# Bolt Peptide > Research Amino for Laboratory Use ## Posts - [Reference-Lot Versus Supplied-Lot Documentation](https://boltpeptide.com/reference-lot-versus-supplied-lot-documentation/): Understand reference-lot and supplied-lot documentation, match records to your order and request missing lot information before purchasing. - [How to Compare Peptide COAs: A Laboratory Purchasing Checklist](https://boltpeptide.com/how-to-compare-peptide-coas/): Compare peptide COAs by product, size, lot, methods and reported results. Identify documentation gaps before laboratory purchasing. - [Laboratory Measurement Units: mg, mcg, and IU](https://boltpeptide.com/laboratory-measurement-units-mg-mcg-iu/): A research-focused explanation of mass, concentration, and biological activity units used in analytical documentation. - [Laboratory Volume Units: mL and µL Explained](https://boltpeptide.com/laboratory-volume-units-ml-ul/): A research-only guide to mL and microliter conversion, measurement records, equipment range, and analytical uncertainty. - [What Is P21 (P021) Peptide? CNTF-Derived Neurogenesis Research](https://boltpeptide.com/what-is-p21-peptide/): P21, also written P021, is a small synthetic peptidergic compound derived from a biologically active region of ciliary neurotrophic factor (CNTF), chemically modified for stability and blood–brain-barrier penetration and studied in laboratory models of neurogenesis and neurodegeneration. Its core sequence (Ac–DGGLAG–NH2) is derived from the most active region of CNTF, with an adamantane group added to improve durability and lipophilicity. P21 is a research-only compound. It is not a drug, not a supplement, and not approved for human use. All findings described below come from in-vitro and animal studies only. Quick facts Class: CNTF-derived neurotrophic peptidergic compound (small synthetic peptide) Also […] - [What Is PNC-27? A p53/HDM-2 Membrane-Disrupting Research Peptide](https://boltpeptide.com/what-is-pnc-27/): PNC-27 is a synthetic peptide that fuses a p53–derived HDM-2–binding domain to a membrane-penetrating “leader” sequence. In published laboratory studies, it has been investigated for selectively inducing membrane disruption (necrosis) in cancer cells that express HDM-2 at their plasma membrane, while reportedly sparing normal cells in those same in-vitro models. PNC-27 is an experimental research compound. The information below summarizes preclinical, in-vitro and cell-line findings only. It is provided strictly for research and educational reference. PNC-27 is not a drug, not a treatment, and is not approved for human or veterinary use. Research-use-only (RUO) note: nothing here describes a therapy, a […] - [What Is B7-33? A Single-Chain Relaxin Analog Research Peptide](https://boltpeptide.com/what-is-b7-33/): B7-33 is a synthetic single-chain peptide derived from the hormone H2 relaxin (relaxin-2), designed to retain relaxin’s anti-fibrotic signaling through the RXFP1 receptor while being far simpler and cheaper to synthesize than the native two-chain hormone. In preclinical and in-vitro tissue-fibrosis research, it has been characterized as a “biased” or functionally selective RXFP1 agonist. This article is educational only. B7-33 is a research compound discussed here strictly in the context of laboratory and animal studies — it is for research use only (RUO), is not sold by Bolt Peptide, and is not a drug, supplement, or treatment for any condition. Quick […] - [What Is Modified GRF 1-29? (CJC-1295 Without DAC)](https://boltpeptide.com/what-is-modified-grf-1-29/): Modified GRF 1-29 is a synthetic analog of the first 29 amino acids of growth-hormone-releasing hormone (GHRH 1-29, the same core sequence as sermorelin), carrying four amino-acid substitutions that improve its stability against enzymatic breakdown. It is most commonly marketed under the name “CJC-1295 without DAC,” and in laboratory models it acts as an agonist at the GHRH receptor. Research-use-only (RUO) note: Modified GRF 1-29 is studied as a research chemical. The information below summarizes preclinical, in-vitro, and animal findings on the underlying GHRH-analog chemistry. It is not a description of effects in humans and is not medical guidance. Quick facts […] - [What Is Cerebrolysin? A Neuropeptide Research Overview](https://boltpeptide.com/what-is-cerebrolysin/): Cerebrolysin is a peptide preparation derived from purified porcine (pig) brain proteins, consisting of low-molecular-weight neuropeptides and free amino acids. It is studied in neurological and neurodegeneration research as a proposed neurotrophic agent — a substance investigated for its ability to mimic the activity of the brain’s own nerve-growth signals. This article is educational only. Bolt Peptide does not sell Cerebrolysin, and any research materials referenced are intended strictly for laboratory research use only (RUO) — not for human or veterinary use. Quick facts Class: brain-derived neuropeptide preparation (porcine origin) Research focus: neurotrophic-factor-like activity and neuroprotection research Composition: a heterogeneous mixture […] - [What Are Peptide Bioregulators? (Khavinson Peptides) Research Overview](https://boltpeptide.com/what-are-peptide-bioregulators/): Peptide bioregulators are short peptides — often di-, tri-, or tetrapeptides, or tissue-derived peptide complexes — that have been studied for tissue-specific regulatory effects. They were developed largely by Vladimir Khavinson and colleagues in Russia and have been investigated primarily in gerontology and cell-regulation research. This article is an educational overview for researchers comparing compounds discussed in the peptide literature. Research-use-only (RUO) note: the compounds described here are discussed strictly in the context of laboratory and preclinical research. Nothing below is medical advice, and no human use is described or implied. Bolt Peptide does not sell the bioregulator family described here. […] - [What Is Triptorelin? A GnRH Agonist Peptide Research Guide](https://boltpeptide.com/what-is-triptorelin/): Triptorelin is a synthetic decapeptide agonist of gonadotropin-releasing hormone (GnRH), studied for its biphasic action on the GnRH receptor — an initial stimulation of luteinizing hormone (LH) and follicle-stimulating hormone (FSH) followed, with continuous exposure, by receptor downregulation and suppression of gonadotropins. It is structurally a modified analogue of native GnRH, with a D-tryptophan substitution at position 6 that increases receptor affinity and resistance to enzymatic breakdown. Research-use-only note: Bolt Peptide does not sell triptorelin. This article is an analytical overview for qualified researchers. Any referenced material is intended only for controlled in-vitro laboratory study and not for human or veterinary […] - [What Is ARA-290 (Cibinetide)? An EPO-Derived Research Peptide](https://boltpeptide.com/what-is-ara-290/): ARA-290, also called cibinetide, is an 11–amino-acid peptide derived from the helix-B domain of erythropoietin (EPO) that selectively targets the innate repair receptor (IRR / EPOR–βcR) without the erythropoietic (red-blood-cell–stimulating) effects of EPO. It has been studied in preclinical models and clinical trials as a tissue-protection and small-fiber-neuropathy research candidate. Note: ARA-290 is offered — where available — strictly as a research-use-only (RUO) material. It is not a drug, supplement, or therapy, and nothing here is medical advice. Bolt Peptide does not stock ARA-290. Quick facts Class: EPO-derived helix-B (non-erythropoietic) peptide Target: innate repair receptor (a heterodimer of the EPO receptor […] - [What Is VIP (Vasoactive Intestinal Peptide)? A Research Guide](https://boltpeptide.com/what-is-vip-peptide/): VIP (Vasoactive Intestinal Peptide) is a 28-amino-acid neuropeptide of the secretin/glucagon peptide superfamily that signals through the class B G-protein-coupled receptors VPAC1 and VPAC2. It is studied in neuroendocrine, vascular, and immunomodulation research. This article is educational only. VIP is discussed here strictly as a research compound; it is for