Calcium has several important roles within the body and most notably for maintaining strong bones. Diets often fall short of the recommended daily calcium intake, particularly in individuals with higher needs, such as older adults and postmenopausal women. In addition, vegetarian diets contain lower amounts of calcium. Poor Calcium and Vitamin D intake may lead to weak and porous bones (osteoporosis) that affects bone and joint health. In such a case, supplementation of calcium becomes critical. HK Vitals Calcium is a comprehensive nutritional supplement of a highly bioavailable form of calcium and vitamin D3 with the goodness of Mg, Zinc, and Hadjod that help maintain your bone and joints strong and healthy.