Which supplements actually have an independent lab certificate, by category. 3201 products, all free to browse.
What this list is. Every product below has a published certificate from an independent testing program. That means a named third party tested it and released the result. It does not mean the product is safe, pure, or better than one that is not listed, and a product missing from this page may simply have no certificate we can see.
ScanCheck indexes published certificates from independent testing programs. We do not run these tests and are not paid by any brand to appear here.