Is UKMAXX legit? An independent review
UKMAXX publishes six own-name Janoshik certificates, each naming UKMAXX as the client and verifying on Janoshik's website. The newest is task #225850 (retatrutide 20 mg, batch RT20-2026-08-A, analysed 27 August 2026) at 99.607% purity with 23.20 mg recovered. The others are #193587 (retatrutide 10 mg, 99.223%, June 2026) and four from July 2026: #208701 (ipamorelin, 99.429%, 3.71 mg recovered from a 5 mg vial), #208700 (GHK-Cu, 99.799%), #208699 (BPC-157, 99.746%) and #208698 (NAD+, content only, 568.26 mg).
Verified facts at a glance
| Fact | What we found | How it was checked |
|---|---|---|
| Standard applied | own-name verifiable-COA standard | how every vendor is judged, methodology |
| Certificate | ✅ genuine Janoshik, own name | read on the seller's own site |
| Latest certificate date | Aug 2026 | as printed on the report |
| UK company registration | May 2026 · 4 months old | Companies House public record |
| This audit as data | /data/vendor/ukmaxx-co-uk.json | same record the open dataset serves, re-checked daily |
The certificate
6 reports we opened on Janoshik's site
Each row was opened by a real page load on verify.janoshik.com and transcribed. The client column is the name the laboratory printed. Newest first. Audit findings, not recommendations.
| Task | Sample | Test | Client on the report | Received | Result | |
|---|---|---|---|---|---|---|
| #225850 | RT20 | purity | UKMAXX | 25 Aug 2026 | Retatrutide · 23.20 mg · 99.607% | verify |
| #208701 | Ipamorelin 5mg | purity | UKMAXX | 22 Jul 2026 | Ipamorelin · 3.71 mg · 99.429% | verify |
| #208700 | GHK-Cu 50mg | purity | UKMAXX | 22 Jul 2026 | GHK-Cu · 46.68 mg (38.84 mg GHK) [7.84 mg copper] · 99.799% | verify |
| #208699 | BPC-157 5mg | purity | UKMAXX | 22 Jul 2026 | BPC-157 · 4.84 mg · 99.746% | verify |
| #208698 | NAD+ 500mg | purity | UKMAXX | 22 Jul 2026 | NAD+ · 568.26 mg | verify |
| #193587 | RT10 | purity | UKMAXX | 12 Jun 2026 | Retatrutide · 10.12 mg · 99.223% | verify |
Show buyers you are independently verified
UKMAXX is one of only 35 UK vendors whose testing The Peptide Watch could independently verify. If that is you, display this badge: it links back to this audit. No fee and no catch, verified vendors are welcome to use it. It keeps itself up to date: it shows as verified only while this listing is verified.
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Pricing vs the market, benchmarked on BPC-157
The Peptide Watch benchmarks every vendor on the same compound, BPC-157, the most common research peptide, as £ per milligram, so prices are directly comparable across all providers. No public BPC-157 price feed was available for this vendor at audit.
Is UKMAXX legit? The questions people ask
Is UKMAXX legit?
On The Peptide Watch's independent audit, UKMAXX (ukmaxx.co.uk) publishes its own verifiable Janoshik certificate of analysis that names UKMAXX itself as the client, so its testing can be checked on Janoshik's own website. That is the strongest evidence standard we track. It confirms the credibility of the seller's evidence, not any individual vial you receive.
Can I trust UKMAXX, and is it a good supplier?
Its lab evidence is independently verifiable, which is the best signal a paper trail can give. Even a genuine certificate proves a sample was tested once, not that your specific batch matches it, so weigh it alongside consistent results over time.
Is UKMAXX a scam?
Nothing in this audit indicates that. UKMAXX shows a verifiable own-name Janoshik certificate, the opposite of the borrowed or self-made certificates the watch list flags. Judge it on that checkable evidence rather than the word 'scam'.
Does UKMAXX publish a real Certificate of Analysis?
Yes. Its most recent own-name Janoshik certificate is dated Aug 2026 and can be verified on Janoshik's website by its unique code, so the purity result cannot be faked or edited.
Related vendors
The Peptide Watch. "Is UKMAXX legit? Independent review & COA audit." Verified 27 September 2026. https://thepeptidewatch.com/vendor/ukmaxx-co-uk