Optimum Strength Vitamin D for health & Wellness Vitamin D plays a truly remarkable role in the body and is important for many areas of health. It is best known for contributing to the normal absorption and utilization of calcium and contributing to the maintenance of normal bone and teeth. Vitamin D is synthesized by the body on exposure to sun light. Many people are now following heath advice to avoid too much sun exposure, which reduces Vitamin D levels inthe body. D-Dose provides the preferred D3 form as produced In the body on exposure to sunlight. Vitamin D contributes to the maintenance of normal: