Vitamin B2 (Riboflavin): Benefits and Sources
Health Benefits of Vitamin B2
Vitamin B2, also known as riboflavin, is a water-soluble vitamin that plays a crucial role in maintaining overall health. Here are its primary benefits:
1. Energy Production
- Helps break down carbohydrates, fats, and proteins into energy.
- Plays a key role in the electron transport chain, supporting ATP production.
2. Cellular Function & Growth
- Essential for cell growth, development, and function.
- Helps maintain healthy skin, eyes, and nervous system.
3. Antioxidant Support
- A component of glutathione reductase, an enzyme that fights oxidative stress.
4. Red Blood Cell Formation
- Helps in the production of healthy red blood cells, which carry oxygen throughout the body.
5. Supports Eye Health
- May reduce risk of cataracts and support overall visual function.
6. Metabolism of Other B Vitamins
- Helps activate vitamin B6 and convert tryptophan into niacin (vitamin B3).
Top Dietary Sources of Vitamin B2
You can get riboflavin from both animal and plant sources:
Animal Sources:
- Liver (beef, chicken): Extremely rich source
- Eggs
- Milk and dairy products (cheese, yogurt)
- Lean meats (beef, pork)
- Fish (salmon, mackerel)
Plant-Based Sources:
- Green leafy vegetables (spinach, kale, collard greens)
- Almonds
- Mushrooms
- Legumes (lentils, chickpeas)
- Whole grains and fortified cereals
- Enriched bread and pasta
RDA (Recommended Daily Allowance)
| Age Group | RDA (mg/day) |
|---|---|
| Adult Men | 1.3 mg |
| Adult Women | 1.1 mg |
| Pregnant Women | 1.4 mg |
| Breastfeeding Women | 1.6 mg |
Deficiency Symptoms
While rare in developed countries, deficiency can lead to:
- Cracked lips or mouth corners
- Sore throat
- Swollen or inflamed tongue
- Dry skin
- Sensitivity to light
- Fatigue