Genceutic Milk Thistle is made with certified organic milk thistle. Milk thistle is well known for it ability to contribute to liver health. It contains the flavonoid called silymarin which has been well researched. In one study, silymarin helped lab rats regenerate part of their liver which had been removed. Silymarin is a powerful antioxidant with free radical scavenging properties. Without a doubt silymarin should be an important part of an antioxidant regimen.