Niacin has other benefits. There's good evidence that it helps reduce atherosclerosis, or hardening of the arteries in some people. For people who have already had a heart attack, niacin seems to lower the risk of a second one. read more
Niacin is one of eight B-vitamins that are important for every part of your body. Luckily, you can get all the niacin you need through your diet. However, supplemental forms are sometimes recommended to treat certain medical conditions, including high cholesterol. read more