Niacin (nicotinic acid but not nicotinamide) in high doses may be prescribed to improve cholesterol and triglyceride (lipid) levels in the blood.
Niacin , a B vitamin, is essential for the processing (metabolism) of carbohydrates, fats, and many other substances in the body and for the normal functioning of cells. Good sources of niacin include dried yeast, liver, red meat, poultry, fish, legumes, and whole-grain or enriched cereal products and bread.
The term

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