We are introduce as a Manufacturer, Supplier, Trading Company of Calcium Citrate in Chandigarh, India. Calcium citrate is the calcium salt of citric acid. It is commonly used as a food additive, usually as a preservative, but sometimes for flavor. In this sense, it is similar to sodium citrate. Calcium citrate is also used as a water softener because the citrate ions can chelate unwanted metal ions.