research use only (RUO) and is not for human use. Bolt Peptide does not sell VIP. Quick facts Class: 28-amino-acid neuropeptide (secretin/glucagon peptide superfamily) Receptors: VPAC1 and VPAC2 (class B GPCRs) Research focus: neuroendocrine, immunomodulation, and vasodilation research What is VIP? Vasoactive intestinal peptide was first isolated from porcine intestine and […] - [What Is FOXO4-DRI? A Senolytic Research Peptide Explained](https://boltpeptide.com/what-is-foxo4-dri/): FOXO4-DRI is a synthetic D-retro-inverso (DRI) peptide designed to disrupt the FOXO4–p53 protein interaction inside senescent cells, and it is studied as a senolytic research tool in cellular-senescence biology. It is investigated for its ability to selectively trigger programmed cell death in senescent (“aged”) cells while sparing healthy ones in laboratory and animal models. This article is for educational purposes only. FOXO4-DRI is discussed strictly as a subject of preclinical research. It is not a drug, supplement, or therapy, and nothing here describes use in humans. Quick facts Class: D-retro-inverso (DRI) peptide — a senolytic research tool Molecular target: the FOXO4–p53 […] - [What Is Adipotide (FTPP / Prohibitin-TP01)? A Research Overview](https://boltpeptide.com/what-is-adipotide/): Adipotide, also called FTPP or Prohibitin-TP01, is an experimental peptidomimetic studied in animal models for its targeting of adipose-tissue vasculature. Bolt Peptide does not offer Adipotide. It is discussed only as an experimental research compound and not for human use. Quick facts Class: targeted pro-apoptotic peptidomimetic (a homing peptide fused to a pro-apoptotic sequence). Molecular target: prohibitin (and the associated protein annexin A2) on the endothelium of white-adipose-tissue blood vessels. Research focus: adipose-vasculature research — the blood supply that feeds fat depots. Status: experimental; studied in rodents and non-human primates; documented toxicity concerns in those studies. What is Adipotide? Adipotide is […] - [GHRP-2 vs GHRP-6: What Is the Difference? (Research Overview)](https://boltpeptide.com/ghrp-2-vs-ghrp-6/): Both GHRP-2 and GHRP-6 are synthetic growth-hormone-releasing peptides (GHRPs) that act as agonists at the ghrelin receptor (GHS-R1a). The key difference studied in the lab is that GHRP-6 is associated with stronger appetite-stimulating (ghrelin-like) signaling in animal models, while GHRP-2 is often characterized as a more potent growth-hormone (GH) secretagogue relative to its other effects. This article is an educational research overview for context only. On this page Quick comparison What is GHRP-2? What is GHRP-6? Key differences studied in the lab How they relate to other secretagogues Research status and safety Handling FAQ References Research-use-only (RUO) note: GHRP-2 and GHRP-6 […] - [What Is Thymalin? A Thymic Peptide Bioregulator Overview](https://boltpeptide.com/what-is-thymalin/): Thymalin is a thymus-derived peptide preparation studied in immunological and peptide-bioregulator research. This article is an analytical overview of laboratory and published research models. Any referenced material is research-use-only and not for human or veterinary use. Quick facts Class: thymic peptide bioregulator (tissue-derived peptide complex) Source: originally isolated from calf (bovine) thymus tissue Research focus: immune regulation, thymic function, and T-cell/lymphoid-cell differentiation Associated research line: Khavinson and colleagues, St. Petersburg Institute of Bioregulation and Gerontology Status: registered as a medicine in Russia; elsewhere, research materials are RUO and not US-approved What is thymalin? Thymalin is a complex of short peptides originally […] - [What Is LL-37? A Cathelicidin Antimicrobial Peptide Overview](https://boltpeptide.com/what-is-ll-37/): LL-37 is the only human cathelicidin-derived antimicrobial peptide — a 37-amino-acid cationic, amphipathic peptide cleaved from the hCAP18 precursor protein. It is one of the most extensively studied host-defense peptides in laboratory research, where it is investigated for antimicrobial, immunomodulatory, and innate-immunity signaling activity. Research-use-only (RUO) note: LL-37 is referenced here strictly as a subject of preclinical, in-vitro, and animal research. It is not a drug, supplement, or therapy, and nothing below describes effects in humans. Quick facts Class: cathelicidin antimicrobial peptide (host-defense peptide) Length: 37 amino acids; cationic (net charge ~+6), amphipathic α-helix in membrane environments Precursor: hCAP18 (human cationic […] - [What Is MK-677 (Ibutamoren)? A Research Overview](https://boltpeptide.com/what-is-mk-677/): MK-677, also called ibutamoren, is a non-peptide research compound investigated as a growth-hormone secretagogue at the GHS-R1a (ghrelin) receptor. It has been studied in the scientific literature as a long-acting stimulator of the growth-hormone (GH) / insulin-like growth factor-1 (IGF-1) axis. Importantly, MK-677 is a synthetic small molecule — it is not a peptide, which sets it apart from peptide secretagogues such as ipamorelin and sermorelin. For research use only (RUO). This article is educational and summarizes published preclinical and clinical literature. Bolt Peptide does not sell MK-677. Nothing here is medical advice, a human-use protocol, or a claim of benefit […] - [What Is MGF (Mechano Growth Factor) and PEG-MGF?](https://boltpeptide.com/what-is-mgf-peg-mgf/): MGF (Mechano Growth Factor) is a splice variant of insulin-like growth factor 1 — specifically the IGF-1Ec isoform — that is expressed in mechanically loaded or damaged muscle and is studied as a local tissue-repair factor in muscle-research models. PEG-MGF is a pegylated form of the peptide, engineered to improve stability and extend half-life for use in research settings. Research-use-only (RUO) note: this article is educational and describes preclinical, in-vitro, and animal findings only. The peptides discussed are not drugs, are not for human or veterinary use, and nothing here is a health, dosing, or treatment claim. Quick facts Class: IGF-1 […] - [What Is SS-31 (Elamipretide / MTP-131)? A Research Guide](https://boltpeptide.com/what-is-ss-31/): SS-31, also known as elamipretide or MTP-131, is a synthetic mitochondria-targeting tetrapeptide that binds cardiolipin on the inner mitochondrial membrane. It is studied in mitochondrial bioenergetics, oxidative-stress, and cellular-energy research. Any Bolt Peptide reference material is research-use-only and not for human or veterinary use. Quick facts Class: Szeto–Schiller (SS) mitochondria-targeted tetrapeptide Other names: elamipretide, MTP-131 (formerly Bendavia) Sequence studied in the literature: D-Arg-Dmt-Lys-Phe-NH₂ Molecular target: cardiolipin, a phospholipid of the inner mitochondrial membrane Research focus: mitochondrial bioenergetics, electron transport, and reactive oxygen species What is SS-31? SS-31 is a member of the Szeto–Schiller family of small, cell-permeable peptides developed to concentrate […] - [What Is Follistatin? A Myostatin-Pathway Research Overview](https://boltpeptide.com/what-is-follistatin/): Follistatin is a naturally occurring secreted glycoprotein that binds and inhibits several members of the transforming growth factor beta (TGF-β) superfamily — most notably myostatin (GDF-8) and activin — and is studied as a negative regulator of these signaling pathways in muscle and tissue biology. Follistatin-344 (FS-344) is a commonly studied isoform/variant used in preclinical muscle research. This article summarizes published animal and in-vitro findings only. Follistatin is described here strictly as a research material; it is for research use only (RUO) and is not a drug, supplement, or product intended for human use. Quick facts Class: secreted glycoprotein; activin-binding protein […] - [What Is HGH Fragment 176-191? A Research Overview](https://boltpeptide.com/what-is-hgh-fragment-176-191/): HGH Fragment 176-191 is a synthetic peptide corresponding to amino acids 176–191 at the C-terminus of human growth hormone (GH). It is studied in lipid-metabolism