Vitamin B2 plays a role in the maintenance of the nervous system, digestion and energy management. It is also important for a healthy skin and vision. Vitamin B2 contributes to the protection of body cells from oxidative damage caused by air pollution and UV radiation. Vitamin B2 is part of the vitamin B complex.


Important sources of vitamin B2 are dairy products, meat (products), vegetables, bread, fruits and cereals.



A lack of vitamin B2 can cause skin infections, such as fissures in the corner of the mouth. A shortage reduces the strength of the collagen in skin and hair. Vitamin B2 shortage can lead to a reduction in hemoglobin content and can cause fatigue.


There are little to no known adverse effects of excessive intake of vitamin B2. Who receives more vitamin B2 than he or she needs, pees out the surplus.