Nature's Bounty Milk Thistle is a concentrated herb with beneficial antioxidant properties that contribute to overall health and well-being.* Nature's Bounty Milk Thistle supplements have 175 mg of Milk Thistle per capsule and are non-GMO and gluten free. Nature’s Bounty Milk Thistle supplements are a product of over 50 years of dedication to quality, consistency and scientific research to make vitamins and nutritional supplements you can trust. Each bottle of Nature's Bounty Milk Thistle contains 100 capsules. For adults, take one capsule three times daily, preferably with meals.