What is it?Holland & Barrett Vitamin D contributes towards the maintenance of normal bones and muscles, as well as to the normal function of the immune system.Contributes To the Maintenance of Normal Bones and Muscle Function Supports the Immune System Suitable For Vegetarians What Are the Benefits of This Supplement?Vitamin D is one of the body’s most important vitamins, helping it with a variety of tasks: Vitamin D contributes to the normal function of the immune system and is very important for the body’s structural system, maintaining normal bone and muscle function. Vitamin D3 also contributes to the normal absorption and utilisation of Calcium and Phosphorus. When exposed to sunlight, our bodies will naturally make vitamin D3. This process happens when ultraviolet B (UVB) radiation from the sun triggers the 7-dehydrocholesteol to produce D3. Research suggests that everyone over the age of one years should have a daily intake of at least 10µg of Vitamin D per day to protect bone and muscle health. Government advice is that everyone should consider taking a daily vitamin D supplement, especially during the Autumn and Winter. Holland & Barrett International Limited, Barling Way, CV10 7RH, UKHolland & Barrett Limited, 45 Henry St, D01 E9X8, Ireland