While its reputation is at times dismissed as folklore or the efforts of orange juice marketing campaigns, vitamin C’s ...

The only vitamins which the clerk in the grocery and the cook in the kitchen know about are A for clear vision, B for sound nerves, C for healthy muscles and D for sturdy bones. Nutritionists, however ...

Find out how vitamin C and vitamin D function in your body, their role in immune defense, and how much you may need for optimal support.

Vitamin C may help shorten how long cold symptoms last and their severity when used before cold symptoms start, but not after a cold begins.