Peptide Reference Guide | A-Z Research Peptides Database UK

Research Compound Reference

A–Z reference guide to every research peptide and small-molecule compound we supply. Each page describes the compound’s sequence, receptor targets, stability profile and how it is characterised in the peer-reviewed literature. All compounds are supplied for in-vitro laboratory research only.

Cofactor Research

Methylcobalamin (B12) – Methylcobalamin is a bioactive form of vitamin B12 characterised in the biochemical literature as a cofactor in methionine synthase.

GHRH / Secretagogue Research

CJC 1295 (with DAC) – CJC 1295 with Drug Affinity Complex (DAC) is a synthetic GHRH analogue with a maleimide-linked DAC modification designed to bind serum albumin, extending the compound’s half-life in characterised research models.
CJC 1295 (without DAC) – CJC 1295 without DAC, also known in the literature as Mod GRF 1-29, is a synthetic GHRH analogue comprising the first 29 amino acids of GHRH with four amino-acid substitutions for stability.
GHRP-2 – GHRP-2 is a synthetic hexapeptide characterised in the literature as a ghrelin-receptor agonist and growth-hormone secretagogue.
GHRP-6 – GHRP-6 is a synthetic hexapeptide characterised in the literature as a ghrelin-receptor agonist.
HGH (Somatropin) – Human Growth Hormone (Somatropin) is a 191-amino-acid recombinant peptide hormone identical in sequence to endogenous pituitary-derived growth hormone.
IGF-1 LR3 – IGF-1 LR3 (Long-Arg3 IGF-1) is a modified 83-amino-acid analogue of insulin-like growth factor-1 with an arginine substitution at position 3 and an N-terminal 13-amino-acid extension.
Ipamorelin – Ipamorelin is a synthetic pentapeptide characterised in the literature as a selective agonist at the ghrelin / growth-hormone-secretagogue receptor.
Sermorelin – Sermorelin is a synthetic peptide corresponding to the first 29 amino acids of growth-hormone-releasing hormone (GHRH 1-29).
Tesamorelin – Tesamorelin is a synthetic GHRH analogue comprising the 44-amino-acid GHRH sequence with an N-terminal trans-3-hexenoyl modification.

Hormonal Research

HCG – Human Chorionic Gonadotropin (HCG) is a glycoprotein hormone characterised in the biochemical literature for its LH-mimetic properties at the LH/CG receptor.

Longevity Research

Epithalon – Epithalon (Epitalon) is a synthetic tetrapeptide with the sequence Ala-Glu-Asp-Gly, derived from the polypeptide Epithalamin isolated from the pineal gland.
GHK-Cu – GHK-Cu is a naturally occurring copper-binding tripeptide (glycyl-L-histidyl-L-lysine) complexed with copper(II).
Glutathione – Glutathione is an endogenous tripeptide (γ-L-glutamyl-L-cysteinyl-glycine) characterised in the biochemical literature as the principal intracellular thiol antioxidant.
MOTS-c – MOTS-c is a 16-amino-acid mitochondrial-derived peptide encoded within the 12S rRNA of mitochondrial DNA.
NAD+ – NAD+ (Nicotinamide Adenine Dinucleotide) is a ubiquitous cellular coenzyme characterised in the literature for its role in redox reactions, sirtuin activity and mitochondrial function in preclinical models.

Melanocortin Research

MT-1 (Afamelanotide) – Melanotan-1 (Afamelanotide) is a synthetic 13-amino-acid analogue of α-melanocyte-stimulating hormone (α-MSH).
Melanotan 2 (MT-2) – Melanotan-2 is a synthetic cyclic heptapeptide analogue of α-MSH characterised in the literature as a non-selective melanocortin receptor agonist with activity at MC1R, MC3R, MC4R and MC5R.
PT-141 (Bremelanotide) – PT-141 (Bremelanotide) is a synthetic cyclic heptapeptide analogue of α-MSH, characterised in the literature for its activity at melanocortin receptors, particularly MC4R.

