Is BioSupply UK legit? An independent review
BioSupply UK bioSupply Group Ltd (Companies House 17152707) sells BPC-157, GHK-Cu, TB-500, Retatrutide and Melanotan at low prices and states 'independently tested for purity, we provide a certificate of analysis with all products,' but names no laboratory, so the certificate cannot be independently checked. Domain registered March 2026.
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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 | nothing we could verify in this seller's own name, details below | read on the seller's own site |
| UK company registration | Mar 2026 · 5 months old | Companies House public record |
| This audit as data | /data/vendor/biosupplyuk-com.json | same record the open dataset serves, re-checked daily |
- A certificate that verifies in this seller's own name on an independent laboratory's website
- Any certificate from a named independent laboratory on the pages we audited
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.
Reviews
Read it critically. A Trustpilot score measures whether parcels turn up and support replies, not whether the vial contains what the label says. A vendor can have hundreds of happy delivery reviews and still show you a borrowed or fake certificate; the two are unrelated. Also watch for a burst of near-identical 5-star reviews in a short window, the signature of bought reviews.
Read BioSupply UK on Trustpilot →
Is BioSupply UK legit? The questions people ask
Is BioSupply UK legit?
BioSupply UK (biosupplyuk.com) is on The Peptide Watch's watch list. It does not publish a certificate of analysis that can be independently verified in its own name, so its quality claims rest on trust rather than checkable evidence. That is not proof of a scam; it means the evidence does not check out.
Can I trust BioSupply UK, and is it a good supplier?
You cannot independently verify its testing today. Its Trustpilot score is 4.4 from 25 reviews, which reflects delivery and service, not whether a vial contains what the label says. A good delivery reputation is not the same as a verifiable certificate; the two are unrelated. Until BioSupply UK publishes an own-name certificate you can check on an independent lab's website, you are taking its quality on trust.
Is BioSupply UK a scam?
The Peptide Watch does not assert that. What is observable is the reason it sits on the watch list: no named lab, nothing to verify. Being unverifiable is a reason for caution, not proof of fraud.
Does BioSupply UK publish a real, verifiable Certificate of Analysis?
Not one that can be independently verified in its own name. ⚠ 'CoA with all products' but no lab named. BioSupply UK says everything is independently tested with a CoA, but names no laboratory to check it against.
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The Peptide Watch. "Is BioSupply UK legit? Independent review & COA audit." Verified 6 August 2026. https://thepeptidewatch.com/vendor/biosupplyuk-com