The compound library.

Vasoactive Intestinal Peptide (VIP)

28-amino-acid peptide hormone; approved for erectile dysfunction abroad and studied intravenously for ARDS.

Triptorelin

Decapeptide GnRH agonist approved for advanced prostate cancer and central precocious puberty.

Tirzepatide

Dual GIP/GLP-1 receptor agonist for type 2 diabetes and weight management with superior efficacy.

Thymosin Alpha-1

Thymic peptide approved internationally for hepatitis and immune enhancement.

Tesamorelin

GHRH analog FDA-approved for HIV-associated lipodystrophy, reduces visceral fat.

Teriparatide

Recombinant 1-34 fragment of human parathyroid hormone; first bone-forming agent approved for osteoporosis.

Teduglutide

GLP-2 analog approved for short bowel syndrome in patients dependent on parenteral nutrition.

TB-500

Synthetic fragment of thymosin beta-4 studied for tissue repair, wound healing, and recovery.

Survodutide

Investigational dual GLP-1 / glucagon receptor agonist in Phase 3 trials for obesity and MASH.

SS-31

Mitochondria-targeted peptide in clinical trials for heart failure and mitochondrial diseases.

Somatropin (rhGH)

Recombinant human growth hormone; identical to endogenous 191-amino-acid GH. Multiple FDA-approved brands.

Somatrogon

Once-weekly long-acting recombinant human growth hormone (C-terminal peptide fusion).

Somapacitan

Once-weekly long-acting recombinant human growth hormone derivative (albumin-binding).

Sincalide

Synthetic C-terminal octapeptide of cholecystokinin used diagnostically to stimulate gallbladder contraction during scintigraphy.

Setmelanotide

MC4 receptor agonist approved for obesity due to POMC, PCSK1, LEPR, and Bardet-Biedl syndrome deficiencies.

Sermorelin

Bioidentical GHRH fragment approved for pediatric growth hormone deficiency, widely used in anti-aging medicine.

Semaglutide

GLP-1 receptor agonist approved for type 2 diabetes and chronic weight management.

Selank

Synthetic tuftsin analog developed in Russia for anxiety and cognitive enhancement.

Secretin (Synthetic Human)

Synthetic human 27-amino-acid secretin used diagnostically for pancreatic disorders and gastrinomas.

Retatrutide

Triple agonist (GIP/GLP-1/glucagon) in Phase 3 trials showing up to 24% weight loss.

PT-141

Melanocortin receptor agonist FDA-approved for hypoactive sexual desire disorder in women.

Pramlintide

Synthetic amylin analog used with mealtime insulin in type 1 and type 2 diabetes.

Plecanatide

16-amino-acid guanylate cyclase-C agonist approved for chronic idiopathic constipation and IBS-C.

Pentosan Polysulfate Sodium

Semi-synthetic sulfated polysaccharide approved for interstitial cystitis; not technically a peptide but often discussed in peptide/regenerative contexts.

Pemvidutide

Investigational dual GLP-1 / glucagon receptor agonist in Phase 2 trials for obesity and MASH.

Pasireotide

Cyclohexapeptide somatostatin analog approved for Cushing disease and acromegaly.

Palmitoyl Tetrapeptide-7

Palmitoylated tetrapeptide studied in cosmetic preparations for anti-inflammatory / anti-glycation claims.

P21

CNTF-derived peptide that promotes neurogenesis without CNTF side effects.

Oxytocin

Nine-amino-acid posterior pituitary hormone used clinically for labor induction and postpartum hemorrhage.

Orforglipron

Investigational once-daily oral non-peptide GLP-1 receptor agonist in Phase 3 trials.

Octreotide

Synthetic octapeptide somatostatin analog approved for acromegaly, carcinoid syndrome, and VIPomas.

Nafarelin

Intranasal GnRH agonist decapeptide used for endometriosis and central precocious puberty.

MOTS-c

Mitochondrial-derived peptide that improves metabolic function and exercise capacity.