Metabolic Research

5-Amino-1MQ – 5-Amino-1-methylquinolinium (5-Amino-1MQ) is a small-molecule research compound characterised in preclinical literature as a selective inhibitor of nicotinamide N-methyltransferase (NNMT).
AICAR – AICAR (Acadesine, 5-aminoimidazole-4-carboxamide ribonucleotide) is a small-molecule analogue of AMP characterised in the literature as an activator of AMP-activated protein kinase (AMPK) in cellular models.
AOD9604 – AOD9604 is a synthetic 16-amino-acid peptide corresponding to residues 176-191 of the C-terminus of the growth-hormone polypeptide, closed with a disulfide bond.
Adipotide – Adipotide (FTPP) is a synthetic peptidomimetic characterised in preclinical literature for its interaction with prohibitin on adipose vasculature endothelium.
Cagrilintide – Cagrilintide is a long-acting synthetic analogue of amylin, characterised in the literature for its activity at amylin and calcitonin receptors.
Dulaglutide – Dulaglutide is a GLP-1 receptor agonist constructed as an Fc-fusion protein, giving it a larger molecular weight and extended half-life relative to native GLP-1.
Liraglutide – Liraglutide is a synthetic GLP-1 receptor agonist with approximately 97% sequence homology to native human GLP-1.
Mazdutide – Mazdutide is a synthetic peptide characterised in the literature as a dual agonist at the GLP-1 and glucagon receptors.
Retatrutide – Retatrutide is a synthetic peptide characterised in the literature as a triple agonist at the GLP-1, GIP and glucagon receptors.
Semaglutide – Semaglutide is a 31-amino-acid peptide characterised in the literature as an agonist at the glucagon-like peptide-1 (GLP-1) receptor, sharing approximately 94% sequence homology with native human GLP-1.
Tirzepatide – Tirzepatide is a synthetic 39-amino-acid peptide characterised in the literature as a dual agonist at the glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-1 (GLP-1) receptors.

Neuropeptide Research

Adamax – Adamax (Semax Adamantyl) is a modified analogue of Semax with an adamantyl substitution characterised in the literature for altered bioavailability relative to the parent sequence.
DSIP – DSIP (Delta Sleep-Inducing Peptide) is a nine-amino-acid neuropeptide characterised in the literature for its effects on delta-wave electroencephalographic activity in preclinical models.
Kisspeptin-10 – Kisspeptin-10 is a 10-amino-acid C-terminal fragment of kisspeptin, characterised in the literature as an agonist at the KISS1R (GPR54) receptor.
Melatonin – Melatonin (N-acetyl-5-methoxytryptamine) is an indoleamine characterised in the literature for its role in circadian signalling via the melatonin receptors MT1R and MT2R (not to be confused with the unrelated melanocortin analogue series).
Oxytocin – Oxytocin is a nine-amino-acid cyclic neuropeptide characterised in the biochemical literature as an agonist at the oxytocin receptor (OXTR).
Selank – Selank is a synthetic heptapeptide derived from the immunomodulatory peptide tuftsin with a C-terminal Pro-Gly-Pro extension.
Semax – Semax is a synthetic heptapeptide derived from the N-terminal fragment of adrenocorticotropic hormone (ACTH 4-7) with a C-terminal Pro-Gly-Pro extension.

Other Research

ACE-031 – ACE-031 is a soluble form of the activin type IIB receptor (ActRIIB-Fc fusion protein) characterised in preclinical literature for its role in myostatin-signalling pathway research.
ACTH 1-39 – ACTH 1-39 (Adrenocorticotropic Hormone) is a 39-amino-acid polypeptide characterised in the biochemical literature as the principal agonist at the melanocortin-2 receptor (MC2R) on the adrenal cortex.

Regenerative Research

ARA290 – ARA290 (Cibinetide) is a synthetic 11-amino-acid peptide derived from the B-helix of erythropoietin.
BPC-157 – BPC-157 (Body Protection Compound-157) is a synthetic pentadecapeptide derived from a partial sequence of human gastric juice protein.
KLOW Blend – The KLOW research blend combines four peptides in a single lyophilised vial: BPC-157 (10 mg), GHK-Cu (50 mg), TB-500 (10 mg) and KPV (10 mg).
TB-500 – TB-500 is a synthetic fragment of Thymosin Beta-4, a naturally occurring 43-amino-acid peptide characterised in the literature for its role in actin sequestration and cellular migration in preclinical models.
Thymosin Alpha-1 – Thymosin Alpha-1 is a synthetic 28-amino-acid peptide identical to a fragment of the naturally occurring protein prothymosin alpha.