Educational reference
The peptide library. One page each.
What the molecule is, what it has actually been studied for, and exactly where it sits legally — FDA-approved, compounded by a licensed pharmacy, or research use only. Education, not an offer to sell and not medical advice.
Why are we okay with this? Read our position on peptide access.
FDA 503A peptide status trackerRepair & recovery
BPC-157
Body Protection Compound-157
A synthetic pentadecapeptide sequence studied in preclinical models of tendon, ligament, muscle and gut-lining repair.
Read the one-pagerUnder FDA reviewTB-500
Thymosin Beta-4 fragment
A fragment of thymosin beta-4 studied for cell migration, flexibility and scar remodeling in preclinical injury models.
Read the one-pagerNot approvedGHK-Cu
Copper tripeptide-1
A naturally occurring copper-binding tripeptide studied for collagen synthesis, skin quality and gene-expression effects.
Read the one-pagerUnder FDA reviewKPV
Lysine-Proline-Valine
A short alpha-MSH fragment studied for anti-inflammatory signaling in gut and skin models.
Read the one-pagerNot approvedLL-37
Cathelicidin fragment
A human antimicrobial peptide studied for immune modulation, biofilm disruption and wound repair.
Read the one-pagerNot approvedPentadeca Arginate
PDA
A BPC-related arginate analog studied as a more stable variant in tissue-repair research.
Read the one-pagerGrowth hormone secretagogues
Sermorelin
GHRH (1-29)
A growth-hormone-releasing hormone analog that prompts your own pituitary output rather than replacing it.
Read the one-pagerNot permitted in compoundingIpamorelin
A selective growth-hormone secretagogue studied for GH release without meaningful cortisol or prolactin rise.
Read the one-pagerNot permitted in compoundingCJC-1295
with or without DAC
A GHRH analog with extended half-life, studied to raise baseline growth-hormone and IGF-1 signaling.
Read the one-pagerFDA-approvedTesamorelin
An FDA-approved GHRH analog with the strongest clinical evidence of any peptide for reducing visceral adipose tissue.
Read the one-pagerNot approvedMK-677
Ibutamoren
An orally active, non-peptide ghrelin-receptor agonist studied for sustained GH and IGF-1 elevation.
Read the one-pagerFDA-approvedIGF-1
Insulin-like growth factor 1, somatomedin C
The downstream growth factor that growth-hormone therapy is titrated against, and the single most useful lab marker for anyone on a GH-axis protocol.
Read the one-pagerMetabolic & body composition
Single Regulator (GLP-1) — semaglutide
Semaglutide, listed as Single Regulator (GLP-1) because compounded formulations cannot be marketed under the drug's commercial name. A GLP-1 medication containing an active ingredient also found in FDA-approved products; compounded formulations are not themselves FDA-approved.
Read the one-pagerFDA-approvedDual Regulator (GLP-1/GIP) — tirzepatide
Tirzepatide, listed as Dual Regulator (GLP-1/GIP) because compounded formulations cannot be marketed under the drug's commercial name. A GIP/GLP-1 medication containing an active ingredient also found in FDA-approved products; compounded formulations are not themselves FDA-approved.
Read the one-pagerInvestigationalTriple Regulator (GLP-1/GIP/glucagon)
LY3437943
An investigational triple agonist (GLP-1, GIP and glucagon) in late-stage clinical trials — not approved, not prescribable.
Read the one-pagerNot approvedAOD-9604
A fragment of human growth hormone studied for fat metabolism without the growth-signaling effects of full HGH.
Read the one-pagerUnder FDA reviewMOTS-c
A mitochondrial-derived peptide studied for insulin sensitivity, metabolic flexibility and exercise capacity.
Read the one-pagerNot approved5-Amino-1MQ
A small-molecule NNMT inhibitor studied for fat-cell metabolism and NAD+ availability.
Read the one-pagerSleep, cognition & neuro
DSIP
Delta Sleep-Inducing Peptide
A neuropeptide studied for its effect on slow-wave sleep architecture and stress response.
Read the one-pagerNot approved in the USSelank
A synthetic analog of the immunopeptide tuftsin studied for anxiolytic and stress-response effects.
Read the one-pagerUnder FDA reviewSemax
An ACTH(4-10) analog studied for attention, memory and neuroprotection.
Read the one-pagerNot approvedDihexa
An angiotensin IV analog studied for synapse formation via hepatocyte growth factor signaling.
Read the one-pagerNot approved in the USCerebrolysin
A porcine-brain-derived peptide preparation used clinically in some countries for stroke and dementia.
Read the one-pagerLongevity & immune
Epitalon
Epithalon
A synthetic tetrapeptide studied for pineal-axis, melatonin-rhythm and telomerase-related effects.
Read the one-pagerNot permitted in compoundingThymosin Alpha-1
Tα1, Zadaxin
A thymic peptide used clinically in some countries as an immune modulator; not approved in the United States.
Read the one-pagerInvestigationalSS-31
Elamipretide
A mitochondria-targeted peptide studied for cardiolipin stabilization and cellular energy production.
Read the one-pagerNot approvedHumanin
A mitochondrial-derived peptide studied for cytoprotection, insulin sensitivity and neuroprotection.
Read the one-pagerNot approvedNAD+ / NMN
Cellular-energy cofactors and precursors studied for mitochondrial function and metabolic health — not peptides.
Read the one-pagerHormonal signaling & sexual health
PT-141
Bremelanotide
A melanocortin-receptor agonist FDA-approved as bremelanotide for hypoactive sexual desire disorder in premenopausal women.
Read the one-pagerNot permitted in compoundingKisspeptin-10
An upstream regulator of the reproductive axis studied for GnRH signaling, libido and fertility.
Read the one-pagerFormerly FDA-approvedGonadorelin
GnRH
Synthetic gonadotropin-releasing hormone used to stimulate the pituitary and maintain testicular function during TRT.
Read the one-pagerFDA-approvedOxytocin
A natural hormone involved in labor, lactation, arousal and social bonding, studied off-label for intimacy and mood.
Read the one-pagerPrescription therapies are dispensed only through licensed, FDA-registered compounding pharmacies following a physician evaluation. Compounds labeled research use only are not FDA-approved, are not prescribed as medical care, and are not intended for human or animal consumption. Nothing on this page is medical advice or a guarantee of availability.