Vitamin C ??? ??? ??? The first option in ensuring an adequate intake of vitamins and minerals is a healthy diet rich in vitamins and minerals. ??? ??? ??? The best sources of carotenoids include pumpkin, carrots, squash, sweet potatoes, and apricots. ??? ??? ??? The vitamin that prevents beriberi is thiamin ??? ??? ??? Megadoses are defined as vitamin intake ________ times the estimated human nee