Calcium citrate is a new generation nutrition supplement products of calcium. Not only calcium citrate doesn't need gastric acid to activate absorption,but also calcium citrate's solubility in blood is higher than oxalate with could formate calculus easily because citric acid root will rob calcium ions in stones, such usage can prevent calculus pretty good. Yet calcium carbonate has the disadvantage to produce carbon dioxide so as lead gaseous distention. Those advantages make calcium citrate to be a better calcium supplement products better than any other calcium source products.
Calcium citrate is a better calcium supplement for children whose stomach effectiveness has not yet fully completed, for the old whose gastric acid's secretion reduce gradually and for patients. It has come into popular in nutrition medical field both at home and aboard.