How to tell a real independent test from marketing language.
Nearly every peptide vendor claims to be "third-party tested." The phrase has been repeated into meaninglessness. Here's how to tell which claims are real.
When a supplier tests its own product and reports its own results, there's an obvious incentive problem. Third-party testing removes it: an independent laboratory with no stake in the sale performs the analysis. That independence is the entire point — without it, a purity number is just a marketing claim.
A single COA reused across every product. Certificates "available on request" rather than published. Purity claimed without a chromatogram. Undated documents. No named testing facility. Any one of these should prompt a question; several together tell you what you need to know.
Research peptides sit in a category with limited regulatory oversight. That places the burden of verification on the buyer. In a controlled study, unknown impurities are uncontrolled variables — they don't just affect quality, they undermine the validity of whatever result you obtain.
Every Midas lot is tested by an accredited independent laboratory for identity and purity, and the certificate for your specific batch is published in our COA library — public, not on request. Learn to read a COA →
Browse third-party tested compounds →