Independent side-by-side comparison of Amino Asylum and Peptide Sciences — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.
Bottom line: Amino Asylum holds the stronger independent lab grade (B vs C); Amino Asylum has 1 FDA warning(s) on record while Peptide Sciences has 0; Peptide Sciences carries more community reviews (1247).
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 Asylum | Peptide Sciences |
|---|---|---|
| Independent lab grade | B | C |
| Community rating | 4.2/5 (823 reviews) | 4.7/5 (1247 reviews) |
| COA available | Yes | Yes |
| Endotoxin tested | No | No |
| FDA warnings | 1 warning(s) | None on record |
| Year established | 2018 | 1990 |
No FDA warning letter, recall or enforcement action is on record for Peptide Sciences.
Amino Asylum has 1 record on file, the most recent dated 2025-06-01, and Peptide Sciences has none on record. Absence of a record is not a clearance — it means no warning letter, recall or enforcement action appears in the sources tracked here.
Full profiles: Amino Asylum, Peptide Sciences.
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