From the Manufacturer's Label:
Optimal Forskohlii™ is a proprietary blend of Coleus Foskohlii whole root powder & Root Extract (standardized to 10% forskohlin). Contains 250 mg of Optimal Forskohlii™ per serving.
Guaranteed Free of: Milk, egg, fish, shellfish, peanuts, tree nuts, wheat, soy, gluten, preservatives. Artificial color, flavor or sweetener.