Riboflavin is a type of B vitamin. It is water soluble, which
means it is not stored in the body. You must replenish the
vitamin in your body every day. Riboflavin (vitamin B2) works
with the other B vitamins. It is important for body growth and
red blood cell production and helps in releasing energy from
carbohydrates. The following foods provide riboflavin in the
diet: Breads and cereals are often fortified with riboflavin.
Fortified means the vitamin has been added to the food. Because
riboflavin is destroyed by exposure to light, foods with
riboflavin should not be stored in glass containers that are
exposed to light. Deficiency of riboflavin is not common in the
United States because this vitamin is plentiful in the food
supply. Symptoms of a severe deficiency include: Because
riboflavin is a water-soluble vitamin, leftover amounts leave
the body through the urine. There is no known poisoning from
riboflavin. The Recommended Dietary Allowance (RDA) for vitamins
reflects how much of each vitamin most peop