13 Essential Vitamins Cheat Sheet
13 Essential Vitamins Cheat Sheet. There are 13 Vitamins Your Body Needs. They are vitamins A, C, D, E, K and the B vitamins (thiamine, riboflavin, niacin, pantothenic acid, biotin, vitamin B-6, vitamin B-12 and folate). This chart include natural sources, signs of deficiency, type and function.