Rainbow Light Calcium Citrate With Vitamin D is a dietary supplement that provides an easy way to help build and maintain good bone health (1). Adequate calcium and vitamin D throughout life, as part of a well-balanced diet, may reduce the risk of osteoporosis (1). And this calcium supplement contains 800 mg of calcium, which is equivalent to 62% of the recommended daily value of calcium to support good bone health (1). Each serving of these calcium supplements for men and women also contains 800 IU of vitamin D3 to enhance calcium absorption (1). This Rainbow Light vitamins supplement is formulated with high potency vitamin D and is an excellent source of calcium citrate, boron and organic spirulina. These calcium with vitamin D mini tablets contains no added magnesium for those with high magnesium diets or sensitivities. Founded in 1981 in Santa Cruz, California, Rainbow Light has been passionate about holistic wellness and creating nutritional supplements that prioritize potency and results for over 40 years. (1) These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.