Peptide Library
Peptide Library
A plain-language reference to commonly studied research peptides — name and aliases, classification, and the areas they're studied and investigated for. Each entry links to a full page with mechanism, research history, and cited primary literature. Looking for how much and how often? See the dosing guides.
BPC-157
Body Protection Compound-157 · PL 14736 · Bepecin
Studied in: Tissue repair · Gastrointestinal · Angiogenesis
TB-500
Thymosin Beta-4 fragment · TΒ4 (related)
Studied in: Actin regulation · Tissue repair · Cell migration
GHK-Cu
Copper tripeptide-1 · Glycyl-L-histidyl-L-lysine:copper
Studied in: Skin support structure · Skin research · Gene expression
NAD+
Nicotinamide adenine dinucleotide
Studied in: Cellular energy · Redox metabolism · Aging research
Retatrutide
LY3437943 · GGG tri-agonist
Studied in: GIP/GLP-1/glucagon · Metabolic research · Receptor signaling
Tesamorelin
TH9507 · GRF analog
Studied in: GHRH signaling · Growth-hormone axis · Metabolic research
MOTS-c
Mitochondrial ORF of the 12S rRNA type-c
Studied in: Mitochondrial signaling · Metabolic regulation · Exercise biology
CJC-1295
Modified GRF (1-29) · DAC:GRF
Studied in: GHRH signaling · Growth-hormone axis · Peptide half-life
Ipamorelin
NNC 26-0161
Studied in: Ghrelin receptor · GH secretagogue · Receptor selectivity
Semax
ACTH(4-7) analog · Met-Glu-His-Phe-Pro-Gly-Pro
Studied in: Nerve-cell growth · BDNF · Neuroscience research
Tirzepatide
LY3298176 · GIP/GLP-1 dual agonist
Studied in: GIP/GLP-1 · Blood-sugar signals · Metabolic research
Semaglutide
GLP-1 receptor agonist · NN9535
Studied in: Blood-sugar signals · Appetite · Weight & fat loss
Cagrilintide
AM833 · long-acting amylin analog
Studied in: Appetite · Weight & fat loss · Amylin signal
AOD-9604
hGH fragment 176-191 · AOD9604
Studied in: Fat metabolism · Weight & fat loss · GH fragment
Tesofensine
NS2330
Studied in: Appetite · Weight & fat loss · Brain chemistry
MK-677 (Ibutamoren)
Ibutamoren · MK-0677 · L-163191
Studied in: Growth hormone & IGF-1 · Ghrelin pathway · Oral compound
Sermorelin
GRF(1-29) · GHRH(1-29)
Studied in: Growth-hormone signal · Growth hormone & IGF-1 · GHRH
Hexarelin
Examorelin · EP23905
Studied in: Ghrelin pathway · Growth hormone & IGF-1 · Heart (studied)
GHRP-2
Pralmorelin · KP-102
Studied in: Ghrelin pathway · Growth hormone & IGF-1 · GH secretagogue
GHRP-6
Growth Hormone Releasing Peptide-6 · SKF-110679
Studied in: Ghrelin pathway · Growth hormone & IGF-1 · Appetite
KPV
Lysine-Proline-Valine · α-MSH(11-13)
Studied in: Inflammation · Gut research · Immune signaling
Larazotide
Larazotide acetate · AT-1001
Studied in: Gut barrier · Celiac research · Tight junctions
Selank
TP-7 · tuftsin analog
Studied in: Anxiety research · Brain messengers · Calm/focus
Melanotan II
MT-II · MT-2
Studied in: Skin pigment · Melanocortin system · Appetite (studied)
PT-141 (Bremelanotide)
Bremelanotide · Vyleesi
Studied in: Sexual function · Melanocortin system · Brain signaling
Epitalon
Epithalon · Epithalone · AEDG peptide
Studied in: Aging research · Telomeres · Sleep/melatonin
DSIP
Delta Sleep-Inducing Peptide
Studied in: Sleep research · Stress · Brain signaling
Thymosin Alpha-1
Tα1 · Thymalfasin · Zadaxin
Studied in: Immune signaling · Infection research · T-cells
Humanin
HN · MT-RNR2 peptide
Studied in: Cell protection · Aging research · Brain (studied)
Elamipretide (SS-31)
SS-31 · MTP-131 · Bendavia
Studied in: Mitochondrial function · Energy production · Heart & muscle (studied)
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This library is an educational reference. It describes what compounds are studied for in the scientific literature — not approved uses or outcomes. Always consult the cited primary sources.