The pharmacological activity of ashwagandha is thought to be most concentrated in the withanolides, and this product is guaranteed to contain 1.5% withanolides.
Ingredients: Ashwagandha (Withania somnitfera) (root extract) (Guaranteed 7 mg [1.5%] withanolides) 470 mg
Other Ingredients: Gelatin (capsule), Dicalcium Phosphate and Magnesium Stearate