Independent side-by-side comparison of Diju Peptides Wellness and Co and Modern Peptides — 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); Modern Peptides has more published third-party tests (25 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. Modern Peptides: 25 independent Janoshik assays, across 20 substances, median measured purity 99.8%, most recent 2026-02-24.
| Attribute | Diju Peptides Wellness and Co | Modern Peptides |
|---|---|---|
| Independent lab grade | A | Not graded |
| Third-party tests | None published | 25 tests, avg purity 99.7% |
| COA available | No | No |
| Endotoxin tested | No | No |
| FDA warnings | None on record | None on record |
| Substance | Diju Peptides Wellness and Co | Modern Peptides |
|---|---|---|
| Retatrutide 20mg | Not tested | 99.80% (3 assays, latest 2026-02-24) |
| Retatrutide 10mg | Not tested | 99.74% (2 assays, latest 2026-01-26) |
| Tirzepatide 15mg | Not tested | 99.78% (2 assays, latest 2026-01-16) |
| Tesamorelin 20mg | Not tested | 99.75% (2 assays, latest 2026-01-09) |
| Retatrutide 50mg | Not tested | 99.92% (1 assay, latest 2026-02-24) |
| KLOW 80 | Not tested | purity not reported (1 assay, latest 2026-02-23) |
| Tirzepatide 30mg | Not tested | 99.85% (1 assay, latest 2026-01-26) |
| Cartalax 20mg | Not tested | 99.71% (1 assay, latest 2026-01-16) |
| Bpc-157 20mg | Not tested | 99.50% (1 assay, latest 2026-01-16) |
| GLOW 70 (bpc-157, Tb500, Ghk-cu) | Not tested | purity not reported (1 assay, latest 2025-12-15) |
| Semaglutide 10mg | Not tested | 99.69% (1 assay, latest 2025-12-15) |
| Bpc-157/tb500 10mg/10mg | Not tested | purity not reported (1 assay, latest 2025-10-15) |
| Checked | Diju Peptides Wellness and Co | Modern Peptides |
|---|---|---|
| Certificates of analysis | Not stated | 1 published on the site |
| Products listed | Not stated | 75 |
| Public pricing | Not stated | Listed on the site |
| Payment methods | Not stated | Cryptocurrency, Bank Transfer, Credit Card |
| Ships to | Not stated | United States, United Kingdom, Canada, Worldwide |
| Carriers | Not stated | FedEx, UPS, USPS, Canada Post |
| Research-use-only notice | Not stated | Published |
Modern Peptides. Diju Peptides Wellness and Co has no independent Janoshik assays on file. Modern Peptides: 25 independent Janoshik assays, across 20 substances, median measured purity 99.8%, most recent 2026-02-24. These are third-party Janoshik assays published against the vendor, not the vendor's own certificates.
We have not read Diju Peptides Wellness and Co's site, and Modern Peptides publishes 1 certificate 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.
Diju Peptides Wellness and Co does not state a shipping region, and Modern Peptides states it ships to United States, United Kingdom, Canada, Worldwide. Both are read from the vendors' own sites.
Full profiles: Diju Peptides Wellness and Co, Modern Peptides.
Full lab-test records: All 25 Modern Peptides lab tests.
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