It is used to help growth and good health. - It is used to stop or treat vitamin C deficiency. - It is used to lower the urines pH.Take Ascorbic acid exactly as directed by your doctor or pharmacist. Do not take more or less than instructed. - Ascorbic acid is available in different oral forms such as capsules, tablets, lozenges, syrup, chewable tablets, extended-release pills and liquid drops. - If you are taking the extended-release pills, swallow them whole. Do not chew, crush, cut or open these types of pills. - Take Ascorbic acid with a full glass of water.