Independent side-by-side comparison of Apex Peptides and Polar Peptides — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.
Bottom line: Apex Peptides has more published third-party tests (2 vs 0); Polar Peptides carries more community reviews (340).
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. Polar Peptides has no independent Janoshik assays on file.
| Attribute | Apex Peptides | Polar Peptides |
|---|---|---|
| Third-party tests | 2 tests, avg purity 99.2% | None published |
| Community rating | No reviews | 4.4/5 (340 reviews) |
| COA available | No | Yes |
| Endotoxin tested | No | No |
| FDA warnings | None on record | None on record |
| Production country | Not specified | Canada |
| Year established | Unknown | 2021 |
| Substance | Apex Peptides | Polar 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 |
| Checked | Apex Peptides | Polar Peptides |
|---|---|---|
| Certificates of analysis | None found on the site | Not stated |
| Products listed | 29 | Not stated |
| Public pricing | Listed on the site | Not stated |
| Ships to | United States | Not stated |
| Research-use-only notice | Published | Not stated |
Apex Peptides. Apex Peptides: 2 independent Janoshik assays, across 2 substances, median measured purity 99.2%, most recent 2026-02-04. Polar Peptides has no independent Janoshik assays on file. These are third-party Janoshik assays published against the vendor, not the vendor's own certificates.
We found no certificates of analysis anywhere on Apex Peptides' site, and Polar Peptides states that COAs are available. 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 Polar Peptides does not state one. Both are read from the vendors' own sites.
Full profiles: Apex Peptides, Polar Peptides.
Full lab-test records: All 2 Apex Peptides lab tests.
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