Independent side-by-side comparison of OmegAmino and Peptides 4 Research — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.
Bottom line: OmegAmino holds the stronger independent lab grade (A vs D); Peptides 4 Research has more published third-party tests (2 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.
OmegAmino has no independent Janoshik assays on file. Peptides 4 Research: 2 independent Janoshik assays, across 2 substances, median measured purity 99.5%, most recent 2025-12-29.
| Attribute | OmegAmino | Peptides 4 Research |
|---|---|---|
| Independent lab grade | A | D |
| Third-party tests | None published | 2 tests, avg purity 99.5% |
| COA available | No | No |
| Endotoxin tested | No | No |
| FDA warnings | None on record | None on record |
| Substance | OmegAmino | Peptides 4 Research |
|---|---|---|
| Cjc-1295 NO DAC 10MG | Not tested | 99.27% (1 assay, latest 2025-12-29) |
| Retatrutide 10mg | Not tested | 99.70% (1 assay, latest 2025-10-31) |
| Checked | OmegAmino | Peptides 4 Research |
|---|---|---|
| Certificates of analysis | None found on the site | Not stated |
| Products listed | 34 | Not stated |
| Public pricing | Listed on the site | Not stated |
| Payment methods | Cryptocurrency, Bank Transfer, Zelle, Venmo | Not stated |
| Ships to | United States, Worldwide | Not stated |
| Carriers | USPS | Not stated |
| Research-use-only notice | Published | Not stated |
Peptides 4 Research. OmegAmino has no independent Janoshik assays on file. Peptides 4 Research: 2 independent Janoshik assays, across 2 substances, median measured purity 99.5%, most recent 2025-12-29. These are third-party Janoshik assays published against the vendor, not the vendor's own certificates.
We found no certificates of analysis anywhere on OmegAmino's site, and we have not read Peptides 4 Research's site. A published COA is the vendor's own document; the assay figures elsewhere on this page are independent of it.
OmegAmino states it ships to United States, Worldwide, and Peptides 4 Research does not state one. Both are read from the vendors' own sites.
Full profiles: OmegAmino, Peptides 4 Research.
Full lab-test records: All 2 Peptides 4 Research lab tests.
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