Essential for Bone HealthRestores Low Vitamin D LevelsDietary SupplementNatrol® Vitamin D3 is known for its ability to help build strong bones, support immunity, heart health and more. Natrol Vitamin D3 Maximum Strength helps you get the Vitamin D3 you need. Research shows that Vitamin D plays a much larger role in promoting health than simply helping build strong bones. Vitamin D helps regulate healthy cell growth, supports immunity, heart health and healthy aging. Known as Cholecalciferol, D3 is the natural form of Vitamin D and usually obtained through diet or produced by the skin from the ultraviolet energy of the sun. Poor diet and lack of sun exposure can result in inadequate intake of Vitamin D for optimal health.May help promote prostate, breast and colon healthEssential for bone, heart and immune healthIn addition to helping build bones, Vitamin D3 helps support immune, healthy aging and heart health. Go ahead, own your health with Natrol Vitamin D3 Maximum Strength.