Vitamin B2, also known as riboflavin, is a water-soluble B vitamin that plays a central role in energy metabolism, helping the body convert carbohydrates, fats, and proteins into usable fuel. It also supports the function of other B vitamins by assisting in their activation, making it an important piece of the broader nutritional puzzle. Research suggests that riboflavin may contribute to maintaining healthy skin, supporting eye health, and aiding in antioxidant defense through its role in glutathione recycling. Studies indicate that riboflavin supplementation, particularly in its bioactive form riboflavin-5-phosphate, has been explored for its potential role in reducing the frequency of migraines, though individual responses can vary. As a nutrient not stored in large amounts by the body, consistent dietary intake is generally considered important.
Compare this supplementResearch suggests that riboflavin (vitamin B2) plays several distinct roles in eye health, with the strongest and mos...
View studies →Research suggests that riboflavin has been identified in multiple reviews as a promising option for migraine preventi...
View studies →Research suggests that riboflavin plays a broad and mechanistically important role in cellular metabolism, with studi...
View studies →Research suggests that the available studies linked here do not directly investigate Vitamin B2 (riboflavin) and nutr...
View studies →Research suggests that the available published evidence directly linking riboflavin supplementation to skin health ou...
View studies →These are commonly referenced dosage ranges for this supplement. They are not medical recommendations. Always consult a healthcare provider before supplementing.
| Form | Dose range | Frequency | Studied for | Source |
|---|---|---|---|---|
| Capsule | 10–50 mg | Daily | Nutrient absorption and deficiency correction | Common in clinical supplementation studies for mild-to-moderate deficiency |
| Capsule | 5–10 mg | Daily | Skin health and dermatological conditions | Used in clinical studies addressing seborrheic dermatitis and rosacea support |
| Tablet | 200–400 mg | Daily | Eye health and cataract risk reduction | Referenced in observational and supplementation trials on oxidative stress in the lens |
| Tablet | 1.1–1.3 mg | Daily | General health and metabolism support (RDA) | Based on US Dietary Reference Intakes; 1.1 mg for women, 1.3 mg for men |
| Tablet | 400 mg | Daily | Migraine prevention | Established in multiple RCTs, including Schoenen et al. 1998 (Neurology) |