Independent side-by-side comparison of Dalian Handom Chemicals HDC and Licensed Peptides — third-party lab grades, tested purity, COA availability, FDA warnings, and community ratings.
Bottom line: Licensed Peptides 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.
Dalian Handom Chemicals HDC has no independent Janoshik assays on file. Licensed Peptides: 2 independent Janoshik assays, across 2 substances, median measured purity 99.4%, most recent 2025-10-09.
| Attribute | Dalian Handom Chemicals HDC | Licensed Peptides |
|---|---|---|
| Third-party tests | None published | 2 tests, avg purity 99.4% |
| COA available | No | No |
| Endotoxin tested | No | No |
| FDA warnings | None on record | None on record |
| Substance | Dalian Handom Chemicals HDC | Licensed Peptides |
|---|---|---|
| Retatrutide 40mg | Not tested | 99.72% (1 assay, latest 2025-10-09) |
| Retatrutide 12mg | Not tested | 99.11% (1 assay, latest 2025-08-27) |
| Checked | Dalian Handom Chemicals HDC | Licensed Peptides |
|---|---|---|
| Certificates of analysis | None found on the site | None found on the site |
| Products listed | 76 | 91 |
| Public pricing | Not stated | Listed on the site |
| Payment methods | Bank Transfer, PayPal | Bank Transfer, Credit Card |
| Ships to | United States, United Kingdom, Canada, Australia, Worldwide | United States |
| Carriers | Not stated | FedEx, UPS, USPS |
| Research-use-only notice | Not stated | Published |
| Stated origin | China | United States |
Licensed Peptides. Dalian Handom Chemicals HDC has no independent Janoshik assays on file. Licensed Peptides: 2 independent Janoshik assays, across 2 substances, median measured purity 99.4%, most recent 2025-10-09. These are third-party Janoshik assays published against the vendor, not the vendor's own certificates.
We found no certificates of analysis anywhere on Dalian Handom Chemicals HDC's site, and we found no certificates of analysis anywhere on Licensed Peptides' site. A published COA is the vendor's own document; the assay figures elsewhere on this page are independent of it.
Dalian Handom Chemicals HDC states it ships to United States, United Kingdom, Canada, Australia, Worldwide, and Licensed Peptides states it ships to United States. Both are read from the vendors' own sites.
Full profiles: Dalian Handom Chemicals HDC, Licensed Peptides.
Full lab-test records: All 2 Licensed Peptides lab tests.
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