Natural Factors Riboflavin B2, 100 mg, 90 TabletsNatural Factors B2 Riboflavin, 100 mg, 90 Tablets, provides essential support for the metabolism of carbohydrates, fats, and proteins, contributing to increased energy production in the body. Each tablet contains 100 mg of riboflavin, a watersoluble vitamin crucial for maintaining good health. Riboflavin functions as a coenzyme in energy metabolism and is necessary for normal growth, red blood cell formation, antibody production, and cell respiration.