Research peptides UK, explained
Clear, evidence-based guides to BPC-157, GHK-Cu, TB-500, KPV, retatrutide and more. What each compound is and what the published research shows.
For in vitro research use only. Not for human or animal consumption, medical or therapeutic use.
Fast, discreet delivery
UK-wide tracked shipping in plain outer packaging.
Secure ordering
Encrypted checkout processed on our official store.
Third-party tested
Janoshik.
HPLC purity tested
Every batch purity tested by Janoshik using HPLC.
Official notice: sterling-peptides.co.uk and sterling-research.com are our only two official websites. We are not connected to any other site using similar branding.
Featured research compounds
Our most-requested compounds, each with chemical data, published research and a batch-tested product.
Retatrutide
Triple agonist of the GIP, GLP-1 and glucagon receptors (LY3437943).
GHK-Cu
Copper-binding tripeptide studied in collagen and gene-expression research.
BPC-157
Stable 15-amino-acid peptide derived from a gastric-juice protein.
TB-500
Thymosin beta-4 related peptide studied in actin and repair models.
Tesamorelin
Stabilised GHRH analogue with extensive published clinical data.
KPV
Alpha-MSH derived tripeptide (Lys-Pro-Val) studied in intestinal and skin inflammation models.
Ipamorelin
Selective ghrelin-receptor (GHS-R1a) agonist pentapeptide.
CJC-1295 (no DAC)
Modified GRF (1-29): enzyme-resistant GHRH analogue with a short, pulse-like action.
CJC-1295 with DAC
Long-acting GHRH analogue that binds albumin, extending its half-life to days.
Tirzepatide
Dual agonist of the GIP and GLP-1 receptors (LY3298176).
Cagrilintide
Long-acting amylin analogue acting on amylin and calcitonin receptors.
MOTS-c
16-amino-acid peptide encoded in mitochondrial DNA, studied in AMPK signalling.
SS-31
Elamipretide: tetrapeptide that targets cardiolipin in the inner mitochondrial membrane.
NAD+
Central coenzyme in energy metabolism, sirtuin and DNA-repair research.
Epithalon
Synthetic tetrapeptide (Ala-Glu-Asp-Gly) studied in telomerase and pineal research.
Selank
Synthetic tuftsin analogue (TKPRPGP) studied in GABAergic and BDNF research.
Thymosin Alpha-1
28-amino-acid thymic peptide (thymalfasin) studied in T-cell and dendritic-cell signalling.
PT-141
Bremelanotide: cyclic melanocortin-4 receptor agonist derived from melanotan II.
GLOW Blend
70mg blend of GHK-Cu, BPC-157 and thymosin beta-4 for tissue-remodelling research.
KLOW Blend
80mg blend of GHK-Cu, BPC-157, TB-500 and KPV, adding inflammation research.
Browse by research area
Explore compounds grouped by the biological pathways they are studied in.
Research comparisons
Side-by-side comparisons of closely related research compounds.
Buy research peptides UK from Sterling Peptides
Sterling Peptides supplies research-grade peptides to laboratories, research institutions and professionals across the UK. Every batch is independently tested for purity by Janoshik before release, and each compound is synthesised, sealed and shipped under controlled conditions to preserve stability.
Our catalogue includes research compounds such as Retatrutide, Tirzepatide, Cagrilintide, Ipamorelin and GHK-Cu. Researchers looking to buy research peptides in the UK can explore our full range of laboratory-grade compounds for scientific study and analytical research.
We aim to provide consistent compound quality, transparent product information and secure ordering for laboratories and professionals conducting legitimate research.
- Third-party testedHPLC purity tested on every batch
- Controlled handlingSynthesised, sealed and shipped to preserve stability
- Research guidesChemical data and published research for every compound
- UK dispatchTracked delivery in discreet packaging
How ordering works
Choose your compounds
Browse the shop or start from a research guide to find the right compound and size.
Confirm research use
At checkout you confirm the order is solely for in vitro laboratory research.
Tracked UK dispatch
Your order is packed discreetly and sent by tracked delivery.
Frequently asked questions
Are these peptides for human use?
No. All compounds are supplied strictly for in vitro laboratory research. They are not for human or animal use, and not for diagnostic, therapeutic or medical purposes.
Which websites are official?
sterling-peptides.co.uk and sterling-research.com are the only two official Sterling websites. Orders are placed and processed securely through sterling-research.com.
How is purity verified?
Every batch is tested for purity by Janoshik, an independent laboratory, using HPLC before it is released for sale.
Where do you ship?
We ship within the UK using tracked delivery, in plain, discreet outer packaging.
Where can I learn more about each compound?
Our research guides cover chemical data, mechanism, published studies and UK regulatory status for each compound.
All products sold by Sterling Peptides Ltd are intended strictly for laboratory research purposes only. They are not intended for human consumption, medical use, veterinary use or therapeutic applications. Contact: contact@sterling-research.com
Every batch independently tested before release.
Illustration. For in vitro laboratory research only.
Research Calculator
A research-use calculator for laboratory reference and theoretical dilution calculations. Work out concentrations quickly when preparing solutions for in vitro experiments.
For research purposes only. Not for human or animal use.

