Why do we recommend Bio Tech USA Milk Thistle ? Natural plant extract 210 mg silymarin content per capsule Economic packaging size for two months MILK THISTLE Milk Thistle ( Sylibum marianum ) related to the group of thistles and to the daisy and ragweed family. It is native to the Mediterranean countries, to North-Africa and to Near East. It has many common names such as Mary thistle or holy thistle. Its growth is the achenium and its active substance silymarin is extracted from this. Milk Thistle’s active substance has been used as an herbal remedy for a long time. Dietary supplements with mil