The iron in this product is reacted with whole rice concentrate rather than ordinary soy, yeast or milk proteins which are commonly used to chelate minerals. The special rice used by Solaray is approximately seven times higher in amino acid content than ordinary rice and has an amino acid profile preferred by many over soy.

Iron Asporotate supplement consists of iron which has been combined with aspartic acid, citric acid, and a special delactosed whey protein concentrate containing naturally occurring orotic acid. Each capsule contains iron which has interacted with the other natural components producing a natural chelation process resulting in the formulation of a special complex containing iron aspartate, iron citrate, and iron orotate. This product contains none of the yeast or soy commonly found in full range amino acid chelates.

This product is formulated using a patent-pending, two-stage, timed-release concept. The two-stage ingredients are designes so that half are rapidly released while the other half are gradually released. The two-stage ingredients include Vitamin C, Thiamine, Riboflavin, Niacinamide and Vitamin B-6.

Once Daily is now formulated iron-free. This highly advanced formula contains a unique blend of Asporotate minerals, which are minerals combined with aspartic acid, citric acid, and a special delactosed whey protein concentrate containing naturally occurring orotic acid.