How often should you take yellow dock?

A tincture of yellow dock, 1/4–1/2 teaspoon (1–2 ml) three times per day, can be used.² Alternatively, a tea can be made by boiling 1–2 teaspoons (5–10 grams) of root in 2 cups (500 ml) of water for ten minutes. Three cups (750 ml) may be drunk each day.