Research library · 65 compounds

The peptide research library.

Profiles of the peptides and compounds people ask us about most: what each one is, what it has been studied for, and where the research stands.

Researcher at a microscope
BPC-157
Peptide

BPC-157

A stomach-protein fragment studied mainly in animal models of tissue healing.

TB-500
Peptide

TB-500

A synthetic fragment of thymosin beta-4 studied in cell and animal research.

KPV
Peptide

KPV

A three-amino-acid peptide studied in laboratory inflammation research.

LL-37
Peptide

LL-37

A naturally occurring human antimicrobial peptide studied in the lab.

PE-22-28
Peptide

PE-22-28

A research peptide studied in animal models.

ARA-290
Peptide

ARA-290

An erythropoietin-derived peptide (cibinetide) studied in clinical trials on nerve-related pain. Not FDA-approved.

B7-33
Peptide

B7-33

A synthetic peptide derived from relaxin-2, studied in laboratory and animal research on fibrosis.

Retatrutide
Investigational medicine

Retatrutide

Investigational triple-agonist medicine in clinical trials. Not FDA-approved.

Cagrilintide
Peptide

Cagrilintide

Investigational amylin analog in clinical trials. Not FDA-approved.

Survodutide
Investigational medicine

Survodutide

Investigational medicine in clinical trials. Not FDA-approved.

MOTS-c
Peptide

MOTS-c

A mitochondria-derived peptide studied in metabolic research.

AOD-9604
Peptide

AOD-9604

A growth-hormone fragment studied in metabolism research.

5-Amino-1MQ
Small molecule

5-Amino-1MQ

A small molecule (not a peptide) studied in lab metabolic research.

AICAR
Peptide

AICAR

A compound used in laboratory research on cell energy.

Adipotide (FTPP)
Peptide

Adipotide (FTPP)

An experimental peptide studied in animal research on the blood supply of fat tissue.

HGH Fragment 176-191
Peptide

HGH Fragment 176-191

A fragment of the growth hormone molecule studied in metabolism research.

SLU-PP-332
Small molecule

SLU-PP-332

A small molecule (not a peptide) studied in mouse research on exercise-like metabolic effects.

Eloralintide
Investigational medicine

Eloralintide

Investigational amylin-receptor medicine in clinical trials. Not FDA-approved.

CagriSema
Investigational medicine

CagriSema

Investigational combination of cagrilintide and semaglutide in clinical trials. Not FDA-approved.

Tesofensine
Peptide

Tesofensine

Studied in clinical research; not approved in the United States.

CJC-1295
Peptide

CJC-1295

A growth hormone–releasing hormone analog studied in early clinical research.

Ipamorelin
Peptide

Ipamorelin

A growth-hormone secretagogue studied in clinical research.

GHRP-2 · GHRP-6
Peptide

GHRP-2 · GHRP-6

Growth-hormone–releasing peptides used in research.

Hexarelin
Peptide

Hexarelin

A growth-hormone secretagogue studied in research settings.

IGF-1 LR3
Peptide

IGF-1 LR3

A lab-research analog of IGF-1.

MGF · PEG-MGF
Peptide

MGF · PEG-MGF

IGF-1 splice variants studied in muscle research.

Mod GRF 1-29
Peptide

Mod GRF 1-29

A modified fragment of growth hormone–releasing hormone, also called CJC-1295 without DAC.

Sermorelin
Peptide

Sermorelin

A GHRH analog; the FDA-approved brand was discontinued and no approved version is marketed today.

GHK-Cu
Cosmetic peptide

GHK-Cu

A copper peptide studied mostly in skin and cosmetic research.

Epitalon
Peptide

Epitalon

A short peptide studied in aging research, mostly in animals.

FOXO4-DRI
Peptide

FOXO4-DRI

A peptide studied in laboratory research on aging cells.

Snap-8
Cosmetic peptide

Snap-8

A cosmetic peptide studied in topical skincare research.

AHK-Cu
Peptide

AHK-Cu

A copper-binding tripeptide studied mainly in hair and skin research.

