Independent side-by-side comparison of Direct Peptides UK and Saiyan Med — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.
Bottom line: Saiyan Med holds the stronger independent lab grade (ungraded vs A); Direct Peptides UK carries more community reviews (678).
Every figure below is either measured by an independent laboratory or read from the vendor's own website, and the source is named against it. PeptideAtlas is not affiliated with either vendor.
| Attribute | Direct Peptides UK | Saiyan Med |
|---|---|---|
| Independent lab grade | Not graded | A |
| Community rating | 4.3/5 (678 reviews) | No reviews |
| COA available | Yes | Yes |
| Endotoxin tested | No | No |
| FDA warnings | None on record | None on record |
| Production country | Not specified | Hong Kong / China |
| Year established | 2015 | 2026 |
| Checked | Direct Peptides UK | Saiyan Med |
|---|---|---|
| Certificates of analysis | None found on the site | None found on the site |
| Products listed | 32 | 59 |
| Public pricing | Not stated | Listed on the site |
| Payment methods | Bank Transfer | Not stated |
| Ships to | United States, Worldwide | United States, United Kingdom, Europe, Canada, Australia, Asia, Worldwide |
| Research-use-only notice | Published | Published |
| Stated origin | United States | Hong Kong |
We found no certificates of analysis anywhere on Direct Peptides UK's site, and we found no certificates of analysis anywhere on Saiyan Med's site. A published COA is the vendor's own document; the assay figures elsewhere on this page are independent of it.
Direct Peptides UK states it ships to United States, Worldwide, and Saiyan Med states it ships to United States, United Kingdom, Europe, Canada, Australia, Asia, Worldwide. Both are read from the vendors' own sites.
Full profiles: Direct Peptides UK, Saiyan Med.
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