Peptides A–Z
The full directory — 73 compounds, alphabetical. Search, filter by category, or jump to a letter.
A
AHK-Cu
AHK-Cu is a copper-binding tripeptide (alanyl-histidyl-lysine, structurally related to GHK-Cu) studied mainly in vitro and in ex vivo human…
LongevityAICAR
AICAR is an AMP-activated protein kinase (AMPK) activator studied in cell and animal models as an 'exercise mimetic' for its effects on glucose and…
Weight LossAOD-9604
AOD-9604 is a synthetic 16-amino-acid fragment of human growth hormone (residues 176-191) that was investigated as an anti-obesity agent for its…
HealingARA-290
ARA-290 (cibinetide) is a small, non-erythropoietic peptide engineered from the tertiary structure of erythropoietin that selectively activates the…
B
BPC-157
BPC-157 is a synthetic pentadecapeptide based on a partial sequence of a human gastric juice protective protein that has shown pro-angiogenic,…
LongevityBronchogen
Bronchogen is a synthetic short peptide marketed as a bronchial/respiratory-tissue "bioregulator" within the Khavinson organotropic-peptide…
C
Cagrilintide
Cagrilintide is an investigational long-acting amylin analog from Novo Nordisk that is not yet FDA-approved as a standalone drug; it is furthest…
LongevityCardiogen
Cardiogen is a synthetic short peptide sold as a cardiac-tissue-targeted "bioregulator" in the Khavinson organotropic-peptide tradition, but no…
HealingCartalax
Cartalax is a Russian-developed synthetic tripeptide bioregulator (reported as Ala-Glu-Asp) marketed for cartilage and joint support, but no…
CognitiveCerebrolysin
Cerebrolysin is not a single peptide but a manufactured mixture of low-molecular-weight peptide fragments and free amino acids derived from…
Growth Hormone (GHRH)CJC-1295
CJC-1295 (without DAC, chemically equivalent to Modified GRF 1-29) is a synthetic analog of the first 29 amino acids of growth hormone-releasing…
Growth Hormone (GHRH)CJC-1295 with DAC
CJC-1295 with DAC is a long-acting growth hormone-releasing hormone (GHRH) analog chemically conjugated to a Drug Affinity Complex (DAC) that binds…
CognitiveCortagen
Cortagen is a synthetic tetrapeptide (Ala-Glu-Asp-Pro) from the Khavinson "short peptide bioregulator" family, designed to mimic the activity of the…
D
Dihexa
Dihexa is an experimental angiotensin IV-derived small peptide research compound originally proposed to enhance synaptogenesis via hepatocyte growth…
CognitiveDSIP
DSIP (delta sleep-inducing peptide) is a nonapeptide first isolated from rabbit brain dialysate in the 1970s that despite its name has shown…
E
Enclomiphene
Enclomiphene is the trans-isomer of clomiphene citrate that is not FDA-approved as a standalone drug in the United States — its branded application…
LongevityEpitalon
Epitalon is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) modeled on the natural pineal extract epithalamin that has shown telomerase-activating and…
F
Follistatin-344
Follistatin-344 is the shorter of the two major human follistatin splice variants — a myostatin- and activin-binding protein studied mainly through…
LongevityFOXO4-DRI
FOXO4-DRI is a synthetic retro-inverso (D-amino-acid) peptide senolytic that disrupts the FOXO4-p53 protein interaction to selectively trigger…
G
GHK-Cu
GHK-Cu is a naturally occurring copper-binding tripeptide (glycyl-L-histidyl-L-lysine) whose tissue levels decline with age, studied extensively in…
Growth Hormone (GHRP)GHRP-2
GHRP-2 (pralmorelin) is a synthetic hexapeptide growth hormone secretagogue that activates the ghrelin receptor to stimulate growth hormone release…
Growth Hormone (GHRP)GHRP-6
GHRP-6 is a synthetic hexapeptide growth hormone secretagogue, among the earliest GHRPs developed, that activates the ghrelin receptor to stimulate…
LongevityGlutathione
Glutathione is an endogenous tripeptide (glutamate-cysteine-glycine) that serves as the body's principal intracellular antioxidant and detoxification…