research as the region of the GH molecule associated with fat metabolism, and in preclinical models it has been reported to influence lipolysis without the growth-promoting or IGF-1 effects of the full-length GH molecule. This article is educational only. HGH Fragment 176-191 is a research chemical for research use only (RUO) — not a drug, supplement, or food, not approved by the FDA, and not for human consumption. Quick facts Class: GH C-terminal peptide fragment (amino […] - [What Is Gonadorelin? GnRH Decapeptide & the HPG Axis](https://boltpeptide.com/what-is-gonadorelin/): Gonadorelin is a synthetic form of gonadotropin-releasing hormone (GnRH) — a decapeptide that acts on the GnRH receptor (GnRHR) on anterior-pituitary gonadotroph cells to stimulate the release of luteinizing hormone (LH) and follicle-stimulating hormone (FSH). It is studied in reproductive endocrinology as a tool for probing the hypothalamic–pituitary–gonadal (HPG) axis. This article is educational only. Bolt Peptide does not sell gonadorelin; the discussion below frames it strictly in terms of physiology and laboratory research. Quick facts Class: GnRH decapeptide (synthetic gonadotropin-releasing hormone) Receptor: GnRH receptor (GnRHR), a G-protein-coupled receptor on pituitary gonadotrophs Research focus: HPG-axis signaling and gonadotropin (LH/FSH) regulation What […] - [Laboratory Storage Controls for Research Peptides](https://boltpeptide.com/laboratory-storage-controls-research-peptides/): A research-only framework for label-led storage controls, chain of custody, excursion records, and material release decisions. - [What Are Research Peptides? A Beginner’s Guide](https://boltpeptide.com/what-are-research-peptides/): Research peptides are short chains of amino acids (typically ~2–50 residues) supplied as laboratory reference materials for in-vitro and preclinical study. The phrase “research use only” (RUO) means these materials are not drugs, dietary supplements, or products intended for human or veterinary use — they exist solely to support controlled laboratory investigation. Everything below is provided for educational purposes only. All peptides referenced are research-use-only (RUO) materials. Nothing here describes, recommends, or implies human, clinical, or veterinary use. What is a peptide? A peptide is a molecule made of two or more amino acids joined by peptide bonds — the same […] - [What Is Kisspeptin? KISS1, KISS1R/GPR54 & the HPG Axis](https://boltpeptide.com/what-is-kisspeptin/): Kisspeptin is a neuropeptide encoded by the KISS1 gene that acts on the KISS1R (GPR54) receptor and is a key upstream regulator of gonadotropin-releasing hormone (GnRH) release within the reproductive (hypothalamic–pituitary–gonadal, or HPG) axis. Kisspeptin-10 is a commonly studied active 10–amino-acid C-terminal fragment of the parent peptide. This article is educational only. Kisspeptin and kisspeptin-10 are discussed strictly in the context of laboratory and physiological research. Any reference material is intended only for controlled in-vitro and non-human research by qualified professionals. Quick facts Class: neuropeptide (RFamide-related peptide family) Gene: KISS1 Receptor: KISS1R (formerly GPR54) Research focus: reproductive neuroendocrinology — the HPG […] - [What Is L-Carnitine? Biochemistry, ALCAR & Research](https://boltpeptide.com/what-is-l-carnitine/): L-carnitine is a naturally occurring amino-acid derivative (synthesized in the body from lysine and methionine) that plays a central role in transporting long-chain fatty acids across the inner mitochondrial membrane for β-oxidation, the process by which fatty acids are broken down for energy. It is one of the most widely studied compounds in cellular metabolism research. This article is educational and intended for those researching the biochemistry of L-carnitine and its acetylated research form, acetyl-L-carnitine (ALCAR). It does not describe outcomes in humans. Materials sold for laboratory work are research-use-only (RUO). Quick facts Class: amino-acid derivative / quaternary ammonium compound Biological […] - [What Is the CJC-1295 / Ipamorelin Combo? Research Overview](https://boltpeptide.com/what-is-cjc-1295-ipamorelin-combo/): The CJC-1295 / Ipamorelin combo is a single research preparation that pairs CJC-1295 — a growth-hormone-releasing hormone (GHRH) analog that acts on the GHRH receptor (GHRH-R) — with Ipamorelin, a selective ghrelin/growth-hormone-secretagogue (GHS-R) receptor agonist. The two are blended together because, in preclinical and laboratory research, they engage two distinct and complementary nodes of the growth-hormone (GH) axis rather than the same one. Research-use-only (RUO) note: this article describes laboratory and animal research findings. The combination is intended for in-vitro and non-human research only. It is not a drug, is not FDA-approved, and is not for human use. What is in […] - [What Is HCG? Human Chorionic Gonadotropin Explained](https://boltpeptide.com/what-is-hcg/): HCG (human chorionic gonadotropin) is a glycoprotein hormone composed of an α subunit and a β subunit. It is produced by placental trophoblast cells during pregnancy and is widely studied in reproductive endocrinology research, where it acts on the luteinizing hormone/chorionic gonadotropin receptor (LHCGR). This article is strictly educational and describes physiology and laboratory research only. Bolt Peptide does not sell HCG; nothing here is intended for human use, and any research material would be for research use only (RUO). Quick facts Class: glycoprotein hormone (gonadotropin family) Subunits: an α subunit (shared with LH, FSH, and TSH) and a hormone-specific β […] - [Retatrutide vs Semaglutide vs Tirzepatide: How the Incretin Research Peptides Differ](https://boltpeptide.com/retatrutide-vs-semaglutide-vs-tirzepatide/): The defining difference between these three incretin research peptides is how many hormone receptors each one targets. Semaglutide is a single agonist that activates only the GLP-1 receptor. Tirzepatide is a dual agonist that activates both the GIP and GLP-1 receptors. Retatrutide is a triple agonist that activates the GIP, GLP-1, and glucagon receptors. That stepwise increase in receptor coverage — one, then two, then three targets — is the cleanest way to understand how the molecules relate to one another in the published literature. Research-use-only note: this article compares receptor pharmacology and published experimental models. Bolt Peptide materials are supplied […] - [Semax vs Selank: What Is the Difference? (Research Overview)](https://boltpeptide.com/semax-vs-selank/): Semax and Selank are both synthetic peptides developed in Russia and widely studied in central nervous system (CNS) and neuropeptide research, but they derive from different parent molecules. In published preclinical literature, Semax is a fragment-derived analog of the adrenocorticotropic hormone sequence ACTH(4–10), while Selank is a synthetic analog of the immunomodulatory peptide tuftsin. Because of these distinct origins, the two are typically associated with different research focuses — Semax with neurotrophic and neuroprotective pathways, and Selank with anxiolytic and immunomodulatory pathways in animal and in-vitro models. Research-use-only (RUO) note: both Semax and Selank are offered strictly for laboratory and research […] - [Melanotan 1 vs Melanotan 2: What Is the Difference? (Research Overview)](https://boltpeptide.com/melanotan-1-vs-melanotan-2/): Melanotan 1 and Melanotan 2 are both synthetic analogs of the natural hormone α-melanocyte–stimulating hormone (α-MSH) studied in melanocortin and pigmentation research, but they differ most importantly in receptor selectivity. Melanotan I (afamelanotide) is a more selective, α-MSH–oriented analog whose activity is directed largely at the melanocortin-1 receptor (MC1R). Melanotan II is a broader, non-selective melanocortin-receptor agonist active across multiple melanocortin receptor subtypes (MC1R, MC3R, MC4R and MC5R). This article is an educational research overview only. Both compounds are sold by Bolt Peptide