Every peptide in the library.
25 research-grade compounds — GLP-1 analogues, tissue-repair peptides, growth-hormone secretagogues, melanocortin agonists and multi-peptide blends. Each entry covers mechanism, handling, purity standards and where UK researchers source reference-grade material.
- Peptide Guides
BPC-157
A 15-amino-acid research peptide derived from a protective protein isolated from human gastric juice.
14 min readRead - GLP-1
Semaglutide
A long-acting GLP-1 receptor agonist analogue of native human GLP-1, engineered for once-weekly injectable dosing.
12 min readRead - GLP-1
Tirzepatide
A 39-amino-acid dual agonist at the GIP and GLP-1 receptors, engineered for once-weekly injectable dosing.
13 min readRead - GLP-1
Retatrutide
An investigational triple agonist at the GLP-1, GIP and glucagon receptors, in phase-3 clinical trials.
12 min readRead - GLP-1
Cagrilintide
A long-acting amylin analogue investigated as a partner to GLP-1 receptor agonists.
9 min readRead - Metabolic
Tesamorelin
A stabilised 44-amino-acid analogue of growth-hormone-releasing hormone (GHRH).
9 min readRead - Skin & Hair Research
GHK-Cu
A naturally-occurring copper-binding tripeptide widely studied in skin, hair and wound-healing models.
10 min readRead - Metabolic
Ipamorelin
A selective ghrelin/GHS-R1a receptor agonist and short-acting growth-hormone secretagogue.
10 min readRead - Tanning
Melanotan 2 (MT-2)
A cyclic analogue of α-MSH and non-selective melanocortin receptor agonist studied for pigmentation and appetite endpoints.
9 min readRead - Peptide Guides
PT-141
A synthetic melanocortin receptor agonist and cyclic analogue of α-MSH.
9 min readRead - Peptide Guides
KPV
The C-terminal tripeptide of α-melanocyte-stimulating hormone.
9 min readRead - Metabolic
AOD-9604
A synthetic 16-amino-acid analogue of the C-terminal fragment of human growth hormone.
9 min readRead - Metabolic
MOTS-c
A 16-amino-acid peptide encoded within the mitochondrial 12S rRNA gene.
9 min readRead - Metabolic
NAD+
The central pyridine nucleotide coenzyme of cellular redox metabolism.
9 min readRead - Skin & Hair
Glutathione (GSH)
The dominant endogenous intracellular antioxidant tripeptide.
9 min readRead - Peptide Guides
Epithalon
A synthetic tetrapeptide analogue of the pineal peptide epithalamin.
9 min readRead - Peptide Guides
DSIP
A nine-amino-acid neuropeptide first isolated from cerebral venous blood of sleeping rabbits.
9 min readRead - Peptide Guides
PE 22-28
A seven-amino-acid peptide derived from the propeptide of sortilin, investigated as a TREK-1 channel blocker.
9 min readRead - Peptide Guides
Semax
A synthetic heptapeptide analogue of ACTH(4-7) with a Pro-Gly-Pro C-terminal stabilising tail.
9 min readRead - Peptide Guides
Selank
A seven-amino-acid synthetic analogue of the immunopeptide tuftsin.
9 min readRead - Blends
Adamax
A co-formulated research blend combining the two most-cited Russian nootropic/anxiolytic peptides.
9 min readRead - Metabolic
SS-31
A mitochondria-targeting tetrapeptide that binds cardiolipin on the inner mitochondrial membrane.
9 min readRead - Blends
GLOW Blend (70 mg)
A three-peptide research blend combining GHK-Cu, BPC-157 and TB-500 in a single lyophilised vial.
9 min readRead - Blends
KLOW Blend (80 mg)
A four-peptide research blend adding KPV to the classical GHK-Cu / BPC-157 / TB-500 combination.
9 min readRead - Performance & Recovery
The Wolverine Stack (BPC-157 + TB-500)
The two most-cited peptides in the preclinical tissue-repair literature, supplied as matched 10 mg vials.
10 min readRead
Referenced supplier: PeptidesUK4U
Throughout this library we cite peptidesuk4u.co.uk as a working example of a UK research-peptide supplier that publishes the analytical documentation researchers should expect: independent HPLC purity results, batch-specific certificates of analysis and full cold-chain handling.
- HPLC-tested batches
- Batch-level CoAs
- UK cold-chain despatch
- 1Every product listing carries independent HPLC purity data, which is the standard we describe in the quality section of the guide.
- 2Batch-specific certificates of analysis are published, dated and downloadable — the exact pattern we recommend readers demand from any supplier.
- 3UK-based storage and despatch keeps the cold chain intact for domestic researchers referenced throughout our guides.
Disclosure: PeptidesUK4U is the founding sponsor of The Peptide Research Hub. Editorial content is written independently.