Solaray Cal-Mag Citrate with Vitamin D 2:1 RatioThe Calcium and Magnesium in Solaray Cal-Mag Citrate With 400 IU Vitamin D are chemically bonded with natural citric acid to form Calcium Citrate and Magnesium Citrate. 400 IU Vitamin D has also been added to Solaray Cal-Mag Citrate to enhance absorpti
