This certificate of analysis provides information on a 15 ml bottle of peppermint essential oil including the lot number, expiration date, country of origin, and results of testing of physical and chemical properties. Analysis found the top constituents to be L-menthol at 36.55% and testing showed it is free of allergens, GMOs, and was not tested on animals. The oil should be stored in a cool, dark place and is safe for human consumption when used properly.