Peptides

Melanotan II is a synthetic analogue of alpha-melanocyte-stimulating hormone (α-MSH), studied for its role in melanogenesis — the process by which melanocytes produce melanin. This research guide covers its mechanism, primary investigative areas, and laboratory handling for researchers in Canada. What is Melanotan II? Melanotan II is a cyclic synthetic heptapeptide analogue of α-MSH. It…

Semax (Met-Glu-His-Phe-Pro-Gly-Pro) is a synthetic heptapeptide modeled after a fragment of Adrenocorticotropic Hormone (ACTH), engineered to be devoid of systemic hormonal activity and focus instead on neurological signaling. It is primarily researched for its nootropic (cognitive) and neuroprotective properties. Mechanism: neurological signaling BDNF upregulation: its most-studied feature — increases Brain-Derived Neurotrophic Factor and its TrkB…

Tesamorelin (brand name Egrifta) is a synthetic 44-amino-acid analogue of Growth Hormone-Releasing Hormone (GHRH), engineered to resist enzymatic degradation for a more sustained effect. In research it is distinguished by its specific impact on visceral adipose tissue (VAT) — the deep fat around internal organs — making it a primary subject for metabolic-syndrome and lipodystrophy…

Among Growth Hormone Secretagogues (GHS), Ipamorelin is widely regarded as the most refined pentapeptide. As a ghrelin-receptor agonist, it signals the pituitary to release growth hormone (GH). What sets it apart in research is its selectivity — a cleaner profile than earlier GHRPs (GHRP-2/6), making it a standard for studying pulsatile GH secretion without confounding…

Among growth-hormone (GH) secretagogues, CJC-1295 is one of the most significant synthetic analogues of Growth Hormone-Releasing Hormone (GHRH). It stimulates the pituitary gland, making it a primary subject for research into metabolic regulation, muscle-tissue preservation, and endocrine signaling. The two variants: DAC vs No-DAC CJC-1295 with DAC The DAC (Drug Affinity Complex) version binds albumin…

While BPC-157 is often noted for structural protection, TB-500 (a synthetic version of the naturally occurring peptide Thymosin Beta-4) is the “engine” of cellular movement. Found in high concentrations in blood platelets and white blood cells, this 43-amino-acid peptide is a major subject in regenerative research — in Canada, primarily for studies of systemic recovery,…

GHK-Cu (glycyl-L-histidyl-L-lysine copper) is a naturally occurring copper complex and a focal point of modern regenerative research. Originally isolated from human plasma, this tripeptide is a native signaling molecule whose concentration naturally declines with age. In the Canadian research community it is studied for its ability to modulate cellular pathways and gene expression — not…

Retatrutide represents a significant milestone in metabolic research. Unlike earlier incretin-based molecules that target one or two receptors, retatrutide is a “triple agonist,” engineered to simultaneously activate receptors for GIP (glucose-dependent insulinotropic polypeptide), GLP-1 (glucagon-like peptide-1), and glucagon. As of 2026, retatrutide remains an investigational molecule, evaluated in Phase 3 clinical programs (e.g. TRIUMPH, TRANSCEND-T2D)….

BPC-157 (Body Protection Compound-157) is a synthetic peptide fragment derived from a protective protein found in gastric juice. It has drawn significant attention in the research community for its studied roles in tissue repair and cytoprotection. This guide reviews what BPC-157 is, the mechanisms researchers study, and the state of the evidence. All information is…