User Reviews for Riboflavin

Comments & ratings on the side effects, benefits, and effectiveness of riboflavin.

Most voted positive review

57 People found this comment helpful

After surviving a four day Migraine, I had to find help I could afford. No Doctors. No Prescriptions. ishonest and Mayo Clinic both said B2. Most reviewers here and on Amazon take 400 mg a day. I say start small. I take 200 mg (2 pills) a day on first break with FOOD. Food prevents upset stomach associated with taking vitamins. I also drink it down with Emergen-C. That's all! After a week up ...

Most voted negative review

9 People found this comment helpful

I began taking 25 mg per day of vitamin B2 (riboflavin) because of chronic migraines. I chose this dosage because I had seen a study 25 mg of B2 worked as well as higher doses. Unfortunately, after a month, there was no effect on my migraines. I also developed chest pain and heartbeat irregularities, which went gradually went away when I stopped the vitamin B2. I don't blame the brand I used -- th...

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