A traditional recommendation is 2–3 teaspoons (10–15 grams) of the inner bark simmered in a pint (500 ml) of water for fifteen minutes three times per day.⁷ However, the naphthaquinones believed to give pau d’arco its major effects are very poorly extracted in water, so teas are not usually recommended in modern herbal medicine.⁸ Capsules or tablets providing 500–600 mg of powdered bark can be taken three times per day. A tincture, 1/8–1/4 teaspoon (0.5–1 ml) three times per day, can also be used.