Matrixyl (palmitoyl pentapeptide-4)
Cosmetic peptide

Matrixyl (palmitoyl pentapeptide-4)

A cosmetic peptide used in topical skincare products.

Argireline (acetyl hexapeptide-3)
Cosmetic peptide

Argireline (acetyl hexapeptide-3)

A cosmetic peptide used in topical skincare products.

Humanin
Peptide

Humanin

A mitochondria-derived peptide studied in laboratory research on cell stress and aging.

Melanotan II
Peptide

Melanotan II

A synthetic melanocortin analog. Not approved; regulators have warned consumers about unapproved tanning injections.

NAD+
Coenzyme / nucleotide

NAD+

A coenzyme found in every cell; not an FDA-approved drug.

Glutathione
Peptide

Glutathione

An antioxidant made by the body; not approved as an injectable drug.

ACE-031
Protein

ACE-031

A protein that blocks myostatin signaling; its clinical development was stopped early for safety reasons.

Follistatin-344
Protein

Follistatin-344

A form of the protein follistatin, which binds myostatin, studied in muscle research.

Bronchogen
Short peptide (bioregulator)

Bronchogen

A short bioregulator peptide studied mostly in Russian laboratory research related to lung tissue.

Cardiogen
Short peptide (bioregulator)

Cardiogen

A short bioregulator peptide studied mostly in Russian laboratory research related to heart tissue.

Cartalax
Short peptide (bioregulator)

Cartalax

A short bioregulator peptide studied mostly in Russian laboratory research related to cartilage.

Chonluten
Short peptide (bioregulator)

Chonluten

A short bioregulator peptide studied mostly in Russian laboratory research related to airway lining tissue.

Cortagen
Short peptide (bioregulator)

Cortagen

A short bioregulator peptide studied mostly in Russian laboratory research related to brain tissue.

Crystagen
Short peptide (bioregulator)

Crystagen

A short bioregulator peptide studied mostly in Russian laboratory research related to the immune system.

Livagen
Short peptide (bioregulator)

Livagen

A short bioregulator peptide studied mostly in Russian laboratory research on aging cells.

Ovagen
Short peptide (bioregulator)

Ovagen

A short bioregulator peptide studied mostly in Russian laboratory research related to liver tissue.

Pancragen
Short peptide (bioregulator)

Pancragen

A short bioregulator peptide studied mostly in Russian laboratory research related to the pancreas.

Pinealon
Short peptide (bioregulator)

Pinealon

A short bioregulator peptide studied mostly in Russian laboratory research related to nerve cells.

Prostamax
Short peptide (bioregulator)

Prostamax

A short bioregulator peptide studied mostly in Russian laboratory research related to prostate tissue.

Testagen
Short peptide (bioregulator)

Testagen

A short bioregulator peptide studied mostly in Russian laboratory research related to testicular tissue.

Vesugen
Short peptide (bioregulator)

Vesugen

A short bioregulator peptide studied mostly in Russian laboratory research related to blood vessels.

Vilon
Short peptide (bioregulator)

Vilon

A dipeptide bioregulator studied mostly in Russian laboratory research related to the immune system.

Thymogen
Short peptide (bioregulator)

Thymogen

A dipeptide studied mostly in Russian research related to the immune system.

Thymalin
Peptide

Thymalin

A thymus-derived peptide preparation used in Russia; not approved in the United States.

Thymulin
Peptide

Thymulin

A zinc-dependent thymus hormone studied in immune research.

Dihexa
Peptide

Dihexa

A peptide-derived compound studied in animal research on memory.

Adamax
Peptide

Adamax

A synthetic compound related to Semax, with limited published research.

Selank · Semax
Peptide

Selank · Semax

Peptides approved in Russia; not approved in the United States.

DSIP
Peptide

DSIP

Delta sleep-inducing peptide, studied in sleep research.

Thymosin alpha-1
Peptide

Thymosin alpha-1

Approved in some countries; not approved in the United States.

Kisspeptin-10
Peptide

Kisspeptin-10

A hormone fragment studied in reproductive research.

VIP
Peptide

VIP

Vasoactive intestinal peptide, studied in research settings.

Educational information only; not medical advice. FDA status is shown on each profile.