Lexicon
Peptides A–Z
All catalogued peptides alphabetically. Filter by evidence tier or click a letter.
Filter by evidence
Filtered: only peptides with at least one observation at tier “Human trial” · 20Clear filter ×
A1
B1
C1
D1
E1
G3
GHK-Cu
Human trialCosmetic · Copper Tripeptide-1
Endogenous tripeptide (glycyl-L-histidyl-L-lysine) that chelates copper(II) ions. Studied in skin models and small human trials on…
GHRP-2
Human trialGrowth · Pralmorelin
Synthetic hexapeptide of the GH secretagogue family. Approved in Japan as GHRP Kaken as a diagnostic test for GH deficiency. Not a…
GHRP-6
Human trialGrowth · Growth Hormone Releasing Peptide 6
Synthetic hexapeptide that founded the class of growth-hormone-releasing peptides (GHRPs). Cyril Bowers identified GHRP-6 in the l…
H1
I1
M2
Matrixyl
Human RCTCosmetic · Palmitoyl Pentapeptide-4
Synthetic pentapeptide (KTTKS) with a palmitoyl modification, marketed as a topical anti-aging ingredient (Lipotec/Sederma). Struc…
Melanotan II
Human trialResearch other · MT-II
Cyclic hepta-peptide and non-selective melanocortin-receptor agonist. Originally researched at the University of Arizona as a sun-…
S4
Selank
Human trialResearch other · TP-7
Synthetic heptapeptide derived from natural tuftsin. Approved as an anxiolytic (Selank) in Russia and some CIS states. Western pha…
Semax
Human trialResearch other · MEHFPGP
Synthetic heptapeptide derived from the N-terminal fragment of adrenocorticotropic hormone (ACTH 4-10). Approved in Russia for isc…
Sermorelin
Human RCTGrowth · GHRH(1-29)
Synthetic analogue of the first 29 amino acids of human GHRH. Stimulates pulsatile growth-hormone secretion from the pituitary. Fo…
SNAP-8
Human trialCosmetic · Acetyl Octapeptide-3
Synthetic octapeptide marketed as a topical anti-wrinkle ingredient (Centerchem/Lipotec). Structurally related to Argireline (Acet…
T4
Thymalin
Human trialHealing · Vilon (verwandtes Di-Peptid)
Complex of low-molecular polypeptides extracted from calf thymus. Approved in Russia since the 1970s as an immunomodulator. The ex…
Thymosin Alpha-1
Human RCTHealing · TA1
Synthetic 28-amino-acid peptide identical to a naturally occurring thymus peptide. Approved as Zadaxin in more than 30 countries (…
Tirzepatide
Human RCTMetabolic · LY3298176
Synthetic peptide that simultaneously activates the GLP-1 and GIP receptor (dual agonist). Approved in the US and EU for type 2 di…
Triptorelin
Human RCTResearch other · Decapeptyl
Synthetic decapeptide GnRH agonist with increased affinity over native gonadotropin-releasing hormone. FDA- and EMA-approved since…