A growing reference library of peptides used in the research community. Each entry has a plain-language summary, quick facts, research-reported effects, and links to studies. Informational only — not medical advice. 21+.
Adipotide
Metabolic / fat-loss (experimental)
AOD-9604
Growth hormone C-terminal fragment (investigational anti-obesity peptide)
ARA-290
Tissue-protective / anti-inflammatory peptide
BPC-157
Healing / recovery
Cagrilintide
Amylin analog (dual amylin & calcitonin receptor agonist)
Cerebrolysin
Neurotrophic peptide preparation (porcine brain-derived)
CJC-1295 (with DAC)
GH secretagogue / GHRH analog
Dihexa
Cognitive / neurotrophic (research)
DSIP (Delta Sleep-Inducing Peptide)
Neuropeptide (nonapeptide)
Epitalon
Synthetic peptide (bioregulator / research peptide)
Follistatin-344
Myostatin inhibitor / activin-binding protein
GHK-Cu
Healing / skin & connective tissue / copper tripeptide
GHRP-2 (Pralmorelin)
Growth hormone secretagogue / GHRP (ghrelin receptor agonist)
GHRP-6
Growth hormone secretagogue (ghrelin receptor agonist)
GLOW (GHK-Cu + BPC-157 + TB-500 blend)
Peptide blend (combination of individual compounds)
Gonadorelin
GnRH / hypothalamic releasing peptide
Hexarelin
Growth hormone secretagogue (GHRP) / ghrelin-receptor agonist
HGH Fragment 176-191
Growth hormone fragment
Humanin
Mitochondrial-derived peptide (cytoprotective)
IGF-1 DES
IGF / growth-factor analogue
IGF-1 LR3
Growth factor analog (IGF family)
Ipamorelin
GH secretagogue
Kisspeptin-10
Reproductive / HPG-axis peptide (kisspeptin)
KLOW (GHK-Cu + KPV + BPC-157 + TB-500 blend)
Peptide blend (combination of individual compounds)
KPV
Tripeptide (α-MSH C-terminal fragment)
LL-37
Host-defense / antimicrobial peptide
Melanotan I
Melanocortin / MC1R agonist (alpha-MSH analog)
Melanotan II
Melanocortin receptor agonist (alpha-MSH analog)
MGF
Growth factor / IGF-1 splice variant
MK-677 (Ibutamoren)
Growth hormone secretagogue (ghrelin receptor agonist)
MOTS-c
Mitochondrial-derived peptide (16 amino acids)
Oxytocin
Neurohypophysial hormone / cyclic nonapeptide
PT-141
Melanocortin receptor (MC4) agonist
Retatrutide
Metabolic / incretin (GIP/GLP-1/glucagon triple agonist)
Selank
Anxiolytic / nootropic heptapeptide (Tuftsin analog)
Semaglutide
Metabolic / GLP-1 receptor agonist
Semax
Synthetic ACTH(4–10) analog (heptapeptide)
Sermorelin
Growth hormone secretagogue / GHRH analog
SS-31 (Elamipretide)
Mitochondria-targeting (cardiolipin-binding) aromatic-cationic peptide
TB-500 (Thymosin β4)
Healing & recovery / actin-binding peptide
Tesamorelin
Growth hormone secretagogue / GHRH (GRF) analog
Thymalin
Immune / thymic peptide (research)
Thymosin Alpha-1 (Thymalfasin)
Immunomodulatory peptide (thymic peptide)
Tirzepatide
Metabolic — dual incretin (GIP/GLP-1) agonist
Wolverine (BPC-157 + TB-500 blend)
Peptide blend (combination of individual compounds)