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Niacin, or vitamin B3, is a water-soluble B vitamin found naturally in some foods, added to foods, and sold as a supplement. The two most common forms of niacin in food and supplements are nicotinic acid and nicotinamide. The body can also convert tryptophan—an amino acid—to nicotinamide.
Feb 19, 2024 · Niacin was one of the first treatments prescribed to lower LDL or “bad” cholesterol. However, eventually niacin showed to be less effective than other cholesterol-lowering drugs and was associated with other negative effects and higher mortality rates in previous research. “Niacin’s effects have always been somewhat of a paradox,” Dr. Hazen said.
Niacin (also called vitamin B3) helps turn the food you eat into the energy you need. Niacin is important for the development and function of the cells in your body. How much niacin do I need? The amount of niacin you need depends on your age and sex.
