Calcium & Magnesium Citrate with D3 by Natural Factors $18.69 90 Tablets - $18.69 180 Tablets - $31.89 Size 90 Tablets 180 Tablets 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Helps in the development and maintenance of bones and teeth.* Adequate calcium and vitamin D throughout life, as part of a well-balanced diet, may reduce the risk of osteoporosis.*