Milk Thistle 60 vcaps by Herb PharmOur Milk Thistle assayed extract is prepared from pesticide free, mature, dark seeds of Silybum marianum plants. By extracting with alcohol we avoid the harsh synthetic chemicals commonly used to extract Milk Thistle seeds, and we mantain the bioactivity of the original seeds themselves. Extracted with Pharmacopeial AlcoholExtract Has Less Than 0. 5% AlcoholNever Extracted With Methanol, Petroleum Ether or Ethyl AcetateNever Fumigated or Irradiated