Milk thistle extract. Herbal blend for liver & digestive detoxification. Supports liver health. Provides antioxidant protection. Natrol milk thistle 525 mg: herbal blend for liver and digestive detoxification while supporting liver health. Supports elimination of metabolic by-products. Provides antioxidant protection. country of origin : united states is gluten free : yes is yeast free : yes size : 60 vcap pack of : 1 selling unit : each