That's why Centrum for Men has been formulated specifically for men, based on the latest findings in nutritional science. Centrum for Men has more B vitamins, zinc and the antioxidant selenium to address the unique health needs of men. And that's on top of the complete formulation of vitamins and minerals that you trust from Centrum makers of the World's No. 1 multivitamin. Centrum for Men multivitamins are specially formulated with key nutrients to help meet men's nutritional needs. Centrum for Men contains B Vitamins (Thiamin, Riboflavin, Niacin, B6, B112, Folic Acid, Pantothenic Acid, and Biotin) that play an important role in converting proteins, fats, and carbohydrates into energy.