Many adults lose bone density as they age, leading to brittle bones that fracture easily. Ensuring sufficient calcium intake daily can go a long way towards protecting overall bone health. While calcium is known to be essential for the formation and maintenance of strong healthy bones and teeth.Calcium is also necessary to help battle the harmful effects of Osteoporosis and Alzheimer's and Parkinson's diseases. it encourage the easy absorption of calcium into the blood. Calcium in the form of calcium citrate is better absorbed by the body and works regardless of stomach acid content. Vitamin D3 further increases calcium absorption to help maintain healthy bones and teeth and relieves symptoms of calcium deficiency such as muscle cramps, constant fatigue, brittle nails and joint pains.