Solaray Cal-Mag Citrate with Vitamin D is provided in a 1:1 Ratio. The Calcium and Magnesium inSolaray Cal-Mag Citrate With Vitamin Dare chemically bonded with natural citric acid to form Calcium Citrate and Magnesium Citrate. Vitamin D has also been added to Solaray Cal-Mag Citrate With Vitamin D
