Niacinamide (also known as nicotinamide) is a topical form of niacin or vitamin ... Those who use vitamin C products should avoid using this serum as niacinamide negatively impacts the integrity ...

Both Marvasti and Thosani say that as a supplement, niacin is generally safe because, inside the body, it becomes a ...

Niacin, a B vitamin, has been prescribed for years to treat high cholesterol. Doctors often give it to patients along with statins to reduce the risk of heart disease. But a new study has noted ...