From the Cover: Strongly bound citrate stabilizes the apatite nanocrystals in bone. Proceedings of the National Academy of Sciences, 2010; 107 (52): 22425 DOI: 10.1073/pnas.1009219107 ...

Supplements containing calcium citrate had a greater effect on biochemical markers of bone resorption than those containing calcium carbonate, suggesting that they may be better at preventing bone ...