Every LabFirst lot now has a public certificate you can verify at the lab

All 44 lots currently in stock have been tested by Kovera Labs, an independent laboratory: identity by LC-MS, purity by RP-HPLC, and the measured net content in each vial. Each certificate is published on our COA page with Kovera's own report ID, so you can confirm it on the lab's site instead of taking our word for it. Find yours by the lot number on your vial: labfirstpeptides.com/coa. For laboratory research use only.