Jarrow Formulas Milk Thistle (Silybum marianum) 30:1 extract is standardized to contain 80-percent 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.

*Medicine Form: Caplets