Value Size Single Herbs Supports Healthy Liver Function MeetYourHerbs Vegetarian Liquid Phyto-Caps Milk Thistle Seed Multiple studies have demonstrated that Milk Thistly supports healthy liver function. It also provides powerful antioxidant support. Gaia Herbs concentrates its Milk Thistly extract under low temperature and low pressure under low temperature and low pressure to preserve the important phytochemical Silymarin. This constituent promotes healthy liver cell production.