Herbal Supplement. Standardized extract. Promotes healthy liver function. Milk thistle supports liver health and possesses antioxidant properties that may help fight cell-damaging free radicals in the body. Nature's Bounty's Guarantee: We use only the finest quality herbs and spices. Each is screen and finely milled for quick release. Nature's Bounty's preservative-free gelatin capsules contain pure milled herb powder. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.) Laboratory tested. No artificial color, flavor or sweetener, no preservatives, no sugar, no milk, no lactose, no soy, no gluten, no wheat, no yeast, no fish. Sodium free.