Reference · 72 compounds
The peptide library
A neutral, browsable reference of peptides and related compounds: names, other names, half-lives and FDA status. No amounts and no claims about what anything does.
01Library overview
For informational and personal tracking purposes only. Not medical advice. Many compounds listed here are not FDA-approved; talk to a licensed healthcare provider.
02Browse compounds
FDA-approved, prescription only
11Approved formulations are prescription medicines, available only through a licensed provider.
Dulaglutide
Trulicity
A long-acting GLP-1 receptor agonist.
Exenatide
Byetta, Bydureon
A GLP-1 receptor agonist.
Gonadorelin
A GnRH analog used clinically in some indications.
HCG
Human Chorionic Gonadotropin
A hormone used clinically in specific indications.
Liraglutide
Saxenda, Victoza
A GLP-1 receptor agonist.
Melanotan I
Afamelanotide
A melanocortin agonist; an approved formulation exists for a rare condition.
Oxytocin
A naturally occurring hormone; approved forms exist for specific indications.
PT-141
Bremelanotide
A melanocortin-receptor agonist.
Sermorelin
A GHRH analog; some forms have historical regulatory status.
Somatropin
rhGH
Recombinant human growth hormone; approved for specific indications.
Tesamorelin
Egrifta
A GHRH analog; an approved formulation exists for a specific indication.
Not FDA-approved, research only
61Not approved by the FDA for human use. Listed for reference as research compounds.
5-Amino-1MQ
A small-molecule NNMT inhibitor studied in metabolic research.
Adipotide
A peptide studied in preclinical fat-tissue research.
AOD-9604
A modified fragment of growth hormone studied in metabolic research.
ARA-290
Cibinetide
An erythropoietin-derived peptide studied in tissue-protection research.
Argireline
Acetyl Hexapeptide-8
A topical cosmetic peptide.
B7-33
A relaxin-derived peptide studied in fibrosis research.
BPC-157
Body Protection Compound-157
A synthetic peptide studied in preclinical research for tissue-repair processes.
Cagrilintide
A long-acting amylin analog studied in metabolic research.
Cerebrolysin
A peptide preparation studied in neurological research (used clinically in some regions).
CJC-1295 (no DAC)
Mod GRF 1-29
A growth-hormone-releasing-hormone analog studied in research.
CJC-1295 with DAC
A long-acting GHRH analog with drug-affinity complex, studied in research.
Cortagen
A short peptide bioregulator studied in research.
Dihexa
An angiotensin-derived peptide studied in neuroplasticity research.
DSIP
Delta Sleep-Inducing Peptide
A peptide studied in sleep research.
Epitalon
Epithalon
A synthetic tetrapeptide studied in longevity research.
Follistatin-344
A myostatin-binding protein studied in muscle research.
FOXO4-DRI
A peptide studied in senescent-cell research.
GHK
A tripeptide (copper-free form) studied in regenerative research.
GHK-Cu
Copper peptide
A copper-binding tripeptide used in cosmetic research.
GHRP-2
A growth-hormone-releasing peptide studied in research.
GHRP-6
A growth-hormone-releasing peptide studied in research.
Glutathione
An endogenous antioxidant tripeptide.
Hexarelin
A potent growth-hormone-releasing peptide studied in research.
HGH Fragment 176-191
A growth-hormone fragment studied in metabolic research.
Humanin
A mitochondrial-derived peptide studied in cytoprotection research.
IGF-1
Insulin-like growth factor 1, studied in growth research.
IGF-1 DES
A truncated IGF-1 analog studied in research.
IGF-1 LR3
A long-acting analog of insulin-like growth factor 1 used in research.
Ipamorelin
A growth-hormone-secretagogue peptide studied in research settings.
Kisspeptin-10
A peptide studied in reproductive-hormone research.
KPV
A tripeptide fragment of α-MSH studied for inflammatory pathways.
L-Carnosine
A dipeptide studied as an antioxidant in research.
Larazotide
A peptide studied for intestinal barrier function.
LL-37
A human antimicrobial peptide studied in immune research.
Matrixyl
Palmitoyl Pentapeptide
A topical cosmetic peptide used in skincare.
Mazdutide
An investigational GLP-1/glucagon receptor agonist.
Melanotan II
A melanocortin agonist studied in research.
MGF
Mechano Growth Factor
An IGF-1 splice variant studied in muscle research.
MK-677
Ibutamoren
An orally active growth-hormone secretagogue studied in research.
MOTS-c
A mitochondrial-derived peptide studied in metabolic/longevity research.
NAD+
A coenzyme studied in metabolism/longevity research (not a peptide).
P21
A peptide studied in neurogenesis research.
PE-22-28
A spadin-derived peptide studied in mood/neuro research.
PEG-MGF
A pegylated, longer-acting MGF variant studied in research.
Pentadeca Arginate
PDA
A peptide studied in early tissue-repair research.
Pinealon
A short peptide bioregulator studied in research.
Pralmorelin
GHRP-2
A GH secretagogue used as a diagnostic agent in some regions.
Selank
A synthetic analog of tuftsin studied in anxiety/cognition research.
Semax
An ACTH-derived peptide studied in cognitive research (used clinically in some regions).
SLU-PP-332
An ERR agonist studied in exercise-mimetic research.
SNAP-8
A topical cosmetic peptide related to Argireline.
Spermidine
A polyamine studied in autophagy/longevity research (not a peptide).
SS-31
Elamipretide
A mitochondria-targeting peptide studied in clinical research.
Survodutide
An investigational GLP-1/glucagon dual agonist.
TB-500
Thymosin Beta-4
A synthetic fragment related to thymosin beta-4, examined in recovery research.
Tesofensine
An investigational small molecule studied for appetite/metabolism.
Thymalin
A thymic peptide preparation studied in immune research.
Thymosin Alpha-1
Tα1
A thymic peptide studied in immune research (used clinically in some regions).
Thymulin
A zinc-dependent thymic peptide studied in immune research.
Vesugen
A short peptide bioregulator studied in vascular research.
VIP
Vasoactive Intestinal Peptide
A signaling peptide studied in inflammatory and respiratory research.