Read the Patient Information Leaflet if available from your pharmacist before you start taking niacin and each time ... You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov ...
A disease cause by niacin deficiency (pellagra). Niacinamide prescription products are US FDA approved for preventing and treating pellagra. It's sometimes preferred over niacin because it doesn't ...
A vitamin B supplement currently being recalled in the U.S. and Canada due to incorrect formulation has been given a moderate to high risk level by the Food and Drug Administration (FDA).