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.

BPC-157BPC-157
A stomach-protein fragment studied mainly in animal models of tissue healing.
TB-500TB-500
A synthetic fragment of thymosin beta-4 studied in cell and animal research.
KPVKPV
A three-amino-acid peptide studied in laboratory inflammation research.
LL-37LL-37
A naturally occurring human antimicrobial peptide studied in the lab.
PE-22-28PE-22-28
A research peptide studied in animal models.
ARA-290ARA-290
An erythropoietin-derived peptide (cibinetide) studied in clinical trials on nerve-related pain. Not FDA-approved.
B7-33B7-33
A synthetic peptide derived from relaxin-2, studied in laboratory and animal research on fibrosis.
RetatrutideRetatrutide
Investigational triple-agonist medicine in clinical trials. Not FDA-approved.
CagrilintideCagrilintide
Investigational amylin analog in clinical trials. Not FDA-approved.
SurvodutideSurvodutide
Investigational medicine in clinical trials. Not FDA-approved.
MOTS-cMOTS-c
A mitochondria-derived peptide studied in metabolic research.
AOD-9604AOD-9604
A growth-hormone fragment studied in metabolism research.
5-Amino-1MQ5-Amino-1MQ
A small molecule (not a peptide) studied in lab metabolic research.
AICARAICAR
A compound used in laboratory research on cell energy.
Adipotide (FTPP)Adipotide (FTPP)
An experimental peptide studied in animal research on the blood supply of fat tissue.
HGH Fragment 176-191HGH Fragment 176-191
A fragment of the growth hormone molecule studied in metabolism research.
SLU-PP-332SLU-PP-332
A small molecule (not a peptide) studied in mouse research on exercise-like metabolic effects.
EloralintideEloralintide
Investigational amylin-receptor medicine in clinical trials. Not FDA-approved.
CagriSemaCagriSema
Investigational combination of cagrilintide and semaglutide in clinical trials. Not FDA-approved.
TesofensineTesofensine
Studied in clinical research; not approved in the United States.
CJC-1295CJC-1295
A growth hormone–releasing hormone analog studied in early clinical research.
IpamorelinIpamorelin
A growth-hormone secretagogue studied in clinical research.
GHRP-2 · GHRP-6GHRP-2 · GHRP-6
Growth-hormone–releasing peptides used in research.
HexarelinHexarelin
A growth-hormone secretagogue studied in research settings.
IGF-1 LR3IGF-1 LR3
A lab-research analog of IGF-1.
MGF · PEG-MGFMGF · PEG-MGF
IGF-1 splice variants studied in muscle research.
Mod GRF 1-29Mod GRF 1-29
A modified fragment of growth hormone–releasing hormone, also called CJC-1295 without DAC.
SermorelinSermorelin
A GHRH analog; the FDA-approved brand was discontinued and no approved version is marketed today.
GHK-CuGHK-Cu
A copper peptide studied mostly in skin and cosmetic research.
EpitalonEpitalon
A short peptide studied in aging research, mostly in animals.
FOXO4-DRIFOXO4-DRI
A peptide studied in laboratory research on aging cells.
Snap-8Snap-8
A cosmetic peptide studied in topical skincare research.
AHK-CuAHK-Cu
A copper-binding tripeptide studied mainly in hair and skin research.
Matrixyl (palmitoyl pentapeptide-4)Matrixyl (palmitoyl pentapeptide-4)
A cosmetic peptide used in topical skincare products.
Argireline (acetyl hexapeptide-3)Argireline (acetyl hexapeptide-3)
A cosmetic peptide used in topical skincare products.
HumaninHumanin
A mitochondria-derived peptide studied in laboratory research on cell stress and aging.
Melanotan IIMelanotan II
A synthetic melanocortin analog. Not approved; regulators have warned consumers about unapproved tanning injections.
NAD+NAD+
A coenzyme found in every cell; not an FDA-approved drug.
GlutathioneGlutathione
An antioxidant made by the body; not approved as an injectable drug.
ACE-031ACE-031
A protein that blocks myostatin signaling; its clinical development was stopped early for safety reasons.
Follistatin-344Follistatin-344
A form of the protein follistatin, which binds myostatin, studied in muscle research.
BronchogenBronchogen
A short bioregulator peptide studied mostly in Russian laboratory research related to lung tissue.
CardiogenCardiogen
A short bioregulator peptide studied mostly in Russian laboratory research related to heart tissue.
CartalaxCartalax
A short bioregulator peptide studied mostly in Russian laboratory research related to cartilage.
ChonlutenChonluten
A short bioregulator peptide studied mostly in Russian laboratory research related to airway lining tissue.
CortagenCortagen
A short bioregulator peptide studied mostly in Russian laboratory research related to brain tissue.
CrystagenCrystagen
A short bioregulator peptide studied mostly in Russian laboratory research related to the immune system.
LivagenLivagen
A short bioregulator peptide studied mostly in Russian laboratory research on aging cells.
OvagenOvagen
A short bioregulator peptide studied mostly in Russian laboratory research related to liver tissue.
PancragenPancragen
A short bioregulator peptide studied mostly in Russian laboratory research related to the pancreas.
PinealonPinealon
A short bioregulator peptide studied mostly in Russian laboratory research related to nerve cells.
ProstamaxProstamax
A short bioregulator peptide studied mostly in Russian laboratory research related to prostate tissue.
TestagenTestagen
A short bioregulator peptide studied mostly in Russian laboratory research related to testicular tissue.
VesugenVesugen
A short bioregulator peptide studied mostly in Russian laboratory research related to blood vessels.
VilonVilon
A dipeptide bioregulator studied mostly in Russian laboratory research related to the immune system.
ThymogenThymogen
A dipeptide studied mostly in Russian research related to the immune system.
ThymalinThymalin
A thymus-derived peptide preparation used in Russia; not approved in the United States.
ThymulinThymulin
A zinc-dependent thymus hormone studied in immune research.
DihexaDihexa
A peptide-derived compound studied in animal research on memory.
AdamaxAdamax
A synthetic compound related to Semax, with limited published research.
Selank · SemaxSelank · Semax
Peptides approved in Russia; not approved in the United States.
DSIPDSIP
Delta sleep-inducing peptide, studied in sleep research.
Thymosin alpha-1Thymosin alpha-1
Approved in some countries; not approved in the United States.
Kisspeptin-10Kisspeptin-10
A hormone fragment studied in reproductive research.
VIPVIP
Vasoactive intestinal peptide, studied in research settings.
No compounds match that search.
Educational information only; not medical advice. FDA status is shown on each profile.