Centrum men 50 is a complete multivitamin tailored to the changing health needs of men over 50with adjusted levels of key nutrients such as b vitamins to help release energy from food vitamin c zinc and selenium to support the normal function of the immune system vitamin a and b2 to support normal vision and vitamin b1 to support normal heart functiondirections take one tablet daily with water preferably with food do not exceed the recommended daily dosesuitable for adult men aged over 5