Independent side-by-side comparison of Amino Tech and Peptide-S — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.
Bottom line: Peptide-S holds the stronger independent lab grade (ungraded vs C); Amino Tech carries more community reviews (175).
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 | Amino Tech | Peptide-S |
|---|---|---|
| Independent lab grade | Not graded | C |
| Community rating | 4/5 (175 reviews) | No reviews |
| COA available | Yes | No |
| Endotoxin tested | No | No |
| FDA warnings | None on record | None on record |
| Year established | 2021 | Unknown |
| Checked | Amino Tech | Peptide-S |
|---|---|---|
| Certificates of analysis | Not stated | None found on the site |
| Products listed | Not stated | 186 |
| Public pricing | Not stated | Listed on the site |
| Ships to | Not stated | United States, Worldwide |
| Carriers | Not stated | UPS, USPS |
| Research-use-only notice | Not stated | Published |
Amino Tech states that COAs are available, and we found no certificates of analysis anywhere on Peptide-S' site. A published COA is the vendor's own document; the assay figures elsewhere on this page are independent of it.
Amino Tech does not state a shipping region, and Peptide-S states it ships to United States, Worldwide. Both are read from the vendors' own sites.
Full profiles: Amino Tech, Peptide-S.
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