A syrup of black elderberry extract (1 teaspoon–1 tablespoon [5–15 ml] for children, 2 teaspoons–2 tablespoons [10–30 ml] for adults) can be taken twice daily. A tea made from 1/2–1 teaspoon (3–5 grams) of the dried flowers steeped in 1 cup (250 ml) boiling water for ten to fifteen minutes may be drunk three times per day.¹²