MK-677

Orally active non-peptide ghrelin receptor agonist that increases GH and IGF-1; investigational, never approved.

Mechano Growth Factor (MGF)

Splice variant of IGF-1 expressed in skeletal muscle in response to mechanical load; research peptide.

Melanotan II

Synthetic melanocortin peptide researched for tanning, sexual dysfunction, and appetite reduction.

Mazdutide

Investigational dual GLP-1 / glucagon receptor agonist licensed to Innovent Biologics.

Lonapegsomatropin

Once-weekly pegylated prodrug of somatropin that releases unmodified hGH over a week.

LL-37

Antimicrobial peptide with wound healing, immune modulation, and anti-biofilm properties.

Lixisenatide

Short-acting GLP-1 receptor agonist with strong postprandial glucose effect.

Liraglutide

GLP-1 receptor agonist approved for type 2 diabetes and weight management, predecessor to semaglutide.

Linaclotide

14-amino-acid peptide guanylate cyclase-C agonist approved for chronic idiopathic constipation, IBS-C, and pediatric functional constipation.

Leuprolide

GnRH agonist decapeptide used for prostate cancer, endometriosis, uterine fibroids, and central precocious puberty.

Larazotide

Investigational oral peptide tight-junction regulator studied for celiac disease.

Lanreotide

Long-acting somatostatin analog approved for acromegaly and GEP-NETs.

Kisspeptin

Master regulator of reproductive hormones, stimulates natural GnRH release.

Ipamorelin

Selective growth hormone secretagogue with minimal impact on cortisol and prolactin.

Icatibant

Synthetic decapeptide bradykinin B2 receptor antagonist approved for hereditary angioedema attacks.

Humanin

24-amino-acid mitochondrial-derived peptide studied for cytoprotective and metabolic effects.

Goserelin

GnRH agonist used in prostate cancer, breast cancer, and endometriosis; administered as a subcutaneous implant.

Gonadorelin

Bioidentical gonadotropin-releasing hormone for fertility and testosterone support.

Glutathione

Endogenous tripeptide (γ-Glu-Cys-Gly) antioxidant; widely compounded but not FDA approved for any systemic indication.

Glucagon

29-amino-acid pancreatic hormone used as emergency treatment for severe hypoglycemia.

GHK-Cu

Copper-binding tripeptide with wound healing, anti-aging, and hair growth properties.

GHK

Endogenous tripeptide (Gly-His-Lys); the copper-bound form (GHK-Cu) is the well-studied ligand.

Exenatide

GLP-1 receptor agonist derived from exendin-4 (Gila monster peptide); the first GLP-1 drug approved for type 2 diabetes.

Eptifibatide

Cyclic heptapeptide glycoprotein IIb/IIIa inhibitor used as an antiplatelet during PCI and acute coronary syndromes.

Enfuvirtide

36-amino-acid HIV fusion inhibitor; the first and only approved peptide drug that blocks HIV entry.

Efpeglenatide

Investigational long-acting GLP-1 receptor agonist under development by Hanmi Pharmaceutical.

Dulaglutide

Long-acting GLP-1 receptor agonist approved for type 2 diabetes; IgG4 Fc fusion gives once-weekly dosing.

Desmopressin

Synthetic vasopressin analog used for diabetes insipidus, nocturnal enuresis, and mild hemophilia A / von Willebrand disease.

Degarelix

GnRH receptor antagonist used for advanced prostate cancer; produces immediate testosterone suppression without initial flare.

Davunetide

Investigational 8-amino-acid peptide derived from activity-dependent neuroprotective protein (ADNP).

Cosyntropin

Synthetic 24-amino-acid ACTH fragment used diagnostically for adrenal insufficiency.

Corticotropin (ACTH)

Porcine pituitary-derived ACTH gel used as an anti-inflammatory agent in specific steroid-responsive conditions.

CJC-1295

Growth hormone releasing hormone analog with extended half-life for sustained GH elevation.

Cerebrolysin

Peptide preparation derived from porcine brain tissue; approved in ~50 countries for stroke and dementia, not FDA approved.

