Peptide Directory

Browse our comprehensive directory of research peptides with scientific data, dosage protocols, and community experiences.

5-Amino-1MQ — 5-Amino-1MQ is a small molecule inhibitor of nicotinamide N-methyltransferase (NNMT), an enzyme linked to obesity and...

ACTH (Cosyntropin) — Cosyntropin is a synthetic analog of the first 24 amino acids of adrenocorticotropic hormone (ACTH 1-24). It is...

AOD-9604 — AOD-9604 is a modified C-terminal fragment of human growth hormone (amino acids 176-191). Originally developed as an...

ARA-290 (Cibinetide) — ARA-290 (cibinetide) is a synthetic 11-amino-acid peptide derived from the non-erythropoietic, tissue-protective domain...

BPC-157 — Body Protection Compound-157 (BPC-157) is a 15-amino-acid fragment originally isolated from proteins in the human...

CJC-1295 (Modified GRF 1-29) — CJC-1295 is a synthetic GHRH (Growth Hormone-Releasing Hormone) analog with extended duration due to Drug Affinity...

CJC-1295 with DAC — CJC-1295 with DAC (Drug Affinity Complex) is a long-acting GHRH analog that uses a maleimidopropionic acid linker to...

Cerebrolysin — Cerebrolysin is a porcine brain-derived peptide preparation containing low-molecular-weight neuropeptides and free...

Cortagen — Cortagen is a synthetic tetrapeptide bioregulator (Ala-Glu-Asp-Pro) developed at the St. Petersburg Institute of...

DSIP (Delta Sleep Inducing Peptide) — DSIP is a naturally occurring neuropeptide first isolated from rabbit brain tissue. Research focuses on sleep...

Dihexa — Dihexa is a synthetic hexapeptide analog of angiotensin IV with potent nootropic properties. Proposed to be 10 million...

Epitalon (Epithalon) — Epitalon is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) studied primarily in Russia. Research focuses on telomerase...

Follistatin 344 — Follistatin is a naturally occurring glycoprotein that binds and inhibits myostatin, a negative regulator of muscle...

GHK (Tripeptide) — GHK (Gly-His-Lys) is a naturally occurring tripeptide found in human plasma, saliva, and urine whose levels decline...

GHK-Cu (Copper Peptide) — GHK-Cu is a naturally occurring tripeptide-copper complex found in human plasma, saliva, and urine. Studied primarily...

GHRP-2 — GHRP-2 (Growth Hormone Releasing Peptide-2) is a synthetic hexapeptide that stimulates growth hormone secretion....

GHRP-6 — GHRP-6 (Growth Hormone Releasing Peptide-6) is a hexapeptide that stimulates growth hormone release through the ghrelin...

Gonadorelin (GnRH) — Gonadorelin is a synthetic form of gonadotropin-releasing hormone (GnRH). Used diagnostically and therapeutically for...

HGH Fragment 176-191 — HGH Fragment 176-191 is a stabilized fragment of the C-terminal portion of human growth hormone (amino acids 176-191)....

Hexarelin — Hexarelin is a synthetic hexapeptide growth hormone secretagogue, considered one of the most potent GHRPs available....

Humanin — Humanin is a 24-amino-acid mitochondrial-derived peptide encoded in the 16S rRNA gene. Discovered for its ability to...

IGF-1 LR3 — IGF-1 LR3 (Long R3 IGF-1) is a modified analog of insulin-like growth factor 1 with an arginine substitution at...

Ipamorelin — Ipamorelin is a selective growth hormone secretagogue developed by Novo Nordisk. It stimulates GH release without...

KPV — KPV is a naturally occurring tripeptide (Lys-Pro-Val) derived from the C-terminal end of alpha-melanocyte-stimulating...

Kisspeptin-10 — Kisspeptin is a neuropeptide that plays a crucial role in reproductive hormone regulation. Acts upstream of GnRH to...

