If you’ve ever been told to eat your carrots for better eyesight, you’ve already met vitamin A’s most famous claim to fame. But this nutrient is far more than vision insurance. “Yes, vitamin A is ...

Zinc and vitamin A together can produce a synergistic effect to improve vision, immunity and other vital functions.

The best time to take vitamins depends on the type and if they need to be taken with food. Water-soluble vitamins should be ...