Milk thistle, sunan kimiyya Silybum marianum, tsiro ne daga yankin Bahar Rum.Kwayoyinsa suna da wadataccen sinadirai masu aiki kuma ana fitar da su don yin tsantsar ƙwayar madara.Babban abu mai aiki a cikin ƙwayar ƙwayar madarar madara shine cakuda da ake kira silymarin, ciki har da silymarin A, B, C da D. Silymarin yana da antioxidant, anti-inflammatory, hanta-protective, da detoxifying Properties.