Is Peptide Biohack legit? An independent review
Peptide Biohack is on the watch list: its certificate can't be verified in its own name, one of 496 of 536 UK sellers that fail this check.
- Certificate
- none found in its own name
- Official website
- peptidebiohack.co.uk
- Buyer reports
- Coming soon, visible from 1 November 2026 · tell us about your order
Checked daily against the seller's site, the laboratory's site and the public record. If this seller publishes new evidence, tell us and it is re-checked. Method · data · correction
What we found
Peptide Biohack checked 9 October 2026: peptidebiohack.co.uk is a live UK storefront (HTTPS is misconfigured, returning a Cloudflare 526 error; the site loads over plain HTTP) selling peptide and blend products (BPC-157, TB500, SS-31, GLOW/KLOW, GHK-Cu, KPV) with 'research use only' framing. It publishes a public /coa-library page listing 13 batch records by product and date; several name 'Janoshik' as the testing provider with a testing date and a 'Download certificate' link, but that link opens a PDF hosted at the shop's own /api/documents/ path, not a verify.janoshik.com page - the certificate's authenticity cannot be checked against Janoshik's own records, only taken on trust from the shop that produced the PDF. Other listed batches show 'Provider: awaiting confirmation' and no document at all. Its own company-information page names PEPTIDE BIOHACK LTD, company 17408196, matching Companies House exactly: incorporated 19 August 2026, active, registered office 167-169 Great Portland Street, 5th Floor, London W1W 5PF - the same virtual-office address already seen on this site for the unrelated Novex Peptide Ltd and Fat Pig Peptides records; no connection between these companies is known or claimed. Domain registered 29 July 2026, three weeks before incorporation. What would move this listing: a working verify.janoshik.com link for one of the named batches, rather than a self-hosted PDF.
New Since 13 October 2026 you can tell us how your order went. Reports go up on this page from 1 November 2026, bad ones as well as good, because UK law doesn't let review sites hide negative reviews. A written note appears only after we have read it.
Tap one to start, about 30 seconds.
How buyer reports work
- Every report is confirmed by email before it counts, and each email address can report on a seller once every 90 days.
- We hold back anything that looks like a seller reviewing itself: an email from the seller's own domain, several reports from the same connection, or a sudden burst in a day. A person checks those before anything shows.
- Tick-box answers are shown only as totals. A written comment appears only after a person has read it. Bad reports go up as well as good ones: UK consumer law (the Digital Markets, Competition and Consumers Act 2024) doesn't let review sites hide negative reviews. We only trim or hold a comment for dosing or health effects, personal details, names of other shops, or accusations we can't check.
- Sellers can reply. If a seller disagrees with what buyers report, it can email [email protected] from its own domain, and we show one response next to the totals, with the date.
- No single thing on this page should decide it. Look at the lab reports, the buyer reports and how you'd pay, together.
Questions people ask about Peptide Biohack
Is Peptide Biohack legit?
Peptide Biohack (peptidebiohack.co.uk) 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.
Does Peptide Biohack publish a real, verifiable Certificate of Analysis?
Not one that can be independently verified in its own name. Peptide Biohack (peptidebiohack.co.uk) runs a public 'certificate library' naming Janoshik as the testing provider for several dated batches, but each 'Download certificate' link opens a document hosted on the shop's own site, not a verify.janoshik.com report, so none of it can be independently
How do I check Peptide Biohack's certificate myself?
Find the certificate on peptidebiohack.co.uk and read four things: an independent laboratory is named; the client field names Peptide Biohack, not a supplier; the compound line names the peptide you are buying, not only a batch code; and the report opens on the laboratory's own website from its task number and key (verify.janoshik.com for Janoshik). Then compare the batch number on the report with the one on your vial. The free COA Checker on this site runs the first three checks on a photo of the certificate.