Peptide Association LLC is a for-profit company. We receive compensation from the clinical providers listed on this site. We are not an accrediting body, a licensing board, or a government-affiliated organization. See exactly how we make money.

Peptide DatabasePage 2

265 therapeutic peptides with research summaries, clinical findings, and regulatory status.

Showing 37–72 of 265
CognitiveInvestigational

Semax

A synthetic heptapeptide analog of the ACTH(4-7) fragment (Met-Glu-His-Phe-Pro-Gly-Pro) with nootropic and neuroprotective properties. Semax…

Intranasal
CognitiveInvestigational

Selank

A synthetic analog of the endogenous tetrapeptide tuftsin (Thr-Lys-Pro-Arg) with an added Pro-Gly-Pro sequence for stability. Selank exhibits…

Intranasal
CognitiveInvestigational

Cerebrolysin

A porcine brain-derived peptide preparation consisting of low-molecular-weight neuropeptides and free amino acids that mimic the action of endogenous…

Intravenous, Intramuscular injection
CognitiveResearch Phase

P21 (Peptide)

A small synthetic peptide derived from the active region of ciliary neurotrophic factor (CNTF) designed to promote neurogenesis and synaptic…

Subcutaneous injection, Intranasal
LongevityResearch Phase

Epithalon (Epitalon)

A synthetic tetrapeptide (Ala-Glu-Asp-Gly) based on the natural epithalamin peptide produced by the pineal gland. Epithalon activates telomerase, the…

Subcutaneous injection, Intravenous
LongevityResearch Phase

MOTS-c

A mitochondrial-derived peptide encoded by the 12S rRNA gene of mitochondrial DNA. MOTS-c is a 16-amino acid peptide that acts as an exercise mimetic…

Subcutaneous injection
LongevityResearch Phase

Humanin

A 24-amino acid mitochondrial-derived peptide encoded within the 16S rRNA region of mitochondrial DNA. Humanin exerts cytoprotective and…

Subcutaneous injection, Intravenous
LongevityIn Clinical Trials

NAD+ Precursors (NMN)

Nicotinamide mononucleotide (NMN) is a direct biosynthetic precursor to nicotinamide adenine dinucleotide (NAD+), a coenzyme essential for cellular…

Oral, Intravenous, Sublingual
LongevityIn Clinical Trials

SS-31 (Elamipretide)

A mitochondria-targeted tetrapeptide (D-Arg-dimethylTyr-Lys-Phe-NH2) that selectively concentrates in the inner mitochondrial membrane by binding to…

Subcutaneous injection, Intravenous
LongevityResearch Phase

FOXO4-DRI

A D-retro-inverso peptide designed to disrupt the interaction between FOXO4 and p53 in senescent cells. In senescent cells, FOXO4 sequesters p53 away…

Subcutaneous injection, Intravenous
ImmuneInvestigational

Thymalin

A peptide bioregulator originally extracted from bovine thymus gland, consisting of a mixture of polypeptides that modulate immune function. Thymalin…

Intramuscular injection
ImmuneResearch Phase

LL-37

The only human cathelicidin antimicrobial peptide, a 37-amino acid cationic peptide cleaved from the precursor protein hCAP18. LL-37 disrupts…

Subcutaneous injection, Topical
ImmuneInvestigational

VIP (Vasoactive Intestinal Peptide)

A 28-amino acid neuropeptide widely distributed in the central and peripheral nervous systems and immune cells. VIP acts through VPAC1 and VPAC2…

Intranasal, Intravenous, Subcutaneous injection
ImmuneInvestigational

Thymosin Alpha 1 (Zadaxin)

A 28-amino acid peptide originally isolated from thymic tissue (thymosin fraction 5) that serves as a potent immunomodulator. Thymosin alpha 1…

Subcutaneous injection
ImmuneInvestigational

Thymopentin (TP-5)

A synthetic pentapeptide (Arg-Lys-Asp-Val-Tyr) corresponding to residues 32-36 of thymopoietin, a thymic hormone involved in T-cell differentiation.…

Subcutaneous injection, Intramuscular injection
ImmuneResearch Phase

Thymulin

A zinc-containing nonapeptide (facteur thymique serique) produced exclusively by thymic epithelial cells. Thymulin requires zinc for biological…

Subcutaneous injection, Intranasal
ImmuneResearch Phase

KPV

A C-terminal tripeptide fragment (Lys-Pro-Val) of alpha-melanocyte-stimulating hormone (alpha-MSH) that retains potent anti-inflammatory activity…

Oral, Topical, Subcutaneous injection
AntimicrobialFDA Approved

Enfuvirtide (Fuzeon)

A 36-amino acid synthetic peptide that inhibits HIV-1 entry into CD4+ T-cells by blocking the gp41-mediated membrane fusion step. Enfuvirtide binds…

Subcutaneous injection (twice daily)
PerformanceResearch Phase

Melanotan II

A synthetic cyclic analog of alpha-melanocyte stimulating hormone (alpha-MSH) that non-selectively activates melanocortin receptors MC1R through…

