The peptide & compound research library.

BPC-157

Body Protection Compound 157 · Pentadecapeptide BPC 157

A synthetic 15-amino-acid sequence derived from a protective protein identified in gastric juice, widely studied in pre-clinical injury models.

TB-500 (Thymosin β-4 fragment)

Thymosin Beta 4 · Tβ4

A synthetic acetylated tetrapeptide based on the active region of thymosin β-4, an actin-sequestering protein studied in tissue-repair research.

GHK-Cu (Copper Peptide)

Glycyl-L-Histidyl-L-Lysine Copper · Copper Tripeptide-1

A naturally occurring copper-binding tripeptide (Gly-His-Lys) extensively investigated in pre-clinical skin, hair-follicle and wound research.

CJC-1295

Modified GRF (1-29) · CJC-1295 DAC

A synthetic analogue of growth hormone-releasing hormone (GHRH 1-29) with substitutions designed to increase plasma stability in animal studies.

Ipamorelin

A synthetic pentapeptide growth-hormone secretagogue described in early animal pharmacology as a selective GH-releaser with minimal effect on cortisol or prolactin.

Sermorelin

GRF (1-29) · GHRH 1-29

A synthetic peptide corresponding to amino acids 1-29 of human growth hormone-releasing hormone, the shortest fragment retaining full biological activity in animal pharmacology.

Tesamorelin

A stabilised GHRH analogue (trans-3-hexenoyl-GHRH 1-44) studied in clinical trials of visceral adipose tissue in HIV-associated lipodystrophy.

Hexarelin

A synthetic hexapeptide growth hormone secretagogue developed in the 1990s and studied in cardiovascular and GH-release research.

GHRP-2

Growth-Hormone-Releasing Peptide 2, a synthetic hexapeptide ghrelin-receptor agonist studied as a GH-release tool in pre-clinical pharmacology.

GHRP-6

An earlier-generation hexapeptide GH secretagogue, historically important in the discovery of the ghrelin receptor.

MK-677 (Ibutamoren)

Ibutamoren · MK 677

An orally active small-molecule ghrelin-receptor agonist studied in pre-clinical and clinical pharmacology of the GH/IGF-1 axis.

Semaglutide

A long-acting GLP-1 receptor agonist extensively studied in metabolic and weight-management clinical pharmacology.

Tirzepatide

A dual GIP/GLP-1 receptor agonist studied in glucose-control and weight-management clinical trials.

Retatrutide

An investigational triple agonist at the GLP-1, GIP and glucagon receptors studied in early-phase weight-management trials.

AOD-9604

A synthetic peptide based on the C-terminal fragment (177-191) of human growth hormone, studied in pre-clinical lipolysis research.

5-Amino-1MQ

A small-molecule selective inhibitor of nicotinamide N-methyltransferase (NNMT) studied in pre-clinical metabolic models.

Selank

A synthetic heptapeptide (TKPRPGP) based on the immunomodulatory peptide tuftsin, studied in Russian pre-clinical anxiolytic research.

Semax

A synthetic heptapeptide analogue of ACTH(4-7) with a Pro-Gly-Pro extension, studied in Russian pre-clinical neuroprotection research.

DSIP (Delta Sleep-Inducing Peptide)

A nine-amino-acid peptide originally isolated from rabbit cerebral venous blood during electrically induced sleep, studied in pre-clinical sleep and stress models.

Melanotan II

MT-II · MT2

A synthetic cyclic analogue of α-melanocyte stimulating hormone (α-MSH), studied in pre-clinical pigmentation and sexual-behaviour research.

PT-141 (Bremelanotide)

A cyclic heptapeptide melanocortin receptor agonist, the active metabolite of Melanotan II, studied in central nervous system pathways of sexual arousal.

LL-37

Cathelicidin LL-37 · hCAP-18

A 37-amino-acid cathelicidin host-defence peptide, the only known human cathelicidin, studied in pre-clinical antimicrobial and immunomodulation research.

Thymosin α-1

Tα1 · Thymalfasin

A 28-amino-acid peptide originally isolated from thymic tissue, studied in pre-clinical and clinical immunomodulation research.

KPV

α-MSH (11-13) · Lysine-Proline-Valine

A tripeptide corresponding to the C-terminal sequence of α-MSH, studied in pre-clinical models of intestinal inflammation.

Epitalon

Epithalon · Ala-Glu-Asp-Gly

A synthetic tetrapeptide (Ala-Glu-Asp-Gly) developed in Russian pre-clinical research into pineal-gland biology and telomere biology.

MOTS-c

A 16-amino-acid mitochondrial-derived peptide encoded by the 12S rRNA region of mtDNA, studied in metabolic and ageing research.

SS-31 (Elamipretide)

A mitochondrial-targeted tetrapeptide that binds cardiolipin on the inner mitochondrial membrane, studied in pre-clinical mitochondrial-dysfunction models.

Humanin

A 24-amino-acid mitochondrial-derived peptide encoded within the 16S rRNA region of mtDNA, studied in pre-clinical cytoprotection research.

NAD+

Nicotinamide Adenine Dinucleotide

A central redox coenzyme involved in electron transfer in glycolysis, the TCA cycle and oxidative phosphorylation, and a co-substrate for sirtuins, PARPs and CD38.

NMN (Nicotinamide Mononucleotide)

A direct biosynthetic precursor of NAD+ studied in pre-clinical models of ageing and metabolic decline.

NR (Nicotinamide Riboside)

An NAD+ precursor entering the salvage pathway via NRK1/2, studied in pre-clinical and clinical NAD+ research.

Glutathione

A tripeptide (γ-glutamyl-cysteinyl-glycine) and the most abundant intracellular thiol antioxidant, central to redox balance and phase-II detoxification.

Methylene Blue

A century-old phenothiazine dye studied in pre-clinical mitochondrial-bioenergetic and neuroprotection research.

Vitamin D3 (Cholecalciferol)

The secosteroid form of vitamin D produced in skin from 7-dehydrocholesterol on UVB exposure, and a substrate for hepatic 25-hydroxylation to 25(OH)D.

Vitamin B12 (Methylcobalamin)

A cobalt-containing coenzyme essential for methionine synthase and methylmalonyl-CoA mutase, two reactions central to methylation and odd-chain fatty-acid metabolism.