The best multivitamin for a man would include the following: Vitamin A: necessary for skin, eye, and immune health also, B vitamins involved in energy metabolism and red blood cell production which is very important for men. Also, Vitamin C essential for the immune system and collagen production and lastly Vitamin D important for bone, dental, immune, and prostate health. High Vitality Liquid Multivitamins meet and exceed all these requirements.