Where to buy Retatrutide with a COA
8 verified vendors publish a third-party Certificate of Analysis for Retatrutide. Compare purity, lab and price per mg below – every result links to the actual COA and the vendor's own shop. For laboratory research use only.
COA-verified vendors for Retatrutide
Lab: Janoshik Analytical · 2026-07-24 · 3 COAs
The link opens the report shown here. A total of 3 COAs are recorded for this vendor.
Lab: Janoshik Analytical · 2026-06-05 · 12 COAs
The link opens the report shown here. A total of 12 COAs are recorded for this vendor.
Lab: Vanguard Laboratory · 2026-01-29 · 10 COAs
The link opens the report shown here. A total of 10 COAs are recorded for this vendor.
Lab: Janoshik Analytical · 2026-07-02 · 4 COAs
The link opens the report shown here. A total of 4 COAs are recorded for this vendor.