Support healthy bones and teeth, the immune system, and muscle health with Your Personalised Vitamins Vitamin D3 20,000 iu food supplement. Your Personalised Vitamins Vitamin D3 20, 000 iu is a food supplement containing Vitamin D3. Vitamin D3 contributes to the normal absorption and utilisation of calcium and phosphorus, the maintenance of normal bones and teeth, normal blood calcium levels, the maintenance of normal muscle function, and the normal function of the immune system. It also plays a role in the process of cell division. Key features of Vitamin D3 Suitable for vegetarians Peanut free Dairy Free Gluten free Made in the UK