70 mgs of Nutrition for your Liver Milk Thistle Seed Extract may be the most intriguing Supplement. Milk Thistle has been shown to help protect and rejuvenate the liver in three ways: Milk Thistle is a powerful Antioxidant; it helps protect your liver, and may interrupt enterohepatic recirculation of toxins. The silymarin complex in Milk Thistle puts up a ‘shield’ that may help protect against many liver-harming substances and may help to regenerate your liver.