Independent side-by-side comparison of DC Peptide and Direct Peptides UK — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.
Bottom line: DC Peptide has more published third-party tests (2 vs 0); Direct Peptides UK carries more community reviews (678).
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.
DC Peptide: 2 independent Janoshik assays, across 2 substances, median measured purity 99.8%, most recent 2026-04-27. Direct Peptides UK has no independent Janoshik assays on file.
| Attribute | DC Peptide | Direct Peptides UK |
|---|---|---|
| Third-party tests | 2 tests, avg purity 99.8% | None published |
| Community rating | No reviews | 4.3/5 (678 reviews) |
| COA available | No | Yes |
| Endotoxin tested | No | No |
| FDA warnings | None on record | None on record |
| Year established | Unknown | 2015 |
| Substance | DC Peptide | Direct Peptides UK |
|---|---|---|
| Ghk-cu 100mg(CU100) | 99.60% (1 assay, latest 2026-04-27) | Not tested |
| Tirzepatide 120mg(TR120) | 99.91% (1 assay, latest 2026-03-19) | Not tested |
| Checked | DC Peptide | Direct Peptides UK |
|---|---|---|
| Certificates of analysis | None found on the site | None found on the site |
| Products listed | 40 | 32 |
| Payment methods | Not stated | Bank Transfer |
| Ships to | Europe, Asia, Worldwide | United States, Worldwide |
| Research-use-only notice | Not stated | Published |
| Stated origin | Hong Kong | United States |
DC Peptide. DC Peptide: 2 independent Janoshik assays, across 2 substances, median measured purity 99.8%, most recent 2026-04-27. Direct Peptides UK 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 DC Peptide's site, and we found no certificates of analysis anywhere on Direct Peptides UK's site. A published COA is the vendor's own document; the assay figures elsewhere on this page are independent of it.
DC Peptide states it ships to Europe, Asia, Worldwide, and Direct Peptides UK states it ships to United States, Worldwide. Both are read from the vendors' own sites.
Full profiles: DC Peptide, Direct Peptides UK.
Full lab-test records: All 2 DC Peptide lab tests.
Related comparisons: DC Peptide vs Apex Peptides, Direct Peptides UK vs Hangzhou Mandy Biotechnology, DC Peptide vs Modern Peptides, Direct Peptides UK vs Maximum Peps, DC Peptide vs Purus Peptides, Direct Peptides UK vs Peptide Sciences.