Standardized Silymarin Extract 30:1Supports Liver FunctionGluten FreeVeganDietary SupplementIndena - Science is Our NatureNon GMOSuitable for Vegetarian/VegansJarrow Formulas® Milk Thistle (Silybum marianum) 30:1 extract is standardized to contain 80% total Milk Thistle seed flavonoids, including the important Silymarin fractions isosilybinins A and B, silybinins A and B, silychristin and silydianin.This particular group of flavonoids, collectively known as Silymarin, supports liver function by raising protective glutathione levels.