Research peptide retailer
Crown Peptides
Every bottle is said to carry a QR code and dated CoA reachable via an open, no-login peptide selector on their own /lab-reports/ page, but the QR resolves to Crown's own website (not an independent lab portal) and no specific lab is ever named, only 'HPLC and MS' methods cited.
Headline price
Not disclosed
Regulated as
Not disclosed
Delivery area
Not disclosed
Certificate of Analysis profile
CoA per batch
Yes
Access
open
Lab
In-house testing described as 'HPLC & MS Verified'; no third-party lab named on lab-reports page
QR-verifiable
Yes
Founded
Not disclosed
Companies House
17068950
Baseline last reviewed
2026-08-19
CoA library: https://crownpeptides.co.uk/lab-reports/
Re-checked on a rolling basis, not a fixed monthly cycle; see the last-verified date above. See methodology for how this is scored.
Separate from Testing Transparency
Responsible Practice assessment
Clear and responsibleNo specific concerns were recorded for Crown Peptides against our responsible-brand framework at the time of review.
We assess what a brand publishes and makes available to customers, not its intentions. Full framework and what each status means: how we assess brands. Think this is wrong? Email hello@peptideclear.co.uk with evidence.
Not yet Independently Verified
The Testing Transparency and Responsible Practice results above are free and the same for every retailer. Nobody has commissioned the deeper Independent Verification process for Crown Peptides yet. Request that it be run →
Our verdict
Last reviewed 2026-08-19. PeptideClear earns nothing when readers click through, and this link carries no tracking. Editorial criteria are documented in our methodology.
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