Supplements / Conditional
Riboflavin (Vitamin B2)
Best for: Nutritional coverage
Riboflavin (Vitamin B2) is rated good evidence (tier B on our evidence scale). 400 mg daily for migraine prevention; far lower (1–2 mg) for general adequacy. Morning with food; expect bright-yellow urine — that's harmless.
Sources last reviewed
When and how to take Riboflavin (Vitamin B2)
- Dose
- 400 mg daily for migraine prevention; far lower (1–2 mg) for general adequacy.
- Timing
- Morning with food; expect bright-yellow urine — that's harmless.
- Review
- Reassess after 12 weeks for migraine endpoints.
- Forms
- riboflavin, riboflavin-5-phosphate
What Riboflavin (Vitamin B2) is used for
- One of the better-evidenced single-supplement migraine prevention tools; cheap and very safe.
- General-population deficiency is rare in well-fed adults.
When Almavivo suggests Riboflavin (Vitamin B2)
- If you reported a migraine pattern: studied for migraine frequency in prophylaxis trials.
- If B-vitamin-relevant signs converged in your answers (e.g. cracks at the corners of the mouth, low fish or dairy intake) — riboflavin is one component; a B-complex may be a better starting point: studied for B2/B6 status in suspected mild inadequacy.
What to look for when buying Riboflavin (Vitamin B2)
- Preferred third-party verification: USP Verified.
- Common contamination risks: Mislabeling / identity.
- Form: Plain riboflavin (or R5P) at 400 mg/day is the classic migraine-prevention dose.
Where to get it
We’re building a curated list of third-party-tested products for Riboflavin (Vitamin B2). Each one will meet our quality bar (preferred certifications, contamination screens) and carry an explicit affiliate disclosure.
Your experience
If you’ve tried Riboflavin (Vitamin B2), you can log how it went. This stays on your device — only you see it.
We frame these as personal experience, not medical claims. Self-reported subjective outcomes are influenced by placebo, regression to the mean, and parallel lifestyle changes. We’ll never present ratings as equivalent to RCT evidence.
Research sources for Riboflavin (Vitamin B2)
- Riboflavin for migraine prophylaxis (reviewed 2026-04-30)
Related supplements
Almavivo is for education only, not medical advice. Check with a doctor or pharmacist before starting a supplement, especially if you take prescription medicine, are pregnant or breastfeeding, or have a long-term health condition.