Riboflavin is a vitamin B complex. It is needed to help breakdown fatty acids in the body.

recommendation: 1.4-1.7 mg for men, 1.2-1.3 mg for women.
foods in: beef liver, mushrooms, spinach, broccoli, and milk.

A crystalline orange-yellow pigment, C17 H20 O6 N4, the principal growth promoting factor in the vitamin B complex, found in milk, leafy vegetables, fresh meat, egg yolks, and produced synthetically.