Ariboflavinosis is a medical condition caused by a deficiency of Vitamin B2, also known as riboflavin. There are a few synonyms for ariboflavinosis, which include riboflavin deficiency, vitamin B2 deficiency, riboflavin deficiency disease, and ariboflavinosis disease. Riboflavin is an important vitamin that helps the body in many ways, such as breaking down carbohydrates, proteins, and fats, and helping to convert food into energy. When the body is deficient in riboflavin, it can cause a number of health problems, including anemia, mouth or lip sores, skin rashes, and eye problems. It is important to maintain a balanced diet and include foods high in riboflavin to avoid ariboflavinosis.