We specifically chose iron in the citrate form as it is readily absorbed and highly bioavailable. Consequently, the problem of constipation, caused so often by other forms of iron supplements, is avoided, resulting in the benefit of improved patient compliance. Each tablet provides 14mg of iron. 1 to 2 tablets daily with a meal. Caution: This product contains iron, which , if taken in excess, may be harmful to very young children. Over 20mg of iron may cause mild stomach upset in sensitive individuals.