HormoneGonadorelin
Gonadorelin is a synthetic decapeptide identical to natural GnRH that was FDA-approved decades ago as a diagnostic test of pituitary function…
H
HCG
Human chorionic gonadotropin (hCG) is an FDA-approved hormone (e.g., Novarel, Pregnyl, Ovidrel) indicated for inducing ovulation in anovulatory…
Growth Hormone (GHRP)Hexarelin
Hexarelin is a synthetic hexapeptide growth hormone secretagogue related to GHRP-6 that potently stimulates GH release via the ghrelin receptor and…
LongevityHumanin
Humanin is a short mitochondrial-derived peptide with cytoprotective and anti-apoptotic actions demonstrated mainly in cell culture and animal models…
I
IGF-1 LR3
IGF-1 LR3 is a laboratory-engineered, long-acting analogue of insulin-like growth factor-1 that binds IGF-binding proteins far more weakly than…
Growth Hormone (GHRP)Ipamorelin
Ipamorelin is a synthetic pentapeptide growth hormone secretagogue that selectively activates the ghrelin/growth hormone secretagogue receptor…
K
Kisspeptin
Kisspeptin is a naturally occurring reproductive neuropeptide that is not FDA-approved for any use and remains an investigational research compound…
ImmuneKPV
KPV is a tripeptide (Lys-Pro-Val) corresponding to the C-terminal fragment of alpha-melanocyte-stimulating hormone that has shown anti-inflammatory…
L
L-Carnitine
L-Carnitine is a naturally occurring amino-acid derivative that shuttles long-chain fatty acids into mitochondria for energy production;…
Weight LossLiraglutide
Liraglutide is an FDA-approved, once-daily injectable GLP-1 receptor agonist sold as Victoza for type 2 diabetes and Saxenda for chronic weight…
ImmuneLL-37
LL-37 is the only cathelicidin-family antimicrobial peptide produced in humans, released from neutrophils and epithelial cells, with direct…
M
Melanotan I (Afamelanotide)
Melanotan I is the research name for afamelanotide, an alpha-MSH analog that is FDA-approved under the brand name Scenesse — but only as a…
TanningMelanotan II
Melanotan II is a synthetic, non-selective melanocortin receptor agonist that is not FDA-approved for any human use and is sold only as an unapproved…
LongevityMethylene Blue
Methylene blue is a synthetic phenothiazine dye and old repurposed drug — FDA-approved for methemoglobinemia — that is also studied at low doses for…
PeptideMGF
MGF (mechano growth factor, also known as IGF-1Ec) is an alternatively-spliced isoform of the IGF-1 gene that is transiently upregulated in skeletal…
Growth Hormone (GHRP)MK-677 (Ibutamoren)
MK-677 (ibutamoren) is an orally active, non-peptide agonist of the ghrelin receptor that increases growth hormone and IGF-1 levels, is not…
LongevityMOTS-c
MOTS-c is a 16-amino-acid mitochondrial-derived peptide, encoded within the mitochondrial 12S rRNA gene, that functions as an exercise-responsive…
N
NAD+
NAD+ (nicotinamide adenine dinucleotide) is an essential redox cofactor and substrate for sirtuins and PARP enzymes whose levels decline with age;…
CognitiveNoopept
Noopept is a synthetic proline-containing dipeptide-derived nootropic (ethyl ester of cycloprolylglycine) sold over-the-counter in Russia and as an…
CognitiveNSI-189
NSI-189 is a synthetic small-molecule neurogenic compound (marketed under a peptide-adjacent research-chemical label) originally developed by…
P
P-21
P-21 (P021) is an experimental hexapeptide (Ac-DGGLAG-NH2) derived from a bioactive region of ciliary neurotrophic factor (CNTF) and chemically…
PeptidePEG-MGF
PEG-MGF is a pegylated (polyethylene-glycol-conjugated) construct marketed as a longer-acting version of mechano growth factor, but it has no…
CognitivePinealon
Pinealon is a synthetic tripeptide (Glu-Asp-Arg) bioregulator from the Khavinson "short peptide" tradition, studied almost exclusively in rodent and…
LongevityProstamax
Prostamax is a synthetic short peptide marketed as a prostate-tissue "bioregulator" in the Khavinson organotropic-peptide tradition; it is…
