Peptides A–Z

5-amino-1-methylquinolinium

A small-molecule inhibitor of the enzyme NNMT, often grouped with peptides by suppliers. Studied in cell and animal models of metabolism.

PTHrP analogue

A synthetic analogue of parathyroid hormone-related protein (PTHrP). Approved as a prescription osteoporosis medicine in some countries.

FTPP, prohibitin-targeting peptide

A peptidomimetic designed to target blood vessels supplying fat tissue. Studied in rodent and primate models.

hGH fragment 177–191 (Tyr-modified)

A modified fragment of the C-terminal end of human growth hormone, studied in fat-metabolism research.

Cibinetide

An 11-amino-acid peptide derived from erythropoietin, designed to activate the innate repair receptor without stimulating red blood cell production.

Body Protection Compound-157

A 15-amino-acid fragment of a gastric protein and one of the most-cited peptides in preclinical tissue research.

PT-141

A cyclic melanocortin-receptor agonist derived from Melanotan II. Approved as a prescription medicine in the United States.

Long-acting amylin analogue

A long-acting analogue of the hormone amylin, studied in clinical trials alone and in combination with semaglutide.

Porcine brain-derived peptide preparation

A mixture of low-molecular-weight peptides derived from pig brain protein. Used as a prescription product in some countries outside North America.

Mod GRF 1-29 + Ipamorelin

A blend of a short-acting GHRH analogue and a selective ghrelin-receptor agonist, studied in endocrine research.

GHRH analogue with Drug Affinity Complex

A growth hormone-releasing hormone analogue with a chemical linker that binds albumin, greatly extending its half-life.

PNB-0408, angiotensin IV analogue

A small peptide-derived molecule based on angiotensin IV, studied in animal models of learning and memory.

Delta Sleep-Inducing Peptide

A nine-amino-acid neuropeptide first isolated from rabbit brain and studied in sleep research.

SS-31, MTP-131

A mitochondria-targeting tetrapeptide that binds cardiolipin, investigated in clinical trials for rare mitochondrial diseases.

Epithalon, AEDG peptide

A four-amino-acid peptide based on the pineal extract epithalamin, studied in telomere and circadian research.

FST-344

A recombinant form of the glycoprotein follistatin, which binds and inhibits myostatin and activin. Larger than a typical peptide.

Proxofim

A D-retro-inverso peptide designed to disrupt FOXO4–p53 binding, studied in senescent-cell research in mice.

Copper tripeptide-1

A copper-binding tripeptide widely studied in dermatology and cosmetic science.

Pralmorelin

A synthetic hexapeptide growth hormone secretagogue that acts on the ghrelin receptor.

Growth Hormone Releasing Peptide-6

One of the first synthetic hexapeptide growth hormone secretagogues, also known for stimulating appetite in studies.

γ-L-Glutamyl-L-cysteinylglycine

A naturally occurring tripeptide and one of the body's main antioxidants, widely studied in oxidative-stress research.

Synthetic GnRH

A synthetic version of gonadotropin-releasing hormone, used diagnostically in medicine and in veterinary practice.

Examorelin

A potent synthetic hexapeptide ghrelin-receptor agonist, also studied for effects on heart tissue.

hGH Frag 176-191

The C-terminal fragment of human growth hormone, studied for its role in fat metabolism without growth effects.

Mitochondrial-derived peptide

A 24-amino-acid peptide encoded by mitochondrial DNA, studied in cell-survival and ageing research.

Long R3 Insulin-like Growth Factor-1

A modified 83-amino-acid analogue of IGF-1 with reduced binding to IGF-binding proteins, widely used in cell-culture media.

NNC 26-0161

A selective pentapeptide ghrelin-receptor agonist studied for growth hormone release with minimal effects on other hormones.

KISS1 (112–121)

A ten-amino-acid fragment of kisspeptin, a key regulator of reproductive hormone release.

Lys-Pro-Val, α-MSH (11–13)

A tripeptide fragment of α-MSH studied in inflammation models of gut and skin tissue.

