Riboflavin, also known as Vitamin B₂, is a water-soluable vitamin which aids the release of energy from carbohydrates, proteins, and fats, in addition to promoting growth, maintaining the mucous membranes, skin, and eyes.

Symptoms of Riboflavin deficiency:

• Skin disorders, primarily near the nose and mouth
• Sensitive, itching eyes
• Emotional changes, such as depression

Good sources of Riboflavin:

• Milk and milk products
• Animal protein sources, such as meat, poultry, and fish
• Whole-grain and enriched cereals, pastas, and breads
• Vegetables such as broccoli, asparagus, and spinach

References:

• National Research Council. Recommended Dietary Allowances, 10th Edition. Washington: 1989.
• Brody, Jane. Jane Brody's Nutrition Book. Bantam Books. 1987.