HormonePT-141 (Bremelanotide)
PT-141 (bremelanotide) is FDA-approved under the brand name Vyleesi as an on-demand subcutaneous injection for hypoactive sexual desire disorder…
Hair GrowthPTD-DBM
PTD-DBM is an experimental research peptide that disrupts the CXXC5–Dishevelled interaction to activate Wnt/β-catenin signaling, shown in a single…
S
Selank
Selank is a synthetic heptapeptide analog of the immunomodulator tuftsin, developed in Russia and studied there as an anxiolytic/nootropic, with…
Weight LossSemaglutide
Semaglutide is an FDA-approved GLP-1 receptor agonist sold as Ozempic and oral Rybelsus for type 2 diabetes and as injectable Wegovy and, as of a…
CognitiveSemax
Semax is a synthetic heptapeptide analog of ACTH(4-10) (with an added Pro-Gly-Pro tripeptide) approved as a drug in Russia for conditions including…
Growth Hormone (GHRH)Sermorelin
Sermorelin is a synthetic 29-amino-acid fragment of human growth hormone-releasing hormone (GHRH 1-29) that stimulates the pituitary to release…
Small MoleculeSLU-PP-332
SLU-PP-332 is a synthetic small-molecule agonist of the estrogen-related receptors (ERRα/β/γ) developed as an experimental 'exercise mimetic'; it has…
Cosmetic / SkinSNAP-8
SNAP-8 (acetyl octapeptide-3) is a synthetic cosmetic peptide that mimics part of the SNAP-25 protein to interfere with SNARE-complex-mediated…
LongevitySS-31 (Elamipretide)
SS-31 (elamipretide) is a mitochondria-targeted tetrapeptide that binds cardiolipin in the inner mitochondrial membrane; its lead indication, Barth…
Weight LossSurvodutide
Survodutide is an investigational dual glucagon/GLP-1 receptor agonist from Boehringer Ingelheim/Zealand Pharma that is not yet FDA-approved for any…
T
TB-500
TB-500 is a commercial name used for synthetic thymosin beta-4 or related synthetic peptide products studied mainly in animal and cell-culture models…
Growth Hormone (GHRH)Tesamorelin
Tesamorelin is a stabilized synthetic analog of growth hormone-releasing hormone that is FDA-approved (brand name Egrifta/Egrifta SV) specifically…
Weight LossTesofensine
Tesofensine is a triple monoamine (serotonin-norepinephrine-dopamine) reuptake inhibitor originally developed for Alzheimer's and Parkinson's disease…
LongevityTestagen
Testagen is a synthetic short peptide marketed as a testicular-tissue "bioregulator" within the Khavinson organotropic-peptide tradition, but no…
ImmuneThymalin
Thymalin is a polypeptide complex extracted from calf thymus, developed by the Khavinson research group in Russia, that has been studied mainly in…
ImmuneThymogen
Thymogen is a synthetic dipeptide (Glu-Trp) developed as a simplified thymic-factor analog, studied almost exclusively in Russian animal research for…
ImmuneThymosin Alpha-1
Thymosin alpha-1 is a 28-amino-acid thymic peptide (marketed outside the U.S. as thymalfasin/Zadaxin) that activates dendritic cells through…
HealingThymosin Beta-4
Thymosin beta-4 is a naturally occurring 43-amino-acid protein that regulates actin dynamics and cell migration and has demonstrated…
ImmuneThymulin
Thymulin is a zinc-dependent nonapeptide hormone (also called the serum thymic factor, FTS) produced by thymic epithelial cells, whose biological…
Weight LossTirzepatide
Tirzepatide is an FDA-approved dual GIP/GLP-1 receptor agonist marketed as Mounjaro for type 2 diabetes and Zepbound for chronic weight management,…
V
Vilon
Vilon is a synthetic dipeptide (Lys-Glu) from the Khavinson bioregulator family, studied mainly through in vitro gene-expression and cell-culture…
ImmuneVIP
VIP (vasoactive intestinal peptide) is an endogenous 28-amino-acid neuropeptide that signals through VPAC1/VPAC2 receptors to suppress inflammatory…
Weight LossVitamin B12
Vitamin B12 (cobalamin) is an essential water-soluble vitamin required for red blood cell formation, neurological function, and DNA synthesis; B12…