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 ...

New research shows high levels of niacin has been linked to an increased risk of heart disease. Niacin, also known as vitamin ...

A niacin deficiency can also cause headache ... Experts recommend taking 250–500 milligrams (mg) of niacinamide per day for a ...