strictly as research-use-only (RUO) materials. The information below summarizes preclinical and laboratory research and is not a description […] - [What Is Melanotan I (Melanotan-1 / Afamelanotide)?](https://boltpeptide.com/what-is-melanotan-1/): Melanotan I is a synthetic analog of alpha-melanocyte-stimulating hormone (α-MSH), studied in laboratory melanocortin-receptor and pigmentation models. Bolt Peptide material is supplied strictly for controlled in-vitro laboratory research by qualified professionals. It is not a finished pharmaceutical product and is not for human use. Quick facts Class: synthetic α-MSH analog / melanocortin-receptor agonist Research focus: melanocortin-receptor signaling and pigmentation research Primary target studied: the melanocortin-1 receptor (MC1R) Regulatory status: research materials are RUO; the related analog afamelanotide has an approved medical use for EPP Not for human use: for in-vitro and laboratory research only What is Melanotan I? Melanotan I refers […] - [What Is the Wolverine Blend (BPC-157 / TB-500)?](https://boltpeptide.com/what-is-wolverine-blend/): The Wolverine Blend is a combined research preparation of two peptides — BPC-157 and TB-500 — supplied together in a single vial. The two compounds are frequently studied alongside one another in laboratory and animal tissue-repair research because each is associated with distinct, complementary mechanisms: BPC-157 is investigated for angiogenic and cytoprotective activity, while TB-500 (a fragment of thymosin β-4) is studied for its actin-regulating and cell-migration roles. The name is an informal market label, not an official designation. Research-use-only (RUO) note: the information below summarizes preclinical (in-vitro and animal) findings only. Nothing here describes effects in humans, and no product […] - [What Is Sermorelin? A Research Overview](https://boltpeptide.com/what-is-sermorelin/): Sermorelin is a synthetic 29-amino-acid peptide analog of growth-hormone-releasing hormone (GHRH 1–29), studied in preclinical and clinical research as a growth-hormone-releasing factor that acts on the pituitary GHRH receptor. It corresponds to the first 29 amino acids of native human GHRH — the shortest fragment retaining the full biological activity of the parent hormone. This article is educational and intended for research audiences only; sermorelin research materials are sold strictly for research use only (RUO) and are not for human or veterinary use. Quick facts Class: GHRH(1–29) analog (growth-hormone-releasing factor) Structure: synthetic 29-amino-acid peptide; the N-terminal fragment of human GHRH Research […] - [What Is Oxytocin? A Research Overview](https://boltpeptide.com/what-is-oxytocin/): Oxytocin is a nine-amino-acid neuropeptide hormone produced in the hypothalamus and released from the posterior pituitary gland. It is studied in social-behavior, reproductive, and neuroendocrine research through the oxytocin receptor. This article is an analytical overview for laboratory and scientific audiences. It does not provide a protocol or make use or outcome claims. Quick facts Class: nonapeptide hormone / neuropeptide Origin: synthesized in the hypothalamus (paraventricular & supraoptic nuclei) Receptor: oxytocin receptor (OXTR), a Gαq-coupled GPCR Research focus: neuroendocrine & social-behavior research; reproductive physiology What is oxytocin? Oxytocin is an oligopeptide hormone of nine amino acid residues, which is why it […] - [CJC-1295 vs Ipamorelin: What Is the Difference? (Research Overview)](https://boltpeptide.com/cjc-1295-vs-ipamorelin/): The short answer: both CJC-1295 and Ipamorelin act on the growth-hormone (GH) axis, but through entirely different receptors — which is exactly why researchers study them together. CJC-1295 is a long-acting growth-hormone-releasing hormone (GHRH) analog that binds the GHRH receptor, while Ipamorelin is a growth-hormone secretagogue (a ghrelin/GHS-receptor agonist) that binds a separate receptor. Because they engage two distinct, complementary pathways on the same axis, the CJC-1295/Ipamorelin pairing is one of the most commonly co-studied peptide combinations in preclinical literature. Research-use-only (RUO) note: both peptides are sold strictly for laboratory and in-vitro research. Nothing below is a human, clinical, anti-aging, muscle, […] - [BPC-157 vs TB-500: What Is the Difference? (Research Overview)](https://boltpeptide.com/bpc-157-vs-tb-500/): Both BPC-157 and TB-500 are research peptides studied in tissue-repair and cell-migration models, but they are chemically and mechanistically distinct. BPC-157 is a synthetic pentadecapeptide (15 amino acids) based on a partial sequence of a protein identified in gastric juice, whereas TB-500 is a synthetic peptide fragment that copies the actin-binding region of the protein thymosin β-4. The two are frequently studied side by side in preclinical literature and are combined in research blends such as Wolverine, GLOW, and KLOW. This article is an educational overview for research audiences only. Both peptides are sold strictly for research use only (RUO) — […] - [Semaglutide vs Tirzepatide: What Is the Difference? (Research Overview)](https://boltpeptide.com/semaglutide-vs-tirzepatide/): The core difference is mechanism: semaglutide is a single GLP-1 receptor agonist, while tirzepatide is a dual agonist that activates both GIP and GLP-1 receptors. This article compares molecular pharmacology and published research models. Bolt Peptide materials are research-use-only references for controlled laboratory study and are not for human or veterinary use. Quick comparison   Semaglutide Tirzepatide Drug class GLP-1 receptor agonist (single incretin) Dual GIP/GLP-1 receptor agonist Receptor targets GLP-1 receptor only GIP receptor & GLP-1 receptor Approved-medicine brands Ozempic, Wegovy, Rybelsus Mounjaro, Zepbound What is semaglutide? Semaglutide is a long-acting peptide analog of the human incretin hormone GLP-1. As […] - [Bacteriostatic Water: Composition and Laboratory Documentation](https://boltpeptide.com/bacteriostatic-water-composition-laboratory-documentation/): A research-focused overview of bacteriostatic water composition, label terminology, documentation, and assay compatibility considerations. - [What Is SNAP-8 (Acetyl Octapeptide-3)? A Research Overview](https://boltpeptide.com/what-is-snap-8/): SNAP-8 (acetyl octapeptide-3) is a synthetic, acetylated octapeptide studied as a cosmetic research peptide for its in-vitro effects on the SNARE complex and neurotransmitter release. It is structurally an extension of acetyl hexapeptide-3 (the parent compound marketed in cosmetics as Argireline) and is patterned after the N-terminal region of the SNAP-25 protein. This article summarizes laboratory and preclinical research only. SNAP-8 is supplied strictly for research use only (RUO) and is not for human use, not a drug, and not a cosmetic for application to the body. Quick facts Identity: acetylated octapeptide (acetyl octapeptide-3; also called acetyl glutamyl heptapeptide-1) Research focus: […] - [What Is 5-Amino-1MQ? A Research Overview](https://boltpeptide.com/what-is-5-amino-1mq/): 5-Amino-1MQ (5-amino-1-methylquinolinium) is a small-molecule inhibitor of nicotinamide N-methyltransferase (NNMT) used as a research compound in preclinical metabolic and NAD+-pathway studies. It is not a peptide — it is a low-molecular-weight synthetic quinolinium compound. 