Peptide Directory
Everything I keep tabs on. Search by name or alias, filter by category and clinical phase.
Category
Clinical phase
32 compounds
Weight Loss
AOD9604
Research compoundA GH fragment marketed for fat loss. The trials didn't deliver.
Recovery
ARA-290
Phase 2EPO-derived peptide for nerve pain and tissue protection, minus the blood-thickening.
Cosmetic
Argireline
Research compoundTopical 'Botox in a cream'. Softens expression lines, mildly.
Recovery
BPC-157
Research compoundThe recovery peptide everyone in the gym talks about. Loads of rat data, almost no human data.
Weight Loss
Cagrilintide
Phase 3Long-acting amylin analog, usually run alongside semaglutide as CagriSema.
Growth Hormone
CJC-1295
Research compoundLong-acting GHRH analog. The usual partner for ipamorelin.
Cognitive
Dihexa
PreclinicalAngiotensin-IV-derived peptide that builds synapses, in rodents. Strong claims, early days.
Longevity
Epitalon
Research compoundRussian longevity tetrapeptide. Big claims about telomerase, a small evidence base.
Cosmetic
GHK-Cu
Research compoundCopper peptide. A skincare staple for collagen and repair, and the one cosmetic peptide that actually earns its reputation.
Growth Hormone
GHRP-2
Research compoundLike GHRP-6 but cleaner: strong GH release without the ravenous hunger.
Growth Hormone
GHRP-6
Research compoundOld-school GH releaser. Famous for making you absolutely starving.
Growth Hormone
Hexarelin
Research compoundOne of the strongest GH releasers, with some interesting heart effects on the side.
Longevity
Humanin
PreclinicalMitochondrial peptide studied for cell protection and metabolic health. Longevity research, not a product.
Growth Hormone
Ipamorelin
Research compoundThe clean GH secretagogue. Bumps growth hormone without spiking cortisol or prolactin.
Recovery
KPV
Research compoundTiny anti-inflammatory tripeptide off the back of alpha-MSH. Run mostly for gut issues.
Weight Loss
Liraglutide
ApprovedThe original once-daily GLP-1. Semaglutide's older, shorter-acting predecessor.
Immune
LL-37
PreclinicalYour body's own antibiotic. A broad antimicrobial and immune-signalling peptide.
Cosmetic
Matrixyl
Research compoundTopical collagen-booster. One of the better-evidenced cosmetic peptides.
Cosmetic
Melanotan II
Research compoundThe tanning peptide. Also kills appetite and cranks libido, for better or worse.
Longevity
MOTS-c
PreclinicalMitochondrial peptide that acts like an exercise mimetic, at least in mice. A longevity-crowd favourite.
Sexual Health
PT-141
ApprovedApproved libido peptide. Works on the brain, not the plumbing.
Weight Loss
Retatrutide
Phase 3Triple agonist (GLP-1, GIP, glucagon) in phase 3 for obesity. The one everyone's watching.
Cognitive
Selank
Research compoundSemax's calmer sibling. An anti-anxiety nootropic, approved in Russia.
Weight Loss
Semaglutide
ApprovedApproved GLP-1 agonist. The drug that kicked off the whole weight-loss gold rush.
Cognitive
Semax
Research compoundRussian nootropic peptide for focus and brain recovery. Approved over there, research chemical everywhere else.
Growth Hormone
Sermorelin
Research compoundGHRH analog that nudges your own pituitary to make GH. The gentle option.
Longevity
SS-31
Phase 3Mitochondria-targeting peptide in phase 3 for rare mitochondrial disease.
Weight Loss
Survodutide
Phase 3Dual GLP-1/glucagon agonist in phase 3 for obesity and fatty liver.
Recovery
TB-500
Research compoundSynthetic piece of Thymosin Beta-4, run for recovery. Same story as BPC: good anecdotes, thin human data.
Growth Hormone
Tesamorelin
ApprovedApproved GHRH analog, specifically for shifting visceral belly fat.
Immune
Thymosin Alpha-1
ApprovedThymic immune-modulating peptide. Approved across much of the world, just not the US.
Weight Loss
Tirzepatide
ApprovedApproved dual agonist (GLP-1 and GIP). Currently the strongest thing you can get with a prescription.