Peptide library
What each one is, what the research covers, and how strong the evidence is, in plain language.
32 peptides
Semaglutide
GLP-1 receptor agonist
Weight loss · Metabolic health
Approved medicineTirzepatide
Dual GIP and GLP-1 receptor agonist
Weight loss · Metabolic health
Some human studiesRetatrutide
GLP-1, GIP and glucagon receptor agonist
Weight loss · Metabolic health
Some human studiesCagrilintide
Long-acting amylin analogue
Weight loss
Mostly lab & animal studiesBPC-157
Synthetic 15-amino-acid peptide
Recovery · Gut & inflammation
Mostly lab & animal studiesTB-500
Synthetic peptide fragment
Recovery
Mostly lab & animal studiesKPV
Tripeptide from alpha-MSH
Gut & inflammation
Little direct researchKLOW blend
Four-peptide blend
Recovery · Skin & hair · Gut & inflammation
Approved medicineTesamorelin
Growth hormone-releasing hormone (GHRH) analogue
Weight loss · Metabolic health
Some human studiesSermorelin
GHRH analogue
Muscle · Sleep · Longevity
Some human studiesCJC-1295
Long-acting GHRH analogue
Muscle · Recovery
Little direct researchMod GRF 1-29
Short-acting GHRH analogue
Muscle · Recovery
Some human studiesIpamorelin
Growth hormone secretagogue (ghrelin receptor agonist)
Muscle · Recovery · Sleep
Little direct researchCJC-1295 + Ipamorelin blend
Two-peptide blend
Muscle · Recovery · Sleep
Mostly lab & animal studiesIGF-1 LR3
Modified insulin-like growth factor 1
Muscle
Approved medicineHGH 191AA
Growth hormone (identical to the body's own)
Muscle · Recovery
Approved medicineHCG
Hormone (LH-like)
Fertility
Some human studiesKisspeptin-10
Neuropeptide (reproductive hormone signal)
Fertility · Libido
Approved medicinePT-141
Melanocortin receptor agonist
Libido
Some human studiesSelank
Synthetic analogue of tuftsin
Focus & mood
Some human studiesSemax
Synthetic fragment of ACTH (4-10)
Focus & mood
Some human studiesDSIP
Neuropeptide
Sleep
Mostly lab & animal studiesEpitalon
Synthetic four-amino-acid peptide
Longevity · Sleep
Mostly lab & animal studiesFOXO4-DRI
Designed "senolytic" peptide
Longevity
Mostly lab & animal studiesMOTS-c
Mitochondria-derived peptide
Metabolic health · Longevity
Approved medicineSS-31
Mitochondria-targeted peptide
Longevity
Some human studiesNAD+
Coenzyme (not a peptide)
Longevity · Metabolic health
Mostly lab & animal studies5-Amino-1MQ
Small-molecule NNMT inhibitor (not a peptide)
Weight loss · Metabolic health
Mostly lab & animal studiesSLU-PP-332
Small-molecule ERR agonist (not a peptide)
Weight loss · Metabolic health
Some human studiesGlutathione
Natural antioxidant tripeptide
Longevity · Skin & hair
Some human studiesGHK-Cu
Natural copper-binding tripeptide
Skin & hair · Recovery
Some human studiesMelanotan II
Synthetic melanocortin analogue
Skin & hair · Libido
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General information only, not medical advice. Draft content pending professional review.