It is an optimal dietary supplement complexed with citric acid for enhanced solubility and contains no other ingredients. The powdered form is, and free of fillers and preservatives, easy to digest and can be taken in desired potencies. It doesn't contain any sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives. Blend this with your favorite juice for best results. Benefits Dietary supplement Complexed with citric acid, free of fillers No preservatives 100 % Gluten Free.