5-Amino-1MQ is sold strictly for research use only (RUO). It is not a drug, not a dietary supplement, and not approved by the FDA for any use in humans. The information below summarizes published in-vitro and animal research. Quick facts Class: small-molecule NNMT (nicotinamide N-methyltransferase) inhibitor; quinolinium scaffold — not a peptide Research focus: metabolic research and NAD+-pathway / one-carbon (SAM) biology in laboratory models Form: lyophilized […] - [What Is Thymosin Alpha-1? A Research Overview](https://boltpeptide.com/what-is-thymosin-alpha-1/): Thymosin alpha-1 (Tα1) is a 28-amino-acid thymic peptide studied in immune-signaling and immune-modulation research. The material discussed here is supplied strictly for controlled in-vitro laboratory research by qualified professionals. It is not a finished pharmaceutical product and is not for human or veterinary use. Quick facts Class: thymic immune-signaling peptide (28 amino acids) Research focus: immune-modulation research (T-cell and dendritic-cell signaling) Form: lyophilized powder for laboratory research use only Status: research use only — not for human consumption What is Thymosin Alpha-1? Thymosin alpha-1 is a defined 28-amino-acid sequence originally isolated from thymosin fraction 5. Its compact sequence makes it a […] - [What Is DSIP (Delta Sleep-Inducing Peptide)? A Research Overview](https://boltpeptide.com/what-is-dsip/): DSIP (delta sleep-inducing peptide) is a nonapeptide — a nine-amino-acid neuropeptide (Trp–Ala–Gly–Gly–Asp–Ala–Ser–Gly–Glu, molecular weight ≈849) first isolated from rabbit cerebral blood in 1977 and studied as a candidate sleep-regulating and stress-modulating factor in laboratory models. This article summarizes the preclinical literature for educational purposes only. DSIP is sold strictly as a research-use-only (RUO) material. It is not a drug, not a dietary supplement, and not for human or veterinary use. Quick facts Class: nonapeptide neuropeptide Sequence: Trp–Ala–Gly–Gly–Asp–Ala–Ser–Gly–Glu (MW ≈849) Research focus: neuropeptide and sleep-physiology research; neuroendocrine and stress-response models Form: lyophilized powder for laboratory research use only What is DSIP? Delta […] - [What Is Epithalon (Epitalon)? A Research Overview](https://boltpeptide.com/what-is-epithalon/): Epithalon (also spelled Epitalon or AEDG) is a synthetic tetrapeptide — alanine–glutamic acid–aspartic acid–glycine (Ala-Glu-Asp-Gly) — developed as a synthetic analog of the naturally occurring pineal peptide complex epithalamin. It is studied in preclinical telomerase, pineal, and aging research. Epithalon is offered strictly as a research chemical. It is for research use only (RUO), is not a drug or dietary supplement, is not approved by the FDA, and is not for human or veterinary use. Quick facts Class: synthetic tetrapeptide (Ala-Glu-Asp-Gly / AEDG) Synthetic analog of: the pineal peptide complex epithalamin Research focus: telomerase activity, pineal bioregulation, and aging research in […] - [What Is the KLOW Peptide Blend? Research Overview](https://boltpeptide.com/what-is-klow-peptide/): KLOW is a research-peptide blend that combines four separate compounds — GHK-Cu, BPC-157, TB-500, and KPV — in a single lyophilized vial. It is essentially the GLOW blend (GHK-Cu + BPC-157 + TB-500) with KPV added. KLOW is not a single molecule, and there are no published studies on the “KLOW blend” itself; what exists is preclinical research on each component. All Bolt Peptide products are sold strictly for research use only (RUO) and are not for human consumption. Quick facts Type: research peptide blend (multi-component) Components: GHK-Cu, BPC-157, TB-500, and KPV Also known as: GLOW + KPV Form: lyophilized (freeze-dried) […] - [What Is the GLOW Peptide Blend? Research Overview](https://boltpeptide.com/what-is-glow-peptide/): GLOW is a research peptide blend that combines three separate research compounds in one lyophilized vial — GHK-Cu, BPC-157, and TB-500. It is not a single molecule and is not an independently studied drug; it is a blend whose individual components each have their own preclinical literature. GLOW is sold strictly for research use only (RUO). It is not a drug, supplement, or cosmetic, and it is not for human or veterinary use. Quick facts Type: research peptide blend (three components in one vial) Components: GHK-Cu, BPC-157, and TB-500 Form: lyophilized (freeze-dried) powder Documentation: Review any available product- or lot-specific Certificate […] - [What Is KPV? A Research Overview](https://boltpeptide.com/what-is-kpv/): KPV is a synthetic tripeptide composed of lysine, proline, and valine (Lys–Pro–Val), corresponding to the C-terminal fragment of α-melanocyte-stimulating hormone (α-MSH). It is studied in preclinical anti-inflammatory and immune-signaling research. KPV is sold strictly as a research-use-only (RUO) chemical. It is not a drug, not a dietary supplement, and not approved by the FDA for human or veterinary use. The information below summarizes published in-vitro and animal findings. Quick facts Class: tripeptide (Lys–Pro–Val); C-terminal fragment of α-MSH Research focus: anti-inflammatory and immune-signaling research in cell and animal models Form: lyophilized powder for laboratory research use only Status: for laboratory research use […] - [How to Read a Peptide Certificate of Analysis (COA)](https://boltpeptide.com/how-to-read-a-peptide-coa/): A Certificate of Analysis (COA) is a batch-specific lab report that documents a peptide’s measured purity, confirmed identity, and physical characteristics for one production lot — most commonly through HPLC purity testing and mass spectrometry. Reading one means matching each result to its analytical method and checking that the COA corresponds to the lot you received. All products and information here are intended strictly for in-vitro research and laboratory use only (RUO). What is a Certificate of Analysis? A Certificate of Analysis is generated when a specific batch (lot) of material is tested in an analytical laboratory. Rather than describing a […] - [Research Peptide Stability and Shelf-Life Data](https://boltpeptide.com/research-peptide-stability-shelf-life-data/): Why peptide shelf life must be supported by product-specific stability data, traceable records, and approved laboratory protocols. - [Lyophilized Peptides in Laboratory Research](https://boltpeptide.com/lyophilized-peptides-laboratory-research/): An analytical overview of lyophilization, solid-state peptide material, and the evidence required to evaluate identity and purity. - [What Is IGF-1 LR3? A Research Overview](https://boltpeptide.com/what-is-igf-1-lr3/): IGF-1 LR3 (Long R3 Insulin-like Growth Factor-1) is a synthetic, long-acting analog of native IGF-1 used as a reference compound in laboratory growth-factor and IGF-receptor research. It differs from native IGF-1 by an arginine substitution at position 3 (Arg3) and a 13-amino-acid N-terminal extension, modifications that sharply reduce its binding to IGF-binding proteins (IGFBPs) and extend its half-life in experimental systems. IGF-1 LR3 is sold strictly for research use only (RUO). It is not a drug, is not FDA-approved, and is not intended for human or veterinary use. These statements have not been evaluated by the Food and Drug Administration. Quick […] - [What Is AOD-9604? A Research Overview](https://boltpeptide.com/what-is-aod-9604/): AOD-9604 is a synthetic peptide corresponding to the C-terminal fragment of human growth hormone (hGH 176–191), studied in preclinical and in-vitro models for its effects on lipid metabolism and, more recently, cartilage tissue. It is offered strictly for laboratory research use only (RUO). It is not a drug, is not approved by the FDA, and is not intended for human or veterinary use, diagnosis, or treatment. Quick facts Identity: synthetic C-terminal fragment of human growth hormone (hGH 176–191), with a tyrosine residue added at the N-terminus. Research focus: lipid-metabolism research; more recent work explores cartilage and joint-tissue models. Form: lyophilized powder […] - [What Is Melanotan II (MT-2)? A Research Overview](https://boltpeptide.com/what-is-melanotan-2/): Melanotan II (Melanotan 2, MT-2) is a synthetic cyclic peptide and nonselective melanocortin receptor agonist — a structural analog of alpha-melanocyte-stimulating hormone (α-MSH) — studied in preclinical and in-vitro models of the melanocortin signaling system. It is sold strictly as a research-use-only (RUO) chemical. Melanotan II is not FDA-approved, is not a drug or dietary supplement, and is not intended for human or veterinary use. The statements below have not been evaluated by the Food and Drug Administration. Quick facts Class: synthetic cyclic melanocortin receptor agonist (analog of α-MSH) Research focus: melanocortin-system research Form: lyophilized powder for laboratory research use only […] - [What Is PT-141 (Bremelanotide)? A Research Overview](https://boltpeptide.com/what-is-pt-141/): PT-141 (bremelanotide) is a synthetic cyclic heptapeptide classified as a melanocortin receptor agonist and studied in receptor-signaling research. The material described here is supplied strictly for controlled in-vitro laboratory research by qualified professionals. It is not a finished pharmaceutical product and is not for human or veterinary use. Quick facts Class: melanocortin receptor agonist (activity at MC4R and other melanocortin receptor subtypes) Research focus: melanocortin-system signaling research Identity: synthetic cyclic heptapeptide; also known as bremelanotide Form: lyophilized powder for laboratory research use only What is PT-141? PT-141 is the research designation for bremelanotide, a synthetic cyclic heptapeptide derived from the melanocortin […] - [What Is MOTS-c? Research Overview](https://boltpeptide.com/what-is-mots-c/): MOTS-c is a 16-amino-acid mitochondrial-derived peptide (MDP) encoded within the mitochondrial 12S rRNA gene, studied in preclinical and in-vitro research for its role in mitochondrial signaling and metabolic regulation. It is sold strictly for research use only (RUO). The information below summarizes laboratory and animal findings and does not describe effects in humans. This product is not for human use, is not FDA-approved, and these statements have not been evaluated by the FDA. Quick facts Class: mitochondrial-derived peptide (16 amino acids, encoded in mtDNA 12S rRNA) Research focus: metabolic and mitochondrial research (preclinical/in-vitro/animal) Form: lyophilized powder for laboratory research use only […] - [What Is Tesamorelin? A Research Overview](https://boltpeptide.com/what-is-tesamorelin/): Tesamorelin is a synthetic growth hormone–releasing hormone (GHRH) analog studied in clinical and preclinical literature for its interaction with the GH / IGF-1 axis. Bolt Peptide supplies only research-use-only material for controlled in-vitro laboratory investigation by qualified professionals. It is not a finished pharmaceutical product and is not for human use. Quick facts Class: GHRH (growth hormone–releasing hormone) analog Research focus: GH / IGF-1 axis research Structure: modified 44–amino acid human GHRH sequence with an N-terminal hexenoyl modification Form: lyophilized powder for laboratory research use only What is Tesamorelin? Tesamorelin is a stabilized analog of human growth hormone–releasing hormone. Structurally, it […] - [What Is CJC-1295? A Research Overview](https://boltpeptide.com/what-is-cjc-1295/): CJC-1295 is a synthetic analog of growth-hormone-releasing hormone (GHRH) — specifically a modified hGRF(1–29) peptide — studied in laboratory and animal models as a long-acting growth-hormone secretagogue that activates the GHRH receptor on the anterior pituitary. This compound is offered strictly for research use only (RUO). It is not for human use, is not a drug or dietary supplement, and is not approved by the FDA. Quick facts Class: GHRH analog / growth-hormone secretagogue (modified hGRF[1–29]). Variants: studied as “with DAC” (Drug Affinity Complex, an albumin-binding form) and “no DAC” (also called modified GRF[1–29]). Research focus: GH-axis and GHRH-receptor signaling research. […] - [What Is Cagrilintide? A Research Overview](https://boltpeptide.com/what-is-cagrilintide/): Cagrilintide is an investigational long-acting amylin analog used as a reference compound in laboratory metabolic research, where it is often studied alongside the GLP-1 analog semaglutide. Any Bolt Peptide material referenced here is supplied only for controlled in-vitro laboratory research by qualified professionals and is not for human or veterinary use. Quick facts Class: long-acting amylin analog (amylin/calcitonin receptor agonist) Status: investigational — not FDA-approved Research focus: metabolic research Form: lyophilized powder for laboratory research use only What is Cagrilintide? Cagrilintide is a synthetic peptide analog of human amylin, a hormone co-secreted with insulin. Native amylin is chemically unstable and prone […] - [What Is Glutathione? A Research Overview](https://boltpeptide.com/what-is-glutathione/): Glutathione (GSH) is a naturally occurring tripeptide — built from glutamate, cysteine, and glycine — that is widely studied in laboratories as a major intracellular antioxidant and as the central player in cellular redox (reduction–oxidation) balance. On this page it is described strictly as a research material. The information below summarizes preclinical and in-vitro findings only. This product is for research use only (RUO) and is not for human or veterinary use. Quick facts Class: tripeptide antioxidant — glutamate–cysteine–glycine (γ-L-glutamyl-L-cysteinyl-glycine) Also known as: GSH (reduced form); GSSG denotes the oxidized disulfide form Research focus: redox biology and oxidative-stress research Form: lyophilized […] - [What Is Retatrutide? A Research Overview](https://boltpeptide.com/what-is-retatrutide/): Retatrutide is an investigational triple GIP/GLP-1/glucagon receptor agonist — a single peptide engineered to bind three metabolic hormone receptors at once. It is currently in clinical trials and is not approved by the FDA for any use. Material offered here is sold strictly for research use only (RUO) and is not for human or veterinary use. Quick facts Class: triple GIP/GLP-1/glucagon receptor agonist (single-molecule) Status: investigational — under evaluation in clinical trials, not FDA-approved Research focus: metabolic research Identifier: also referenced in the literature as LY3437943 Form: lyophilized powder for laboratory research use only What is Retatrutide? Retatrutide is a synthetic […] - [What Is Semaglutide? A Research Overview](https://boltpeptide.com/what-is-semaglutide/): Semaglutide is a long-acting GLP-1 (glucagon-like peptide-1) receptor agonist that is widely studied in metabolic and incretin research. The material offered here is sold strictly as a research-use-only (RUO) reference compound — it is not for human or veterinary use, not for consumption, and is not an approved medicine in this form. Semaglutide is separately approved as a prescription drug under brand names such as Ozempic, Wegovy, and Rybelsus, but the research peptide described on this page is not that medicine and is not intended for any therapeutic application. Quick facts Class: GLP-1 receptor agonist (incretin mimetic) Research focus: metabolic, incretin, […] - [What Is Tirzepatide? Research Overview](https://boltpeptide.com/what-is-tirzepatide/): Tirzepatide is a synthetic dual GIP (glucose-dependent insulinotropic polypeptide) and GLP-1 (glucagon-like peptide-1) receptor agonist studied in metabolic and incretin research. Bolt Peptide supplies only a research-use-only reference compound for controlled in-vitro laboratory work by qualified professionals. It is not a finished pharmaceutical product and is not for human or veterinary use. Quick facts Class: dual GIP and GLP-1 receptor agonist (incretin-mimetic peptide) Research focus: metabolic, incretin-signaling, and endocrine research Form: lyophilized powder for laboratory research use only Status: research use only — not for human or veterinary use What is Tirzepatide? Tirzepatide (research code LY3298176) is a single-chain synthetic peptide […] - [What Is Selank? A Research Overview](https://boltpeptide.com/what-is-selank/): Selank is a synthetic heptapeptide analogue of the endogenous immunopeptide tuftsin, studied in preclinical and in-vitro models as a candidate anxiolytic and nootropic research compound. It is supplied strictly for laboratory research use only (RUO) and is not approved for human or veterinary use. Quick facts Class: synthetic tuftsin analogue; heptapeptide (Thr–Lys–Pro–Arg–Pro–Gly–Pro) Research focus: anxiolytic, GABAergic, and BDNF-related mechanisms in cell and animal models Form: lyophilized powder for laboratory research use only What is Selank? Selank is a short peptide derived from tuftsin, a naturally