LL-37 (Cathelicidin) — LL-37 is an endogenous human antimicrobial peptide (cathelicidin) that plays a role in innate immunity. Research...

Liraglutide — Liraglutide is a GLP-1 receptor agonist with 97% sequence homology to native GLP-1. FDA-approved as Victoza (diabetes)...

MGF (Mechano Growth Factor) — MGF (Mechano Growth Factor) is a splice variant of the IGF-1 gene produced in response to mechanical loading of muscle...

MK-677 (Ibutamoren) — MK-677 (Ibutamoren) is an orally active, non-peptide growth hormone secretagogue that mimics the action of ghrelin at...

MOTS-c — MOTS-c is a 16 amino acid mitochondrial-derived peptide encoded in the 12S rRNA gene. First mitochondrial peptide to...

Melanotan 1 (Afamelanotide) — Melanotan 1, also known as Afamelanotide, is a synthetic analog of alpha-melanocyte stimulating hormone (α-MSH) that...

Melanotan II — Melanotan II is a synthetic analog of alpha-melanocyte stimulating hormone (alpha-MSH) that activates melanocortin...

NAD+ — Nicotinamide adenine dinucleotide (NAD+) is a critical coenzyme found in every living cell. It is essential for...

Oxytocin — Oxytocin is a naturally occurring nonapeptide hormone produced in the hypothalamus. Known as the 'love hormone' for its...

PE-22-28 — PE-22-28 is a synthetic 7-amino-acid peptide derived from the spadin family, designed to inhibit the TREK-1 potassium...

PT-141 (Bremelanotide) — PT-141 (Bremelanotide) is a melanocortin receptor agonist studied for sexual dysfunction. Works centrally in the brain...

Pinealon — Pinealon is a synthetic tripeptide bioregulator (Glu-Asp-Arg) developed in Russia, targeting pineal gland and central...

Retatrutide — Retatrutide is an investigational triple agonist targeting GIP, GLP-1, and glucagon receptors simultaneously. Phase 2...

SNAP-8 (Acetyl Octapeptide-3) — SNAP-8 is an octapeptide used in cosmetic applications to reduce wrinkles. Works by inhibiting neuromuscular signaling...

SS-31 (Elamipretide) — SS-31 (Elamipretide) is a mitochondria-targeted tetrapeptide that concentrates in the inner mitochondrial membrane....

Selank — Selank is a synthetic heptapeptide analog of tuftsin developed in Russia as an anxiolytic and nootropic. Shows both...

Semaglutide — Semaglutide is a GLP-1 receptor agonist with 94% sequence homology to human glucagon-like peptide-1. Used for weight...

Semax — Semax is a synthetic heptapeptide derived from ACTH(4-10) fragment, developed in Russia for neuroprotective and...

Sermorelin — Sermorelin is a synthetic 29-amino acid analog of growth hormone-releasing hormone (GHRH). It was FDA-approved for...

TB-500 (Thymosin Beta-4 Fragment) — TB-500 is a synthetic peptide fragment derived from Thymosin Beta-4, a naturally occurring protein involved in tissue...

Tesamorelin — Tesamorelin is a synthetic growth hormone-releasing hormone (GHRH) analog used for reducing visceral adipose tissue in...

Thymalin — Thymalin is a polypeptide complex originally extracted from calf thymus glands, developed in Russia. Research focuses...

Thymosin Alpha-1 — Thymosin Alpha-1 (Tα1) is a 28 amino acid peptide naturally produced by the thymus gland. Extensively studied for...

Tirzepatide — Tirzepatide is a dual GIP/GLP-1 receptor agonist for weight management and type 2 diabetes. Marketed as Mounjaro...

VIP (Vasoactive Intestinal Peptide) — VIP (Vasoactive Intestinal Peptide) is a 28 amino acid neuropeptide with complex neuroendocrine and immunomodulatory...

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