21 published test results across 5 vendors · latest: 12 Oct 2026
| # | Vendor | Tests | Price/mg | Score |
|---|---|---|---|---|
| 1 | LLumira Unverified | 5 | — | 47 |
| 2 | SShanghai ERP peptide Biotechnology Unverified | 7 | $2.50 | 43 |
| 3 | WWelon Peptide Solutions Unverified | 5 | $1.98 | 42 |
| 4 | SShandong Aishi Biotechnology Unverified | 3 | — | 42 |
| 5 | QQingdao Sigma Chemical QSC Unverified | 1 | $0.56 | 41 |
Computed from publicly published third-party results. How scoring works · every listing is free and un-buyable. Vendors marked Unverified appear for their published results but are left out of the vendor rankings.
This listing covers somatropin, actual recombinant human growth hormone: a prescription biologic, controlled in most countries, and one of the most counterfeited drugs on earth. If any product category justifies obsessive batch verification, it is this one.
The published record here covers 5 vendors and 21 recorded tests, which is what the rankings above are built from.
The calculator covers the reconstitution math. The vendor index covers who actually publishes their testing.
Nothing on this page is medical advice; compounds shown are sold for research purposes only. Data is aggregated from publicly published third-party results and traces to its source.