VitaminNo.003
Vitamin B2 (Riboflavin)
Energy production, antioxidant recycling.
Typical / RDA1.1–1.3 mg
Upper limitNone set
EvidenceStrong
How to take it
Timing MorningFood OptionalForm Riboflavin
What to know
Found in dairy, eggs, and greens. Harmless excess turns urine bright yellow. Some evidence for reducing migraine frequency at higher doses.
Interactions & cautions
- Very low risk; water-soluble and easily excreted.
Do you actually need it?
Rarely deficient. Migraine sufferers sometimes trial higher doses.
Questions people ask about vitamin b2 (riboflavin)
- Does Riboflavin (vitamin B2) Really Help with Migraine Prevention?Riboflavin (vitamin B2) shows strong evidence for reducing migraine frequency, particularly at higher doses. It's a low-risk, water-soluble vitamin.
- Thiamine and Riboflavin: Interaction, Absorption, and SafetyYes, thiamine (Vitamin B1) and riboflavin (Vitamin B2) are safe to take together. Both are water-soluble B vitamins with no set upper limit, and they do not compete for absorption.
Reference values: NIH Office of Dietary Supplements, adult general population. Educational information only — not medical advice. Confirm with a healthcare professional.