vitamin b2 migräne：Vitamin B2 can prevent migraine. Compared with other migraine drugs, vitamin B2 has less side effects and low cost. It has the best effect on patients who only have migraine a few times a month. Most of them have been used for more than three months. So don’t worry too much about its side effects. This kind of headache is not a matter of one or two days, and the phenomenon of patients taking vitamin B2 on their own has not been alleviated.