What do all the vitamins do?

[dharani0022]

Popping Vitamins and mineral supplements might feel virtuous, but it actually carries surprisingly few health benefits and could even do harm, according to researchers. ... While the review found that taking multivitamins, vitamin D, calcium, or vitamin C dono harm, “there is no apparent advantage either," he said.

http://jrhonest.com/the-vitamins-essential-for-the-diet/