Vitamin B2 or riboflavin, also known as vitamin G, is essential for growth and general health as also for healthy eyes, skin, nails and hair. It helps eliminate sore mouth, lips and tongue. It also functions with other substances to metabolize carbohydrates, fats and proteins.
The main sources of this vitamin are green leafy vegetables, milk, cheese, wheat germ, egg, almonds, sunflower, seeds, citrus fruits and tomato. Its deficiency can cause a burning sensation in the legs and tongue, oily skin, premature wrinkles on face and arm and eczema.
The recommended daily allowance of this vitamin is 1.6 to 2.6 milligram for adults and 0.6 to 1 milligram for children. Its use in larger quantities say from 25 to 50 milligram is beneficial in the treatment of nutritional cataracts and other eye ailments, digestive disturbances nervous depression, general debility and certain types of blood pressure.