PERFECT BLEND: Our one a day serving helps you reach your daily requirements for Vitamin D3, Magnesium, Zinc and Calcium. The blend works together with the Vitamin D known to aid the absorption of Calcium. ADDITIONAL IMMUNTITY SUPPLEMENT SUPPORT: Zinc and Vitamin D3 contribute to the normal function of the immune system and to the protection of cells from oxidative stress for long lasting immune support. Vitamin D also helps the normal absorption of Calcium as well as normal blood calcium levels, normal bones and muscle function. Zinc contributes to the maintenance of normal bones, hair, nails and skin. FULL YEARS SUPPLY: Our 365 Calcium, Magnesium, Zinc and Vitamin D3 Supplement tablets are designed to take one per day giving a full 12-month supply. WHAT ARE THE BENEFITS of CALCIUM and MAGNESIUM? Calcium and Magnesium contribute to normal muscle function and help maintain normal bones and teeth. Magnesium also contributes to normal functioning of the nervous system and normal cell division. MADE IN THE UK: To ensure the highest quality product, we work with our UK partners who manufacture to the highest standards in the world (GMP and BRCGS). This multivitamin and minerals product and our entire range is made right here in the UK using the highest purity ingredients available.