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UK Buying Guides
Where to Buy Research Peptides in the UK
Twenty-five compound-by-compound buying guides for UK researchers. Each one covers the purity specification, what a usable Certificate of Analysis must contain, the vial and pen formats available, current pricing in GBP, and how UK delivery and storage work.
- Buy Retatrutide in the UKTriple-agonist. Four options from £39 vial to £150 Revytal pen.Read guide
- Buy Tirzepatide in the UKDual-agonist. Vial at £72 or Zonjero pre-filled pen at £130.Read guide
- Buy BPC-157 in the UKFive options: 5 mg and 10 mg vials plus three TB-500 blends.Read guide
- Buy GHK-Cu in the UKCopper ratio matters as much as purity. Why colourless GHK-Cu is a red flag.Read guide
- Buy Semaglutide in the UKThe most counterfeited compound on the market. What proves identity.Read guide
- Buy TB-500 in the UKNot the same as thymosin beta-4. How to check which you are getting.Read guide
- Buy MOTS-c in the UKEncoded in mitochondrial DNA, not nuclear. Vial £23 or pen £70.Read guide
- Buy Ipamorelin in the UKFour options including the tesamorelin blend. Why it pairs with CJC-1295.Read guide
- Buy CJC-1295 in the UKWith DAC or without? They are not interchangeable. Three options compared.Read guide
- Buy Tesamorelin in the UKStabilised GHRH analogue. Why it costs more than sermorelin, legitimately.Read guide
- Buy Sermorelin in the UKGHRH 1-29 explained, and how it compares with longer-acting analogues.Read guide
- Buy KPV in the UKA three-residue peptide. Why identity beats purity on short sequences.Read guide
- Buy NAD+ in the UKA coenzyme, not a peptide. Handling rules are stricter for a reason.Read guide
- Buy Melanotan 2 in the UKVial, nasal spray or pen — and why Melanotan 1 is a different compound.Read guide
- Buy PT-141 in the UKStructurally close to Melanotan 2. Only mass spec tells them apart.Read guide
- Buy Selank in the UKTuftsin analogue. Not the same compound as Semax, despite the pairing.Read guide
- Buy Epithalon in the UKEpithalon or Epitalon? The sequence on the COA is what identifies it.Read guide
- Buy AOD-9604 in the UKA defined 176-191 fragment. If the COA omits the range, it is incomplete.Read guide
- Buy DSIP in the UKThe cheapest peptide in the catalogue. Why low price is not a quality signal.Read guide
- Buy Kisspeptin in the UKSold in several fragment lengths. Which one are you actually ordering?Read guide
- Buy GHRP-6 in the UKRoutinely confused with GHRP-2 in listings. They are different molecules.Read guide
- Buy PEG-MGF in the UKPegylation changes the molecular weight. Check the COA reflects it.Read guide
- Buy IGF-1 LR3 in the UKA 70-residue recombinant protein. Cold chain matters more here than anywhere.Read guide
- Buy Peptide Blends in the UKFive blends compared, and when a blend is the wrong analytical choice.Read guide
- Buy Bacteriostatic Water in the UKBacteriostatic or sterile? Getting this wrong ruins the sample.Read guide
- Browse the Full CatalogueEvery compound in stock with current GBP pricing, batch documentation and same-day dispatch.Shop all peptides
- Certificates of AnalysisHow our batch testing works, what each COA reports, and which laboratories perform the analysis.View testing
What Every Guide Covers
How to Judge a UK Peptide Supplier
The UK research peptide market has grown quickly, and quality between suppliers varies more than most buyers expect. Two vials with identical labels can differ substantially in actual peptide content, residual solvent levels and stability. Every guide above applies the same four checks.
- STEP 01
Batch-Specific COA
A generic Certificate of Analysis reused across every order tells you nothing. A usable COA carries a lot number matching the vial you receive, the analysis date, the method, and the name of the laboratory that performed the work.
- STEP 02
The Analytical Method
“99% pure” is a claim. HPLC with a published chromatogram is evidence, because the chromatogram shows peak separation and reveals whether the figure reflects the main peak.
- STEP 03
Identity Confirmation
HPLC establishes purity. Mass spectrometry confirms the compound is the molecule stated on the label, with the expected molecular weight. Purity without identity is incomplete.
- STEP 04
Handling In Transit
Lyophilised peptides tolerate ambient temperature briefly, but repeated temperature cycling degrades them. Packaging and transit time matter as much as synthesis quality.
All compounds are supplied strictly for laboratory research. They are not medicines, not for human or veterinary consumption, and not for diagnostic use.