Independent side-by-side comparison of Apex Peptides and Royal Peptides — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.
Bottom line: Royal Peptides holds the stronger independent lab grade (ungraded vs C); Royal Peptides shows higher average tested purity (99.7% vs 99.2%).
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.
Apex Peptides: 2 independent Janoshik assays, across 2 substances, median measured purity 99.2%, most recent 2026-02-04. Royal Peptides: 2 independent Janoshik assays, across 2 substances, median measured purity 99.7%, most recent 2025-02-05.
| Attribute | Apex Peptides | Royal Peptides |
|---|---|---|
| Independent lab grade | Not graded | C |
| Third-party tests | 2 tests, avg purity 99.2% | 2 tests, avg purity 99.7% |
| COA available | No | Yes |
| Endotoxin tested | No | No |
| FDA warnings | None on record | None on record |
| Substance | Apex Peptides | Royal Peptides |
|---|---|---|
| Retatrutide 40mg | 99.28% (1 assay, latest 2026-02-04) | Not tested |
| Retatrutide 20mg | 99.07% (1 assay, latest 2026-02-04) | Not tested |
| Tirzepatide 60mg | Not tested | 99.81% (1 assay, latest 2025-02-05) |
| Tirzepatide 30mg | Not tested | 99.69% (1 assay, latest 2024-09-23) |
| Checked | Apex Peptides | Royal Peptides |
|---|---|---|
| Certificates of analysis | None found on the site | 16 published on the site |
| Products listed | 29 | 133 |
| Public pricing | Listed on the site | Listed on the site |
| Payment methods | Not stated | Cryptocurrency, Bank Transfer, Credit Card, PayPal |
| Ships to | United States | United States, Europe, Canada, Worldwide |
| Research-use-only notice | Published | Published |
Neither — both have 2 on file. Apex Peptides: 2 independent Janoshik assays, across 2 substances, median measured purity 99.2%, most recent 2026-02-04. Royal Peptides: 2 independent Janoshik assays, across 2 substances, median measured purity 99.7%, most recent 2025-02-05.
We found no certificates of analysis anywhere on Apex Peptides' site, and Royal Peptides publishes 16 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.
Apex Peptides states it ships to United States, and Royal Peptides states it ships to United States, Europe, Canada, Worldwide. Both are read from the vendors' own sites.
Full profiles: Apex Peptides, Royal Peptides.
Full lab-test records: All 2 Apex Peptides lab tests, All 2 Royal Peptides lab tests.
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