occurring fragment of the heavy chain of human immunoglobulin G. To improve metabolic stability in experimental […] - [What Is Semax? A Research Overview](https://boltpeptide.com/what-is-semax/): Semax is a synthetic heptapeptide analogue of the adrenocorticotropic hormone fragment ACTH(4–10), studied in preclinical and in-vitro models as a neuropeptide research compound — most notably for its effects on brain-derived neurotrophic factor (BDNF) signaling and neuroprotection. It is supplied strictly for research use only and is not approved for human or veterinary use. Quick facts Class: synthetic ACTH(4–10) analogue / heptapeptide (Met–Glu–His–Phe–Pro–Gly–Pro) Research focus: neuropeptide, BDNF/NGF modulation, and cognition-related research in animal and cell models Form: lyophilized powder for laboratory research use only What is Semax? Semax is a short synthetic peptide derived from the 4–10 region of adrenocorticotropic hormone […] - [What Is NAD+? Research Overview](https://boltpeptide.com/what-is-nad/): NAD+ (nicotinamide adenine dinucleotide) is a naturally occurring coenzyme that functions as a central electron carrier in cellular metabolism and as a substrate for NAD+-dependent signaling enzymes such as sirtuins and PARPs. It is widely used as a tool in preclinical and in vitro research on cellular energy, redox biology, and aging. Bolt Peptide supplies NAD+ strictly for research use only (RUO) — it is not approved for human or veterinary use and is not an FDA-approved drug. Quick facts Class: coenzyme (pyridine dinucleotide) Research focus: cellular energy metabolism, redox (NAD+/NADH) reactions, sirtuin and mitochondrial research Form: lyophilized powder for laboratory […] - [What Is GHK-Cu? Research Overview](https://boltpeptide.com/what-is-ghk-cu/): GHK-Cu (copper tripeptide-1) is a naturally occurring copper-binding tripeptide — glycyl-L-histidyl-L-lysine complexed with a copper(II) ion — that researchers study for its role in extracellular-matrix remodeling, gene modulation, and tissue-repair signaling in cell and animal models. It is offered strictly as a research-use-only (RUO) reference compound. It is not approved for human or veterinary use and is not intended to diagnose, treat, cure, or prevent any condition. Quick facts Class: copper-binding tripeptide (copper tripeptide-1; glycyl-L-histidyl-L-lysine–Cu) CAS: 89030-95-5 (GHK-Cu complex); the free GHK tripeptide is 49557-75-7 Research focus: wound-healing models, collagen/ECM gene expression, antioxidant and anti-inflammatory signaling Form: lyophilized powder for laboratory […] - [Research Peptide Stability and Storage Documentation](https://boltpeptide.com/research-peptide-stability-storage-documentation/): A documentation-led overview of stability risks, storage records, and material-control practices for qualified laboratory researchers. - [Analytical Solution Concentration Principles](https://boltpeptide.com/analytical-solution-concentration-principles/): A research-only guide to mass concentration, unit conversion, documentation, and protocol-controlled analytical variables. - [What Is Ipamorelin? A Research Overview](https://boltpeptide.com/what-is-ipamorelin/): Ipamorelin is a synthetic pentapeptide characterized in research as a selective growth hormone secretagogue (GHS) and ghrelin-receptor agonist. It is studied in preclinical endocrinology research as a model compound for growth-hormone (GH) release. Supplied strictly for laboratory research use only — not for human or veterinary use. Quick facts Class: synthetic pentapeptide, growth hormone secretagogue CAS: 170851-70-4 Research focus: selective GH release via the ghrelin/GHS receptor Form: lyophilized powder for laboratory research use only What is Ipamorelin? Ipamorelin is one of the most selective growth hormone secretagogues characterized in the literature. In preclinical models it stimulates GH release from the pituitary […] - [What Is TB-500? Research Overview](https://boltpeptide.com/what-is-tb-500/): TB-500 is a synthetic peptide — the actin-binding fragment of thymosin β-4 (Tβ4), a naturally occurring 43-amino-acid protein. In the lab it is studied as a tissue-repair and cell-migration research compound. Supplied strictly for laboratory research use only — not for human or veterinary use. Quick facts Class: synthetic peptide fragment of thymosin β-4 Mechanism focus: G-actin binding / cytoskeletal regulation Form: lyophilized powder for laboratory research use only What is TB-500? TB-500 corresponds to the actin-binding region of thymosin β-4, retained in a shorter, more stable synthetic form. Because Tβ4 is a key regulator of actin — the protein that […] - [What Is BPC-157? Research Overview](https://boltpeptide.com/what-is-bpc-157/): BPC-157 is a synthetic, stable pentadecapeptide — a chain of 15 amino acids derived from a protective protein sequence found in human gastric juice. In laboratory settings it is studied as a tissue-repair and angiogenesis research compound. It is sold strictly for laboratory research use only — not for human or veterinary use. Quick facts Class: synthetic pentadecapeptide (15 amino acids) Also called: Body Protection Compound-157, PL 14736 Origin: partial sequence of gastric “body protection compound” Form: lyophilized powder What is BPC-157? BPC-157 is a stable gastric pentadecapeptide first isolated from a protective fragment of human gastric juice. Because it remains […] ## Pages - [Research Peptides — Save 15% | Bolt Peptide](https://boltpeptide.com/google/): Research peptides. Clear documentation. Save 15% on merchandise with GOOGLE15. For in-vitro laboratory research only. Not for human or veterinary use. - [Track Your Order](https://boltpeptide.com/track-order/) - [Laboratory Blend Composition Calculator](https://boltpeptide.com/laboratory-blend-composition-calculator/) - [Laboratory IU Concentration Calculator](https://boltpeptide.com/laboratory-iu-concentration-calculator/) - [Laboratory Mass Concentration Calculator](https://boltpeptide.com/laboratory-mass-concentration-calculator/) - [Research & Education](https://boltpeptide.com/blog/) - [Accessibility](https://boltpeptide.com/accessibility/): Accessibility Statement Bolt Peptide is committed to ensuring digital accessibility for all users, including people with disabilities. We continually work to improve the experience for everyone and apply the relevant accessibility standards. Measures we take We aim to conform to WCAG 2.1 AA guidelines where practical. Semantic HTML, descriptive alt text, keyboard-operable navigation, visible focus states, and adequate color contrast. An accessibility toolbar is available on every page. Feedback If you encounter any accessibility barrier on this site, please contact us at support@boltpeptide.com and we will work to resolve it promptly. - [Terms & Conditions](https://boltpeptide.com/terms-conditions/): Terms & Conditions Welcome to Bolt Peptide. By accessing or purchasing from this website you agree to the following terms. 