Vitamin B3 - Niacin

Niacin is a water soluble vitamin that is needed for energy metabolism, proper digestion, and healthy nervous system. Foods rich in tryptophan(an amino acid), such as diary products, can compensate for a deficiency of Niacin in the diet because the body can convert tryptophan to niacin

Niacin Deficiency Symptoms

Vitamin B3 deficiency causes poor circulation, low metabolism of fats and carbohydrates, dryness, inflammation, fatigue, bad breath, abnormal skin pigmentation. A distinctive red rash appears on the hands, feet, calves, neck, face and the tongue. Acute deficiency of Niacin can lead to Pellagra. People who live in areas where maize or Indian corn is the main source of food are at increased risk of pellagra as maize is low in niacin and tryptophan. Also, the niacin in the maize cannot be absorbed in the intestine unless the maize is treated with an alkali.

Niacin supplements are suggested in the treatment of High Cholesterol.

Niacin Sources

Niacin is found in lean meats, liver, poultry, dairy produce, nuts, canned salmon and leafy green vegetables.

Niacin Toxicity

Large doses can cause dilation of the blood vessels and flushing of the skin. Time released niacin products may result in liver damage.