For convenient and effective daily Vitamin C supplementation, these ultra-fine "C" crystals mix easily with water, fruit or vegetable juices.  Absorbs quickly and easily, providing optimum utilization in the body.  Each teaspoon of Vitamin C Powder supplies 5 grams of pure Vitamin C (Potassium and Magnesium Ascorbate), a buffered ascorbate formulation so it is easily-digested and absorbed without stomach upset.