Is 400 mg of vitamin B2 too much for migraines or general health?
•
4 min read
According to the National Institutes of Health, a Tolerable Upper Intake Level (UL) has not been established for riboflavin due to its low toxicity. This suggests that for most individuals, higher amounts of vitamin B2 are generally not considered too much, especially when used under medical supervision for specific conditions like migraine prophylaxis.
