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What's the difference between pharmaceutical-grade and research-grade?

A published trial of a pharmaceutical-grade compound does not certify a research-chemical vial sold under the same name. The peer-reviewed literature can speak to what a molecule did in a study; it says nothing about what a specific vial from an unregulated supply chain actually contains, at what purity.

That is why nearly everything pepmg tracks is labeled research use only — sold for laboratory research, not as a pharmacy medicine, and for most compounds not cleared by any regulator for human use. A few are the active ingredient in an approved prescription medicine, but the research-vendor material is not that approved product. pepmg tracks price and testing transparency; it does not certify grade, purity, or safety.

From: The COA guide

All help topics · Answers restate pepmg's own pages; the linked section is the authority.

All products listed are sold by third-party vendors for laboratory and research use only (RUO). Where an FDA label or a peer-reviewed study has published a dose, pepmg reports it with the source named, because that is safer than guessing. It is a report, not medical advice and not a recommendation to use anything. pepmg sells nothing and ships nothing. Listings are price-tracking data, not endorsements.