NOW Double Strength Milk Thistle Extract 300 mg Capsules 100'sNOW Foods Double Strength Milk Thistle Extract 300 mg (Silymarin 240 mg) 100 Veg Capsules What is this product? This is a high potency dietary supplement made from double strength milk thistle extract, providing 240 mg of silymarin per capsule. Silymarin is the primary active compound naturally found in milk thistle. The formula also includes artichoke and dandelion for additional liver support. Why do people use it? Milk thistle is traditionally used