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 […]
Research & Education
What Is Melanotan I (Melanotan-1 / Afamelanotide)?
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: […]
What Is the Wolverine Blend (BPC-157 / TB-500)?
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 […]
What Is Sermorelin? A Research Overview
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 […]
What Is Oxytocin? A Research Overview
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 […]
BPC-157 vs TB-500: What Is the Difference? (Research Overview)
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 […]
CJC-1295 vs Ipamorelin: What Is the Difference? (Research Overview)
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 […]
Semaglutide vs Tirzepatide: What Is the Difference? (Research Overview)
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 […]
Bacteriostatic Water: Composition and 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
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 […]
