Research peptide retailer
Peptide Works
Conduct flag on file
CoAs are freely downloadable PDFs, lab-tested by Janoshik with a QR code verifiable at janoshik.com/verify/, but the certificate's own Batch field is left blank so it reads as one representative test per product rather than a true per-batch document.
Headline price
Not disclosed
Regulated as
Not disclosed
Delivery area
Not disclosed
Certificate of Analysis profile
Trust Index status
CoA: partial80/100 · B+
Founded
Not disclosed
Companies House
Not disclosed
Business Transparency
Not yet checked
Last verified
2026-08-13
- ⚠ Sells peptides in capsule or tablet form, which is oral dosing by design
- ⚠ Publishes benefit claims next to products despite research-only framing
CoA library: https://peptide-works.com/third-party-testing-certificates/
Re-checked on a rolling basis, not a fixed monthly cycle; see the last-verified date above. See methodology for how this is scored.
Not yet Independently Verified
The CoA tier and Responsible Practice status above are free and mechanical. Nobody, including Peptide Works, has paid for the deeper lab-accreditation, batch-traceability, and corporate-history checks yet. Request that it be run →
Our verdict
Last reviewed 2026-08-13. PeptideClear earns nothing when readers click through, and this link carries no tracking. Editorial criteria are documented in our methodology.
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