formerly Pure Vitamin C gms Dietary Supplement Vitamin C Powder (from Tapioca) is a dietary supplement containing a highly purified source of ascorbic acid, comparable to reagent grade vitamin C. This hypoallergenic supplement is especially designed for these individuals with extreme food sensitivities who are not able to tolerate other less pure forms of ascorbic acid.Dietary ConsiderationsPreservative FreeServing Size:2 gServings Per Container:75 Amount Per Serving Vitamin C (as Ascorbic Acid from Tapioca) 2000mg Directions: Take teaspoon in water or desired beverage, or as directed by a physician. This product contains absolutely no traces of corn antigen, and is hypoallergenic. This product contains no diluents, preservatives, binders, or excipients to insure maximal tolerance and absorption.