Nutrition and Supplements Vitamins and minerals Solgar Vitamin D3 2200 iu (55 μg) (Cholecalciferol) 100 Capsules 50 Vegetable capsules are a high-quality formula that provides vitamin D in the form best processed by the body, D3. The benefits of the "sunshine vitamin" are numerous and well-documented, but it is especially indicated for a healthy immune system and bones. Vitamin D is a fat-soluble vitamin necessary to stimulate calcium absorption, which helps maintain healthy bones and teeth. It is obtained through sun exposure and from foods rich in vitamin D. More than one billion people around the world have very low levels of vitamin D. In addition to dietary and lifestyle changes, taking a vitamin D supplement is a good way to replenish your stores, especially during the winter months. Contributes to: - Normal functioning of the immune system. - Maintenance of normal bone and tooth structure. - Normal absorption and utilization of calcium and phosphorus. - Normal blood calcium level. - Maintenance of normal muscle function.