Calcium Ascorbate Plus Bioflavonoids V054 Looking for a high potency vitamin C 500mg in a nonacidic form Then this product may be for you. This form of vitamin C is less acidic than isolated ascorbic acid & therefore gentler on the stomach. Recommended Intake One tablet as a food supplement or as directed by a practitioner. Vitamin C Ascorbic Acid is an essential watersoluble vitamin that cannot be manufactured by or stored in the body so needs to be replaced on a daily basis.