The typical recommended intake is 1–1 1/2 teaspoons (4–8 grams) per day.⁸ A tea can be made from processed roots by boiling 1/2–1 teaspoons (3–5 grams) in 1 cup (250 ml) of water for ten to fifteen minutes. Three or more cups are suggested each day. Five fo-ti tablets (500 mg each) can be taken three times per day.