Research-grade peptides · Third-party tested
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Peptide Research Library

Comprehensive research summaries for every peptide we carry. Each profile includes mechanism of action, peer-reviewed study citations from PubMed, and key findings — giving you the scientific foundation to evaluate our products.

BPC-157
Body Protection Compound
Regenerative Medicine & Tissue Engineering
BPC-157 is a synthetic pentadecapeptide derived from human gastric juice protein. It promotes healing through upregulation of the FAK-paxillin pathway and VEGF-mediated angiogen...
📄 5 studies 🔬 5 key findings
TB-500
Thymosin Beta-4 Fragment
Regenerative Medicine & Tissue Engineering
TB-500 (Thymosin Beta-4) is a 43-amino acid peptide that sequesters G-actin monomers to regulate actin polymerization, promoting cell migration and proliferation. It activates i...
📄 5 studies 🔬 5 key findings
SS-31
Elamipretide
Regenerative Medicine & Tissue Engineering
SS-31 (Elamipretide) is a synthetic tetrapeptide that selectively targets mitochondrial cardiolipin on the inner membrane. It stabilizes electron transport chain complexes, prev...
📄 5 studies 🔬 5 key findings
GHK-Cu
Copper Peptide Complex
Dermatological Science & Cutaneous Biology
GHK-Cu is a naturally occurring tripeptide-copper complex found in human plasma that declines with age. It stimulates collagen I, III, and elastin synthesis via TGF-beta signali...
📄 4 studies 🔬 4 key findings
KPV
Alpha-MSH Tripeptide
Dermatological Science & Cutaneous Biology
KPV (Lys-Pro-Val) is the C-terminal tripeptide of alpha-MSH that retains potent anti-inflammatory activity without melanogenic effects. It inhibits NF-kB nuclear translocation, ...
📄 4 studies 🔬 4 key findings
Semaglutide 5mg
GLP-1 Receptor Agonist
Metabolic Regulation & Energy Homeostasis
Semaglutide is a long-acting GLP-1 receptor agonist with 94% homology to native GLP-1. A C-18 fatty diacid enables albumin binding and ~7-day half-life. It enhances glucose-depe...
📄 4 studies 🔬 4 key findings
Tirzepatide 15mg
GLP-1/GIP Dual Agonist
Metabolic Regulation & Energy Homeostasis
Tirzepatide is a first-in-class dual GIP and GLP-1 receptor agonist. The GIP component enhances beta-cell insulin secretion and promotes fat oxidation, while GLP-1 activation pr...
📄 4 studies 🔬 4 key findings
Retatrutide 10mg
GLP-1/GIP/Glucagon Tri-Agonist
Metabolic Regulation & Energy Homeostasis
Retatrutide (LY3437943) is a first-in-class triple GIP/GLP-1/glucagon receptor agonist. The glucagon component activates hepatic lipid oxidation, increases energy expenditure th...
📄 2 studies 🔬 3 key findings
Cagrilintide 5mg
Amylin Analog
Metabolic Regulation & Energy Homeostasis
Cagrilintide is a long-acting amylin receptor agonist with fatty acid acylation for once-weekly dosing. It activates area postrema neurons for central appetite suppression, dela...
📄 2 studies 🔬 2 key findings
5-Amino-1MQ
NNMT Inhibitor
Metabolic Regulation & Energy Homeostasis
5-Amino-1MQ is a selective inhibitor of nicotinamide N-methyltransferase (NNMT), an enzyme overexpressed in adipose tissue. NNMT inhibition increases intracellular NAD+ availabi...
📄 3 studies 🔬 3 key findings
SLUPP-332 250mcg
ERRg Activator
Metabolic Regulation & Energy Homeostasis
SLU-PP-332 is a first-in-class synthetic pan-agonist of estrogen-related receptors (ERRalpha/beta/gamma) that mimics exercise pharmacologically. ERR activation upregulates mitoc...
📄 3 studies 🔬 3 key findings
Ipamorelin
Growth Hormone Secretagogue
Endocrinology & Somatotropic Signaling
Ipamorelin is a highly selective pentapeptide ghrelin receptor (GHS-R1a) agonist. Unlike other GH secretagogues, it stimulates GH release without affecting cortisol, prolactin, ...
📄 3 studies 🔬 3 key findings
CJC-1295 with DAC
GHRH Analog (DAC)
Endocrinology & Somatotropic Signaling
CJC-1295 with DAC is a synthetic GHRH(1-29) analogue modified with a maleimidopropionic acid linker enabling covalent albumin binding. This extends half-life from minutes to 6-8...