Carbetocin

Long-acting synthetic oxytocin analog used for prevention of postpartum hemorrhage; approved in many countries, not FDA approved.

Calcitonin (Salmon)

Synthetic salmon-sequence calcitonin used for osteoporosis, Paget disease, and hypercalcemia.

Cagrilintide

Investigational long-acting amylin analog being studied alone and combined with semaglutide (CagriSema).

BPC-157

Gastric pentadecapeptide studied for tissue healing, gut protection, and injury recovery.

Bivalirudin

Synthetic 20-amino-acid direct thrombin inhibitor used as an anticoagulant during PCI.

Argireline

Topical hexapeptide marketed for temporary softening of expression lines.

ARA-290

Investigational 11-amino-acid peptide derived from erythropoietin helix B; studied for tissue protection.

Albiglutide

Long-acting GLP-1 receptor agonist (albumin fusion); commercially withdrawn in 2018 for business reasons, not safety.

Afamelanotide

Synthetic α-MSH analog approved to increase pain-free light exposure in erythropoietic protoporphyria (EPP).

Abaloparatide

Synthetic 34-amino-acid analog of PTHrP approved for postmenopausal osteoporosis.

Palmitoyl Tripeptide-1

Palmitoylated tripeptide (Gly-His-Lys) used in topical anti-aging formulations.

SNAP-8

Topical octapeptide marketed as an extended version of argireline for expression-line softening.

Matrixyl

Palmitoylated pentapeptide used in anti-aging cosmetics to stimulate collagen synthesis in vitro.

Colivelin

Synthetic hybrid peptide combining an AGA-modified humanin fragment with ADNF-9; studied preclinically for neuroprotection.

Noopept

Synthetic dipeptide nootropic approved as a prescription drug in Russia; not FDA approved or recognized as a dietary supplement.

N-Acetyl Selank Amidate

N-acetylated, C-terminal amidated variant of Selank with longer duration.

N-Acetyl Semax Amidate

N-acetylated, C-terminal amidated variant of Semax with longer duration.

Cortexin

Peptide preparation from bovine or porcine cerebral cortex; approved in Russia for CNS indications.

Thymulin

Zinc-binding thymic hormone (nonapeptide) studied for immunomodulation.

Thymogen

Synthetic dipeptide derived from thymopoietin studied as an immunomodulator; approved in Russia.

α-Defensin 1 (HNP-1)

Endogenous antimicrobial peptide stored in neutrophil granules; research-stage therapeutic.

HGH Fragment 176-191

Synthetic 16-amino-acid fragment of the C-terminus of hGH; studied for isolated lipolytic activity.

IGF-1 DES

Truncated IGF-1 variant missing the first three N-terminal residues; reduced IGFBP binding. Research chemical.

IGF-1 LR3

Modified IGF-1 analog with reduced binding to IGFBPs; extended half-life vs native IGF-1. Research chemical.

CJC-1295 (no DAC)

Modified GHRH(1-29) with four amino-acid substitutions and NO drug-affinity complex — short half-life variant.

Thymalin

Thymic peptide complex that modulates immune function and may support longevity.

DSIP

Neuropeptide that promotes delta wave sleep and may help with insomnia and stress.

Dihexa

Potent nootropic peptide derivative, 10 million times more potent than BDNF at promoting synaptogenesis.

KPV

Anti-inflammatory tripeptide derived from alpha-MSH, studied for gut and skin conditions.

AOD-9604

Modified GH fragment studied for fat loss without GH side effects, TGA approved in Australia.

Hexarelin

Potent GHRP with strong GH release and unique cardioprotective properties.

GHRP-2

Potent ghrelin mimetic with strongest GH release among GHRPs, moderate appetite effects.

GHRP-6

First-generation ghrelin mimetic that strongly stimulates GH release and appetite.

Epithalon

Synthetic tetrapeptide studied for telomerase activation and potential anti-aging effects.

Semax

Synthetic ACTH fragment developed in Russia for cognitive enhancement and neuroprotection.