Independent side-by-side comparison of Diju Peptides Wellness and Co and Gray Labs — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.
Bottom line: Diju Peptides Wellness and Co holds the stronger independent lab grade (A vs ungraded); Gray Labs has more published third-party tests (1 vs 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.
Diju Peptides Wellness and Co has no independent Janoshik assays on file. Gray Labs: 1 independent Janoshik assay, median measured purity 99.4%, most recent 2026-02-09.
| Attribute | Diju Peptides Wellness and Co | Gray Labs |
|---|---|---|
| Independent lab grade | A | Not graded |
| Third-party tests | None published | 1 test, avg purity 99.4% |
| COA available | No | No |
| Endotoxin tested | No | No |
| FDA warnings | None on record | None on record |
| Substance | Diju Peptides Wellness and Co | Gray Labs |
|---|---|---|
| 20mg Retatrutide | Not tested | 99.41% (1 assay, latest 2026-02-09) |
Gray Labs. Diju Peptides Wellness and Co has no independent Janoshik assays on file. Gray Labs: 1 independent Janoshik assay, median measured purity 99.4%, most recent 2026-02-09. These are third-party Janoshik assays published against the vendor, not the vendor's own certificates.
Full profiles: Diju Peptides Wellness and Co, Gray Labs.
Full lab-test records: All 1 Gray Labs lab test.
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