Non-profit association evaluates botanical manufacturers' processes and products. The site includes a list of manufacturers (and brands) that participate in the USP evaluation program, and a list of stores where you can buy the certified products.
As a certification company, CL enables companies of all sizes to have their products tested for potential inclusion in its list of Approved Quality products and bear the CL Seal. CL has tested more than 1,800 products, representing over 350 different bran