The Lingzhi mushroom tea is made of Lingzhi extracted from Lingzhi mushroom which is so called a herb of external youth. This tea is setting one's mind rest, good for blood circulation and effective to prevent high blood pressure, and is a typical Korean long life tea.The substance marked is based on an adult so the quantity taken can be differed based on age and physical conditions. The people below must fallow instructions. consumer counseling is considered before given to children counseling is considered to people with allergies or diseases counseling is considered to women with pregnancy or is breast feeding The product is recommended to be taken with water. About taking higher doses call consumer counseling. Keep out of reach of children. Keep these notices until you finish a whole bottle.