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Vitamin B:
Riboflavin (vitamin B2):
Functions: Riboflavin is a water-soluble vitamin which helps all body cells produce energy and change tryptophan (an amino acid) into niacin (another B vitamin).
Deficiency problems: Severely malnourished people may suffer eye disorders (such as cataracts), dry and flaky skin, and a sore red tongue.
Food sources: Milk and other dairy products, enriched bread, cereal and other grain products; eggs, meat, green leafy vegetables, nuts, liver, kidney and heart.
Excess amounts: No problems have been linked to excessive riboflavin intake.
Thiamin (vitamin B1):
Functions: Thiamin is a water-soluble vitamin that helps all body cells produce energy from carbohydrates.
Deficiency problems: Alcoholics are frequently low in thiamin and suffer fatigue, weak muscles and nerve damage as a result.
Food sources: Whole-grain and enriched grain products, such as bread, rice, pasta, tortillas, fortified breakfast cereals, pork, liver and other organ meats.
Excess amounts: Excessive intake of thiamin is expelled in the urine.
Vitamin B6 (pyridoxine):
Functions: Vitamin B6 is a water-soluble vitamin which helps the body make proteins, which are then used to make body cells. It also helps convert tryptophan (an amino acid) into niacin and serotonin (a brain chemical). Vitamin B6 also helps produce other body chemicals such as insulin, hemoglobin and antibodies to fight infection.
Deficiency problems: Depression, nausea, mental convulsions in infants and greasy, flaky skin.
Food sources: Chicken, fish, pork, liver, kidney, whole grains, nuts and legumes.
Excess amounts: Can cause nerve damage.
Click on the list below to find more about the following vitamins.
1. Vitamins A2. Vitamins C
3. Why Vitamin C is so important
4. Vitamins D
5. Vitamins E
6. Vitamins K
7.Vitamins Overdose Guide Article