Calcium Magnesium Vitamin D3 2:1 Ratio from Webber Naturals provides chelated forms of essential minerals for enhanced absorption. A ratio of these nutrients supports healthy bones and teeth and proper muscle function.Free of: Artificial colours, preservatives, or sweeteners no dairy, sugar, wheat, gluten, yeast, soy, egg, fish, shellfish, salt, tree nuts, or GMOs. Suitable for vegetarians. Each Easy-to-Swallow Caplet Contains: 333 mg of Calcium, 167 mg of Magnesium and 200 IU of Vitamin D3. May Help Prevent Osteoporosis: A combination of calcium, magnesium, and vitamin D, alongside a healthy diet and regular exercise, may help reduce the risk of developing osteoporosis. Three Trusted Bone Nutrients in One Tablet: Magnesium and vitamin D3 facilitate proper calcium absorption, use, and storage, and are often recommended alongside long-term calcium supplementation to minimize the potential for kidney stone formation and possible cardiovascular problems. Easily Absorbable Supplement: The chelated forms of calcium (carbonate, citrate, fumarate, malate, succinate) and magnesium (oxide, citrate, fumarate, malate, succinate) allow the minerals to be more readily absorbed and metabolized by the body. Helps Support Bone Health: Calcium is one of the most essential minerals in the human body, playing many roles in the maintenance of good health. Most importantly, calcium is known as a bone-strengthening mineral.