Silymarin (Silybum marianum), also known as milk thistle, has been used by traditional herbalists for centuries. Scientific studies have indicated that constituents in silymarin may help to support healthy liver function.* This vegetarian formula also includes artichoke & dandelion for additional support.* Milk Thistle Extract - 80% Silymarin - 300 mg., Dandelion Root Extract - 100 mg., Artichoke Extract - 2 % Cynarin - 50 mg. Suggested Usage: Take 1 capsule 1 to 3 times daily.