Independent side-by-side comparison of Purity Peptides and Purus Peptides — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.
Bottom line: Purus Peptides has more published third-party tests (6 vs 0); Purity Peptides carries more community reviews (210).
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.
Purity Peptides 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 | Purity Peptides | Purus Peptides |
|---|---|---|
| Third-party tests | None published | 6 tests, avg purity 99.8% |
| Community rating | 4.5/5 (210 reviews) | No reviews |
| COA available | Yes | No |
| Endotoxin tested | No | No |
| FDA warnings | None on record | None on record |
| Production country | North America | Not specified |
| Year established | 2022 | Unknown |
| Substance | Purity Peptides | 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 | Purity Peptides | Purus Peptides |
|---|---|---|
| Certificates of analysis | 54 published on the site | 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 | United States, Canada, Worldwide | United States, Worldwide |
| Carriers | Not stated | UPS, USPS |
| Research-use-only notice | Published | Published |
Purus Peptides. Purity Peptides 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.
Purity Peptides publishes 54 certificates of analysis on its own site, 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.
Purity Peptides states it ships to United States, Canada, Worldwide, and Purus Peptides states it ships to United States, Worldwide. Both are read from the vendors' own sites.
Full profiles: Purity Peptides, Purus Peptides.
Full lab-test records: All 6 Purus Peptides lab tests.
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