Milk Thistle Milk Thistle is a supplement containing Milk Thistle (Silybum marianum) extract, also known as milk thistle. It contains the standardized extract along with the whole plant. Standardization – guarantees a fixed amount of active ingredients. Solgar® Standardized • Full Potency™ (SFP) Herbs – developed through a unique process that combines the ideologies of both traditional herbalism and standard herbal technology. To ensure consistent and reliable phytonutrient levels – we isolate a controlled amount of these important active plant compounds. We then blend these advanced, “standardized” compounds with all the ingredients naturally found throughout the plant. The result is a powerful, superior quality standardized plant extract with all the synergistic and beneficial qualities found in nature. Standardized Milk Thistle Extract 450 mg (Silybum marianum) (seed) in each herbal capsule Silymarin (80%) 360 mg For adults - one to two (1-2) capsules daily - preferably at mealtime.