Riboflavin is vitamin B2, which is an important substance that promotes redox reactions in human cells and is involved in the metabolism of sugars, fats and proteins in the body, as well as maintaining normal visual function. If riboflavin is severely deficient in the human body, it will affect the biological oxidation process in the body, and metabolic disorders will occur, as well as a series of mucosal tissue lesions such as keratitis, blepharitis, conjunctivitis, and blepharitis. The body’s riboflavin is mainly taken in through food, generally speaking, this vitamin substance, the body is not able to normal synthesis, need to take in vitamins through food. The most important thing is to make sure that you don’t have a partial diet and that you have a balanced diet in order to get enough of these vitamins.