NutriVouch
Confidence level
Moderate evidence
375 studies

Vitamin B2 (Riboflavin)

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Absorption
Take with meals to enhance absorption. No significant interactions with other nutrients are known.
Daily Dose
Common dose: 5–20 mg daily
RDA: 1.3 mg for men, 1.1 mg for women
Upper limit: Not established
Best form: Riboflavin-5'-phosphate
Timing: Take with meals
Riboflavin is water-soluble and excess is excreted in urine. Consult a healthcare provider if taking high doses for specific conditions.
Food Sources
  • Beef liver2.9mg per 100g
  • Fortified breakfast cereals1.3mg per cup
  • Almonds0.3mg per 28g
  • Mushrooms (white, cooked)0.5mg per 100g
  • Eggs0.3mg per egg

Not medical advice