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Peptide Encyclopedia
Structured research briefs on every peptide we source — mechanism, chemistry, citations, and live product availability for Canadian researchers.
- bpc-157BPC-157 — Canada Research Brief
BPC-157 is a 15-amino-acid synthetic peptide derived from a protein in human gastric juice, studied in preclinical research for tissue repair via the VEGFR2 / angiogenesis pathway.
- cjc-1295CJC-1295 — Canada Research Brief
CJC-1295 is a synthetic long-acting GHRH analogue with an optional albumin-binding (DAC) moiety that extends its half-life to 6–8 days, studied preclinically for growth hormone release.
- dsipDSIP — Canada Research Brief
DSIP (Delta Sleep-Inducing Peptide) is a naturally occurring nine-amino-acid neuromodulator first isolated from sleeping-rabbit cerebral venous blood in 1977, studied preclinically for sleep and stress responses.
- epithalonEpithalon — Canada Research Brief
Epithalon is a synthetic tetrapeptide developed in Russia as a short analogue of the pineal peptide epithalamin, studied preclinically for telomerase activity, circadian rhythm, and age-related endpoints.
- ghk-cuGHK-Cu (Copper Peptide) — Canada Research Brief
GHK-Cu is a naturally occurring copper complex of the tripeptide glycyl-L-histidyl-L-lysine, first isolated from human plasma in 1973 and studied for roles in wound healing and copper transport.
- ghrp-2GHRP-2 — Canada Research Brief
GHRP-2 (pralmorelin) is a synthetic hexapeptide ghrelin receptor agonist used clinically in Japan as a diagnostic agent for growth hormone deficiency and studied in research as a GH secretagogue.
- ghrp-6GHRP-6 — Canada Research Brief
GHRP-6 is an early-generation synthetic hexapeptide ghrelin receptor agonist that stimulates growth hormone release and, uniquely for this class, also produces a marked increase in appetite via hypothalamic ghrelin circuits.
- ipamorelinIpamorelin — Canada Research Brief
Ipamorelin is a selective pentapeptide growth hormone secretagogue that stimulates GH release from the pituitary without significantly raising prolactin, ACTH, or cortisol.
- melanotan-2Melanotan-2 — Canada Research Brief
Melanotan-2 is a synthetic cyclic heptapeptide analogue of α-MSH that activates melanocortin receptors (MC1R/MC3R/MC4R), studied preclinically for pigmentation and, via MC4R, for sexual-function endpoints.
- mots-cMOTS-c — Canada Research Brief
MOTS-c is a 16-amino-acid mitochondrial-derived peptide encoded within the 12S rRNA gene, studied preclinically for AMPK signalling, glucose homeostasis, and metabolic adaptation to exercise.
- pt-141PT-141 — Canada Research Brief
PT-141 (bremelanotide) is an MC4R-preferring melanocortin agonist — the free-acid analogue of melanotan-2 — studied clinically for sexual-function endpoints and approved in the US as Vyleesi for HSDD.
- retatrutideRetatrutide (LY-3437943) — Canada Research Brief
Retatrutide is an investigational triple-agonist peptide that simultaneously activates the GLP-1, GIP, and glucagon receptors, developed by Eli Lilly for obesity and type 2 diabetes.
- semaglutideSemaglutide — Canada Research Brief
Semaglutide is a long-acting GLP-1 receptor agonist approved by Health Canada for type 2 diabetes (Ozempic, Rybelsus) and chronic weight management (Wegovy).
- sermorelinSermorelin — Canada Research Brief
Sermorelin is GRF(1-29)-NH₂, the N-terminal 29-residue fragment of endogenous human GHRH and a pituitary GH secretagogue acting via the GHRH receptor.
- tb-500TB-500 — Canada Research Brief
TB-500 is a synthetic acetylated heptapeptide corresponding to the active fragment (residues 17–23) of thymosin β4, studied preclinically for actin binding, angiogenesis, and wound repair.
- tesamorelinTesamorelin — Canada Research Brief
Tesamorelin is a synthetic GHRH analogue that stimulates endogenous growth hormone release, approved for HIV-associated lipodystrophy and studied in research settings for visceral adiposity and cognition.
- thymosin-beta-4Thymosin β4 — Canada Research Brief
Thymosin β4 (Tβ4) is a naturally occurring 43-amino-acid actin-sequestering peptide, the full-length parent of the TB-500 research fragment, studied clinically for wound healing, dry-eye disease, and cardiac repair.
- tirzepatideTirzepatide — Canada Research Brief
Tirzepatide is a dual GLP-1 / GIP receptor co-agonist approved by Health Canada as Mounjaro for type 2 diabetes and under the SURMOUNT programme for obesity.