📄 1 studies 🔬 3 key findings
Tesamorelin
GHRH Analog
Endocrinology & Somatotropic Signaling
Tesamorelin is a stabilized GHRH(1-44) analogue with an N-terminal modification. FDA-approved as Egrifta for HIV-associated lipodystrophy, it specifically promotes visceral adip...
📄 4 studies 🔬 2 key findings
Sermorelin
GHRH(1-29)
Endocrinology & Somatotropic Signaling
Sermorelin (GRF 1-29) is the biologically active N-terminal fragment of endogenous GHRH. It binds pituitary GHRH receptors to trigger cAMP-PKA-mediated GH gene transcription and...
📄 4 studies 🔬 3 key findings
MOTS-C
Mitochondrial ORF
Metabolic Regulation & Energy Homeostasis
MOTS-c is a 16-amino acid mitochondrial-derived peptide encoded in the 12S rRNA gene — the first known mitochondrial-encoded peptide with hormonal function (mitokine). It activa...
📄 4 studies 🔬 3 key findings
Melanotan-I
Afamelanotide
Melanocortin Biology & Reproductive Science
Melanotan-I (Afamelanotide) is a synthetic linear alpha-MSH analogue that selectively activates MC1R on melanocytes, stimulating eumelanin production through cAMP-PKA-CREB-MITF ...
📄 3 studies 🔬 3 key findings
Melanotan-II
Cyclic MSH Analog
Melanocortin Biology & Reproductive Science
Melanotan-II is a synthetic cyclic heptapeptide alpha-MSH analogue with broad melanocortin receptor activity (MC1R-MC5R). Beyond melanogenesis via MC1R, MC3R/MC4R activation in ...
📄 4 studies 🔬 3 key findings
PT-141
Bremelanotide
Melanocortin Biology & Reproductive Science
PT-141 (Bremelanotide, Vyleesi) selectively activates MC3R and MC4R in the hypothalamus, producing sexual arousal through central dopaminergic pathways rather than peripheral va...
📄 4 studies 🔬 3 key findings
Semax
ACTH(4-7)-PGP
Neuropharmacology & Cognitive Enhancement
Semax is a synthetic heptapeptide analogue of ACTH(4-10) that enhances BDNF and NGF expression through TrkB receptor signaling, modulates serotonergic and dopaminergic systems, ...
📄 4 studies 🔬 3 key findings
Selank
TP-7 Peptide
Neuropharmacology & Cognitive Enhancement
Selank is a synthetic heptapeptide combining immunomodulatory tuftsin (Thr-Lys-Pro-Arg) with a Pro-Gly-Pro extension. It modulates GABA-A receptor allosteric sites producing anx...
📄 4 studies 🔬 4 key findings
DSIP
Delta Sleep-Inducing Peptide
Neuropharmacology & Cognitive Enhancement
DSIP (Delta Sleep-Inducing Peptide) is a naturally occurring nonapeptide first isolated from rabbit cerebral venous blood. It enhances delta-wave EEG through GABA-A receptor pos...
📄 4 studies 🔬 3 key findings
Epithalon
Epitalon
Geroprotection & Immunomodulation
Epithalon (Epitalon, Ala-Glu-Asp-Gly) is a synthetic tetrapeptide analogue of epithalamin from the pineal gland. It activates telomerase reverse transcriptase (hTERT) expression...
📄 3 studies 🔬 3 key findings
NAD+ 500mg
Nicotinamide Adenine Dinucleotide
Geroprotection & Immunomodulation
NAD+ is the primary electron carrier in mitochondrial oxidative phosphorylation. It activates sirtuins (SIRT1-7) which regulate DNA repair, mitochondrial biogenesis, and stress ...
📄 4 studies 🔬 3 key findings
Thymosin Alpha-1
Immune Peptide
Geroprotection & Immunomodulation
Thymosin Alpha-1 (Thymalfasin, Zadaxin) is a 28-amino acid thymic peptide. It activates TLR2/TLR9 on dendritic cells, promotes T-cell priming, enhances CD4+/CD8+ maturation, inc...
📄 4 studies 🔬 3 key findings
Kisspeptin
Metastin
Geroprotection & Immunomodulation
Kisspeptin is a family of peptides encoded by the KISS1 gene that bind GPR54 on GnRH neurons. Kisspeptin-GPR54 signaling serves as the master switch for the HPG axis, controllin...
📄 4 studies 🔬 3 key findings