-. Binding : Health and Beauty -. Brand : Ester-C -. Feature : unique, patented form of calcium ascorbate / provides part of your daily calcium requirements / enhance cellular absorption and retention / proven to last up to 24 hours / Less acidic and easier on the stomach than ascorbic acid -. Label : Ester-C -. Manufacturer : Ester-C -. ProductGroup : Health and Beauty -. ProductTypeName : HEALTH_PERSONAL_CARE -. Publisher : Ester-C -. Studio : Ester-C -. Title : Ester-C® 1000 mg with Zinc, 180 tablets