Independent side-by-side comparison of Amino Asylum and Purus Peptides — 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 ungraded); Purus Peptides has more published third-party tests (6 vs 0); Amino Asylum has 1 FDA warning(s) on record while Purus Peptides has 0.
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.
Amino Asylum has no independent Janoshik assays on file. Purus Peptides: 6 independent Janoshik assays, across 6 substances, median measured purity 99.8%, most recent 2026-01-06.
| Attribute | Amino Asylum | Purus Peptides |
|---|---|---|
| Independent lab grade | B | Not graded |
| Third-party tests | None published | 6 tests, avg purity 99.8% |
| Community rating | 4.2/5 (823 reviews) | No reviews |
| COA available | Yes | No |
| Endotoxin tested | No | No |
| FDA warnings | 1 warning(s) | None on record |
| Year established | 2018 | Unknown |
| Substance | Amino Asylum | Purus Peptides |
|---|---|---|
| Nad/mots-c/5amino 100/10/10mg | Not tested | purity not reported (1 assay, latest 2026-01-06) |
| Ghk-cu 50mg | Not tested | 99.84% (1 assay, latest 2025-10-09) |
| Glp-3rt 20mg | Not tested | 99.75% (1 assay, latest 2025-10-09) |
| Glp-2tz 40mg | Not tested | 99.83% (1 assay, latest 2025-10-09) |
| Glp-2tz 20mg | Not tested | 99.75% (1 assay, latest 2025-10-09) |
| Tirzepatide 40mg | Not tested | purity not reported (1 assay) |
| Checked | Amino Asylum | Purus Peptides |
|---|---|---|
| Certificates of analysis | Not stated | 11 published on the site |
| Products listed | Not stated | 47 |
| Public pricing | Not stated | Listed on the site |
| Payment methods | Not stated | Bank Transfer, Credit Card, Zelle, Venmo |
| Ships to | Not stated | United States, Worldwide |
| Carriers | Not stated | UPS, USPS |
| Research-use-only notice | Not stated | Published |
No FDA warning letter, recall or enforcement action is on record for Purus Peptides.
Purus Peptides. Amino Asylum has no independent Janoshik assays on file. Purus Peptides: 6 independent Janoshik assays, across 6 substances, median measured purity 99.8%, most recent 2026-01-06. These are third-party Janoshik assays published against the vendor, not the vendor's own certificates.
Amino Asylum states that COAs are available, and Purus Peptides publishes 11 certificates of analysis on its own site. A published COA is the vendor's own document; the assay figures elsewhere on this page are independent of it.
Amino Asylum has 1 record on file, the most recent dated 2025-06-01, and Purus Peptides 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.
Amino Asylum does not state a shipping region, and Purus Peptides states it ships to United States, Worldwide. Both are read from the vendors' own sites.
Full profiles: Amino Asylum, Purus Peptides.
Full lab-test records: All 6 Purus Peptides lab tests.
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