Independent side-by-side comparison of Amino Asylum and Peptide Gurus — 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 D); Peptide Gurus has more published third-party tests (63 vs 0); Amino Asylum has 1 FDA warning(s) on record while Peptide Gurus 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. Peptide Gurus: 63 independent Janoshik assays, across 58 substances, median measured purity 99.7%, most recent 2026-04-24.
| Attribute | Amino Asylum | Peptide Gurus |
|---|---|---|
| Independent lab grade | B | D |
| Third-party tests | None published | 63 tests, avg purity 99.5% |
| 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 | Peptide Gurus |
|---|---|---|
| Retatrutide 10mg | Not tested | 99.51% (3 assays, latest 2026-04-14) |
| Tirzepatide 30mg | Not tested | 99.84% (3 assays, latest 2026-04-14) |
| Tirzepatide 10mg | Not tested | 99.79% (2 assays, latest 2026-04-14) |
| Ss-31 40mg | Not tested | 99.73% (1 assay, latest 2026-04-24) |
| Wolverine(bpc-157 5mg Blend With Tb-500 5mg) | Not tested | purity not reported (1 assay, latest 2026-04-23) |
| Wolverine(bpc-157 10mg Blend With Tb-500 10mg) | Not tested | purity not reported (1 assay, latest 2026-04-23) |
| Pinealon 20mg | Not tested | 99.17% (1 assay, latest 2026-04-14) |
| Oxytocin 10mg | Not tested | 97.53% (1 assay, latest 2026-04-14) |
| Hcg 10,000 IU | Not tested | purity not reported (1 assay, latest 2026-04-14) |
| Pt-141 10mg | Not tested | 99.90% (1 assay, latest 2026-04-14) |
| Tesamorelin 10mg | Not tested | 99.74% (1 assay, latest 2026-04-14) |
| Retatrutide 5mg | Not tested | 99.78% (1 assay, latest 2026-04-14) |
No FDA warning letter, recall or enforcement action is on record for Peptide Gurus.
Peptide Gurus. Amino Asylum has no independent Janoshik assays on file. Peptide Gurus: 63 independent Janoshik assays, across 58 substances, median measured purity 99.7%, most recent 2026-04-24. These are third-party Janoshik assays published against the vendor, not the vendor's own certificates.
Amino Asylum has 1 record on file, the most recent dated 2025-06-01, and Peptide Gurus 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 Gurus.
Full lab-test records: All 63 Peptide Gurus lab tests.
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