Specifically formulated to support the nutritional status in the over 65s, with added digestive factors. B vitamins and Iron contribute to a reduction tiredness and fatigue. Vitamin C and Vitamin D contribute to the normal function of the immune system. Vitamin D aids in the maintenance of normal bones. Vitamin B12 and folic acid contribute to normal homocysteine metabolism. Zinc contributes to the maintenance of normal vision. Cross-checked against common prescription medicines, but check with your GP if you have concerns.