Vitamin D3 (Cholecalciferol) 600 IU (15 mcg) Vegetable Capsules is a premium formula delivering vitamin D in the form that is easiest to use by the body - D3. Supporting optimal wellbeing, the benefits of the \"sunshine vitamin\" are numerous and well documented, but particularly for immune and bone health. Vitamin D is a fat-soluble vitamin that is required to promote calcium absorption, which helps to maintain healthy bones and teeth. Obtained from the sunlight or vitamin D rich foods - over a billion people worldwide have very low levels of vitamin D. In addition to changing your diet and lifestyle, taking a vitamin D supplement is a good way to top up, especially in winter months.   This premium product is one of Solgar\'s range of D3 formulations, available in variable doses and forms. 15 mcg Vitamin D3 with its 1 a day dosage, contributes to: Normal function of the immune system Maintenance of normal bones and teeth Normal absorption of calcium and phosphorus Normal blood calcium levels Maintenance of normal muscle function