Browse All Peptides
Every peptide graded A through D for evidence strength. Search, filter, and compare — with every claim backed by PubMed citations.
Understanding Evidence Grades
FDA-approved with robust clinical evidence
Supported by human clinical studies
Preclinical (animal/in vitro) evidence only
Very limited or no published evidence
Evidence Level
FDA Status
Category
Showing 25 of 25 peptides
BPC-157
CPreclinicalBPC-157 is a synthetic pentadecapeptide derived from a protective protein found in human gastric juice. Preclinical research suggests it may...
TB-500 (Thymosin Beta-4)
CPreclinicalTB-500 is a synthetic version of the naturally occurring peptide Thymosin Beta-4. It plays a role in cell migration, blood vessel formation,...
GHK-Cu
BHuman StudiesGHK-Cu is a naturally occurring copper complex of the tripeptide glycyl-L-histidyl-L-lysine. Found in human plasma, saliva, and urine, its c...
Ipamorelin
BHuman StudiesIpamorelin is a selective growth hormone secretagogue that stimulates growth hormone release from the pituitary gland without significantly ...
CJC-1295
BHuman StudiesCJC-1295 is a synthetic analog of growth hormone-releasing hormone (GHRH). Available in two forms: with and without Drug Affinity Complex (D...
Sermorelin
AFDA ApprovedSermorelin is the shortest fully functional fragment of GHRH (amino acids 1-29). It was the first GHRH analog approved by the FDA, marketed ...
Tesamorelin
AFDA ApprovedTesamorelin is a synthetic GHRH analog approved by the FDA as Egrifta for reduction of excess abdominal fat in HIV-infected patients with li...
Bremelanotide (PT-141)
AFDA ApprovedBremelanotide is a cyclic heptapeptide melanocortin receptor agonist approved by the FDA as Vyleesi for treatment of hypoactive sexual desir...
Semaglutide
AFDA ApprovedSemaglutide is a GLP-1 receptor agonist approved by the FDA for type 2 diabetes (Ozempic, Rybelsus) and chronic weight management (Wegovy). ...
Tirzepatide
AFDA ApprovedTirzepatide is the first dual GIP and GLP-1 receptor agonist, approved by the FDA for type 2 diabetes (Mounjaro) and chronic weight manageme...
AOD-9604
CPreclinicalAOD-9604 is a modified fragment of human growth hormone (amino acids 176-191) originally developed for obesity treatment. It received GRAS s...
DSIP (Delta Sleep-Inducing Peptide)
DLimited DataDSIP is a neuropeptide originally isolated from rabbit brain during induced sleep. Research suggests it may modulate sleep patterns, stress ...
Epithalon (Epitalon)
CPreclinicalEpithalon is a synthetic tetrapeptide based on the natural peptide epithalamin, produced by the pineal gland. Research by Vladimir Khavinson...
Selank
BHuman StudiesSelank is a synthetic peptide developed at the Institute of Molecular Genetics of the Russian Academy of Sciences. It is approved in Russia ...
Semax
BHuman StudiesSemax is a synthetic peptide derived from the ACTH(4-10) fragment, developed in Russia as a nootropic and neuroprotective agent. It is appro...
GHRP-2
BHuman StudiesGHRP-2 is a synthetic hexapeptide growth hormone secretagogue. It is one of the most potent GHRPs and has been used in clinical research for...
GHRP-6
BHuman StudiesGHRP-6 was one of the first synthetic GH secretagogues developed. It stimulates strong GH release but also significantly increases appetite ...
Hexarelin
BHuman StudiesHexarelin is one of the most potent synthetic GH secretagogues. Research also suggests it has direct cardioprotective effects independent of...
Melanotan II
CPreclinicalMelanotan II is a synthetic cyclic peptide analog of alpha-melanocyte stimulating hormone (alpha-MSH). Originally developed for skin tanning...
LL-37
CPreclinicalLL-37 is the only cathelicidin antimicrobial peptide found in humans. It plays a crucial role in innate immune defense, wound healing, and i...
Thymalin
CPreclinicalThymalin is a synthetic dipeptide (glutamyl-tryptophan) originally derived from calf thymus extract. Developed by Vladimir Khavinson in Russ...
KPV
DLimited DataKPV is a tripeptide derived from the C-terminal sequence of alpha-melanocyte stimulating hormone (alpha-MSH). Research suggests potent anti-...
Liraglutide
AFDA ApprovedLiraglutide is a GLP-1 receptor agonist approved by the FDA for type 2 diabetes (Victoza) and chronic weight management (Saxenda). It was th...
Retatrutide
BHuman StudiesRetatrutide is an investigational triple-hormone receptor agonist developed by Eli Lilly. It simultaneously targets GIP, GLP-1, and glucagon...
Survodutide
BHuman StudiesSurvodutide is a dual GLP-1 and glucagon receptor agonist developed by Boehringer Ingelheim. In Phase 3 trials, it demonstrates significant ...
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No claims of therapeutic efficacy are made for substances that are not FDA-approved for the discussed indications. Research citations reflect published findings and do not imply endorsement.