There are many different B vitamins, including B1, B2, B6, B12, niacin, folic acid, biotin, and pantothenic acid.1 B vitamins are important for children as they support the metabolism, or energy expenditure—they help your body convert food into energy to do daily activities and basic bodily functions.1 They also help make red blood cells.1 Vitamin B12 for kids Vitamin B12 is particularly important for children as it supports brain development and creating red blood cells.4 Foods rich in B vitamins B vitamins are present in a variety of foods:1,5 Meat Poultry Fish Dairy milk Soy products like tofu and soy milk Eggs Fortified breads and cereals