AT-1001

An eight-amino-acid peptide that regulates intestinal tight junctions, investigated in clinical trials for celiac disease.

Victoza, Saxenda

A once-daily GLP-1 receptor agonist. Authorized in Canada as a prescription medicine for type 2 diabetes and weight management.

Human cathelicidin

A 37-amino-acid antimicrobial peptide produced by the human immune system, studied in infection and wound research.

IBI362, LY3305677

A dual GLP-1 and glucagon receptor agonist studied in clinical trials for obesity and type 2 diabetes.

Afamelanotide

A synthetic α-MSH analogue. Approved in some countries as an implant for a rare light-sensitivity disorder.

MT-II

A cyclic α-MSH analogue that is not authorized for any use. Health Canada has warned Canadians against unauthorized tanning products containing it.

Mitochondrial ORF of the 12S rRNA type-c

A 16-amino-acid mitochondrial-derived peptide studied in metabolic and cellular-stress research.

Ac-Selank

An N-terminally acetylated form of Selank, modified to improve stability.

Ac-Semax

An N-terminally acetylated form of Semax, modified to improve stability.

Nicotinamide adenine dinucleotide

A coenzyme central to cellular energy and DNA repair. Not a peptide, but commonly grouped with them.

Pitocin (synthetic)

A nine-amino-acid hormone produced by the hypothalamus. Synthetic oxytocin is an authorized prescription drug used in obstetrics.

Spadin analogue

A shortened analogue of the peptide spadin that targets the TREK-1 potassium channel, studied in animal models of mood.

Pegylated Mechano Growth Factor

A pegylated version of the E-domain peptide from the IGF-1Ec splice variant, studied in muscle-repair research.

Glu-Asp-Arg

A short tripeptide from the Khavinson "bioregulator" family, studied mainly by Russian research groups.

Symlin

A synthetic analogue of amylin. Approved as a prescription diabetes medicine in the United States.

LY3437943, triple agonist

An investigational GIP, GLP-1 and glucagon triple-receptor agonist from Eli Lilly, in Phase 3 trials. Not authorized in Canada.

TP-7

A seven-amino-acid analogue of tuftsin developed in Russia and studied in neuropeptide research.

Ozempic, Wegovy, Rybelsus

A long-acting GLP-1 receptor agonist. Authorized in Canada by prescription only. Health Canada warns against unauthorized semaglutide sold online.

ACTH(4-7)-Pro-Gly-Pro

A seven-amino-acid ACTH-derived peptide developed in Russia and studied in neurological research.

GRF 1-29

The first 29 amino acids of growth hormone-releasing hormone, previously marketed as a prescription drug in some countries.

BI 456906

A dual glucagon and GLP-1 receptor agonist from Boehringer Ingelheim, studied in clinical trials for obesity and liver disease.

Thymosin β4 fragment (17–23)

A synthetic fragment of thymosin beta-4 studied in cell-migration and tissue-repair models.

Egrifta

A stabilized growth hormone-releasing hormone analogue. Approved as a prescription medicine in some countries.

Thymus peptide extract

A peptide preparation derived from the thymus, studied mainly by Russian research groups in immune research.

Thymalfasin, Zadaxin

A 28-amino-acid peptide from the thymus. Approved as a prescription immune-modulating drug in some countries.

Tβ4

A 43-amino-acid actin-binding protein found in most cells. TB-500 is a short synthetic fragment of it.

Mounjaro

A once-weekly GIP and GLP-1 dual receptor agonist. Authorized in Canada as a prescription medicine.

GnRH agonist

A synthetic decapeptide analogue of gonadotropin-releasing hormone, used as a prescription medicine.

Lys-Glu

A dipeptide from the Khavinson "bioregulator" family, studied mainly by Russian research groups.

Vasoactive Intestinal Peptide, Aviptadil

A 28-amino-acid neuropeptide found throughout the body, studied in lung, gut and immune research.