Niacin flush is a skin flushing that can occur after taking higher doses of niacin (vitamin B3) as supplements or prescription medications. It is a harmless and temporary side effect that usually goes ...

The niacin skin flush response is a simple, non‐invasive test that measures vascular reactivity following the topical application of a niacin derivative. In healthy individuals, niacin prompts a rapid ...

A common vitamin called niacin may increase the risk of heart disease, a new study suggests, though complete elimination of niacin from the diet isn’t necessary, and researchers say more regulation ...