Subcutaneous injection
BoneFDA Approved

Teriparatide (Forteo)

A recombinant form of the first 34 amino acids of human parathyroid hormone (PTH 1-34). When administered intermittently via daily subcutaneous…

Subcutaneous injection (daily)
BoneFDA Approved

Abaloparatide (Tymlos)

A synthetic 34-amino acid peptide analog of parathyroid hormone-related protein (PTHrP 1-34) that selectively activates the RG conformation of the…

Subcutaneous injection (daily)
BoneFDA Approved

Calcitonin

A 32-amino acid peptide hormone naturally produced by parafollicular C-cells of the thyroid gland. Calcitonin inhibits osteoclast-mediated bone…

Intranasal, Subcutaneous injection, Intramuscular injection
BoneFDA Approved

Vosoritide (Voxzogo)

A C-type natriuretic peptide (CNP) analog that acts as an agonist at the natriuretic peptide receptor B (NPR-B) on growth plate chondrocytes.…

Subcutaneous injection (daily)
RenalFDA Approved

Vasopressin (ADH)

A nine-amino acid cyclic peptide hormone (arginine vasopressin) produced in the hypothalamus and released from the posterior pituitary. Vasopressin…

Intravenous, Intramuscular injection, Subcutaneous injection
RenalFDA Approved

Desmopressin (DDAVP)

A synthetic analog of vasopressin with enhanced V2 receptor selectivity and minimal V1a vasopressor activity. Desmopressin has a deaminated cysteine…

Intranasal, Oral, Subcutaneous injection, Intravenous
RenalFDA Approved

Terlipressin

A synthetic vasopressin analog and prodrug that is cleaved by endopeptidases to release lysine-vasopressin. Terlipressin has greater V1a receptor…

Intravenous
CardiovascularFDA Approved

Eptifibatide (Integrilin)

A synthetic cyclic heptapeptide modeled after the KGD (Lys-Gly-Asp) disintegrin sequence found in the venom of the southeastern pygmy rattlesnake…

Intravenous
CardiovascularFDA Approved

Nesiritide (Natrecor)

A recombinant form of human B-type natriuretic peptide (BNP), a 32-amino acid peptide naturally produced by ventricular cardiomyocytes in response to…

Intravenous
CardiovascularFDA Approved

Angiotensin II (Giapreza)

A synthetic form of the endogenous octapeptide angiotensin II, the primary effector of the renin-angiotensin system. Angiotensin II acts on AT1…

Intravenous
HematologyFDA Approved

Bivalirudin (Angiomax)

A synthetic 20-amino acid peptide that acts as a direct thrombin inhibitor by binding both the catalytic active site and anion-binding exosite 1 of…

Intravenous
HematologyFDA Approved

Romiplostim (Nplate)

A thrombopoietin (TPO) receptor agonist consisting of a peptide sequence that binds the TPO receptor (c-Mpl) fused to an IgG1 Fc domain (peptibody).…

Subcutaneous injection (weekly)
HematologyFDA Approved

Pegcetacoplan (Empaveli)

A pegylated cyclic peptide that inhibits complement component C3, the central node of all three complement activation pathways (classical, lectin…

Subcutaneous infusion
OncologyFDA Approved

Carfilzomib (Kyprolis)

A tetrapeptide epoxyketone proteasome inhibitor that irreversibly binds the chymotrypsin-like (beta5) subunit of the 20S proteasome. By blocking…

Intravenous
OncologyFDA Approved

Bortezomib (Velcade)

A modified dipeptidyl boronic acid that reversibly inhibits the chymotrypsin-like activity of the 26S proteasome. Bortezomib disrupts the…

Subcutaneous injection, Intravenous
OncologyFDA Approved

Lutetium-177 dotatate (Lutathera)

A radiolabeled somatostatin analog consisting of the peptide DOTA-Tyr3-octreotate chelated to the beta-emitting radioisotope lutetium-177. Lutathera…

Intravenous
OncologyFDA Approved

Leuprolide (Lupron) - Oncology

A GnRH agonist used in oncology for androgen deprivation therapy (ADT) in prostate cancer and hormone suppression in premenopausal breast cancer.…

Intramuscular injection (depot), Subcutaneous injection

All 265 peptides

Complete index, every profile, one click away.

Important Medical Disclaimer

The information provided by the Peptide Association is for educational and informational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified, licensed healthcare provider before beginning any peptide therapy, supplement regimen, or making changes to an existing treatment plan.

Peptide therapies discussed on this site may not be FDA-approved for all listed indications. Individual results vary. The Peptide Association does not prescribe, diagnose, or treat any medical condition. Clinicians in our network are independently licensed practitioners; the Association reviews licensure but does not employ or directly supervise these clinicians.

© 2026 The Peptide Association. All rights reserved. Content on this site is protected under applicable intellectual property laws. HIPAA-compliant infrastructure. The Peptide Association is not a medical practice.