1. Research Use Only All products sold by Bolt Peptide are intended strictly for in-vitro laboratory and analytical research purposes only. They are not drugs, foods, cosmetics, or medical devices, and are not intended for human or animal consumption, diagnostic, therapeutic, or household use. 2. Eligibility By purchasing, you certify that you are at least 21 years of age and a qualified researcher or institution familiar with the safe handling of research materials, and that you will comply with all applicable […] - [Bolt Peptide Home](https://boltpeptide.com/): PRODUCT- & LOT-SPECIFIC DOCUMENTATION Research Peptides for Analytical Laboratory Use Research materials supplied for qualified professionals working in controlled laboratory settings. Review available product- or lot-specific documentation for reported methods and results before ordering. Not for human or veterinary use. For In-Vitro Laboratory Research Use Only Available Product- & Lot-Specific Documentation Fast, Tracked U.S. Shipping Best Sellers Product- & Lot-Specific Documentation Review the available Certificate of Analysis for the reported methods and results associated with the specific product or reference lot. Available Independent Reports Available reports identify the laboratory methods and results reported for the applicable product or reference lot. Live […] - [Why Us?](https://boltpeptide.com/why-us/): Why Researchers Choose Bolt Peptide Research materials for qualified laboratory and analytical use, supported by available product-specific documentation, live support chat, and tracked U.S. shipping. Product-Specific Documentation Review the available Certificate of Analysis for the reported methods and results associated with a product or reference lot. Research Use Only Products are supplied solely for qualified in-vitro laboratory and analytical research. Not for human or veterinary use. Fast, Tracked U.S. Shipping Orders placed Monday–Friday typically ship within 24 hours; weekend and holiday orders ship the next business day. Refund & Replacement Policy Damaged shipments and confirmed lost packages may be reviewed for […] - [Wholesale](https://boltpeptide.com/wholesale/): [bolt_wholesale] - [Affiliates](https://boltpeptide.com/affiliates/) - [Cart](https://boltpeptide.com/cart/) - [Research Use Only Policy](https://boltpeptide.com/research-use-only-policy/): Research Use Only Policy - [Refund & Replacement Policy](https://boltpeptide.com/refund-returns/): Policy Refund & Replacement Policy Research-use materials are final sale because chain of custody and material integrity cannot be verified after dispatch. We review documented shipping and fulfillment problems promptly and fairly. Last updated: August 1, 2026 Final Sale & No Restocking Research reagents, analytical materials, and laboratory solutions cannot be returned, exchanged, or restocked after they leave our control. This protects chain of custody and prevents previously shipped material from re-entering inventory. Problems Eligible For Review Contact us if an order arrives damaged, contains the wrong item, is materially incomplete, or is confirmed lost in transit. Approved resolutions may include […] - [Shipping Policy](https://boltpeptide.com/shipping-policy/): Shipping Policy - [My Account](https://boltpeptide.com/my-account/) - [Checkout](https://boltpeptide.com/checkout/) - [Research Peptide Certificates of Analysis](https://boltpeptide.com/lab-reports/): Lot-specific certificates of analysis for Bolt Peptide research materials, where documentation is available. Use this library to match a COA to a listed research reagent. Reports are laboratory documentation only. What a COA may report A COA may include one or more results such as purity, identity, elemental impurities, endotoxin, bioburden or sterility-related testing, or net content. Available documents are product- and lot-specific: the laboratory, analytical methods, and reported results vary by material and lot. Review the individual certificate — a method or result shown for one product or lot does not apply to another. How to find available documentation When […] - [Research](https://boltpeptide.com/research/): Research Notes - [Contact Us](https://boltpeptide.com/contact-us/): Contact Bolt Research LLC Contact our research-support team about orders, product availability, Certificates of Analysis, or account assistance. Email is the best way to reach us, and the secure contact form appears below. Research Support We typically respond by email within one business day, Monday–Friday. support@boltpeptide.com Institutional & Bulk Inquiries Qualified laboratories and research organizations may request volume pricing. Visit our Wholesale page Business Address Bolt Research LLC17199 Old Louetta RdHouston, TX 77070 Please include your order number with order-related requests. - [About](https://boltpeptide.com/about/): About Bolt Peptide - [Research Product FAQ](https://boltpeptide.com/faq/): Research Support Frequently Asked Questions Clear answers about research-use materials, analytical documentation, orders, shipping, and support. Product & Purity What does Research Use Only mean? Products are supplied solely as research reagents or analytical materials for controlled laboratory work by qualified professionals. They are not intended for human or veterinary use, consumption, diagnosis, treatment, prevention, cosmetics, food, or household use. Are Bolt Peptide materials specified at ≥99% purity? Where a purity specification applies, products offered for sale are specified at ≥99% purity. Purity and identity evidence must be evaluated from the product- or lot-specific documentation available for that item; a general […] - [Shop Research Materials](https://boltpeptide.com/shop/) - [Privacy Policy](https://boltpeptide.com/privacy-policy/): Privacy Policy ## Products - [Sermorelin Research Peptide](https://boltpeptide.com/product/sermorelin/): Sermorelin lyophilized research material. Select a vial size to review current pricing and availability. For in-vitro laboratory research only; not for human or veterinary use. - [Bacteriostatic Water (0.9% Benzyl Alcohol)](https://boltpeptide.com/product/amino-h2o-bacteriostatic-water/): Preserved aqueous laboratory material containing 0.9% benzyl alcohol, supplied solely for controlled analytical research use. - [KLOW Research Peptide Blend](https://boltpeptide.com/product/klow-blend-bpc-157-tb-500-ghk-cu-kpv/): KLOW is an 80mg multi-peptide research blend of BPC-157, TB-500, GHK-Cu, and KPV, supplied lyophilized for in-vitro laboratory use. Research reagent only, with lot-specific documentation where available. Not for human or veterinary use. - [GLOW Research Peptide Blend](https://boltpeptide.com/product/glow-blend-bpc-157-tb-500-ghk-cu/): GLOW is a 70mg multi-peptide research blend of TB-500 10mg, BPC-157 10mg, and GHK-Cu 50mg, supplied lyophilized for in-vitro laboratory use. Research reagent only, with lot-specific documentation where available. Not for human or veterinary use. - [AOD-9604 Research Peptide](https://boltpeptide.com/product/aod-9604/): AOD-9604 lyophilized research material. Select a vial size to review current pricing and availability. For in-vitro laboratory research only; not for human or veterinary use. - [MOTS-C Research Peptide](https://boltpeptide.com/product/mots-c/): MOTS-c research peptide in 10mg and 40mg lyophilized vials for in-vitro laboratory use. Research reagent only, with lot-specific documentation where available. Not for human or veterinary use. - [Retatrutide Research Peptide](https://boltpeptide.com/product/retatrutide/): Retatrutide 10mg lyophilized research peptide, triple GLP-1/GIP/GCGR agonist. For in-vitro laboratory research use only. - [Semaglutide Research Peptide](https://boltpeptide.com/product/semaglutide/): Semaglutide 10mg lyophilized research peptide. For in-vitro laboratory research use only. - [CJC-1295 / Ipamorelin Research Blend](https://boltpeptide.com/product/cjc-1295-ipamorelin-combo/): CJC-1295 No DAC / Ipamorelin 10mg lyophilized dual-peptide research blend. For in-vitro laboratory research use only. - [CJC-1295 (No DAC) Research Peptide](https://boltpeptide.com/product/cjc-1295-no-dac/): CJC-1295 No DAC (Mod GRF 1-29) 10mg lyophilized GHRH analogue. For in-vitro laboratory research use only. - [GHK-Cu Research Peptide](https://boltpeptide.com/product/ghk-cu/): GHK-Cu (copper tripeptide-1) research peptide in 50mg and 100mg lyophilized vials for in-vitro laboratory use. Research reagent only, with lot-specific documentation where available. Not for human or veterinary use. - [TB-500 Research Peptide](https://boltpeptide.com/product/tb-500/): TB-500 research peptide in 5mg, 10mg, and 20mg lyophilized vials for in-vitro laboratory use. Research reagent only, with lot-specific documentation where available. Not for human or veterinary use. - [BPC-157 Research Peptide](https://boltpeptide.com/product/bpc-157-body-protection-compound/): BPC-157 research peptide in 5mg and 10mg lyophilized vials for in-vitro laboratory use. Sold as a research reagent only, with lot-specific documentation where available. Not for human or veterinary use. ## Optional - [Agent (MCP protocol)](websites-agents.hostinger.com/boltpeptide.com/mcp) [comment]: # (Generated by Hostinger Tools Plugin)