vitamin B is a list of multiple vitamins like B1, B2, B6, B12, niacin, folic acid, biotin, and pantothenic acid. Vitamin B aids in generating energy that the body utilizes to carry out its activities. Vitamin B also participates actively in making red blood cells that carry oxygen to different parts of your body. Rich sources of vitamin B include whole grains, such as wheat and oats, fish and seafood, leafy green vegetables, dairy products like milk and yogurt, beans and peas