Niacin, also known as vitamin B3 and niacinamide, is a water-soluble vitamin that plays an important role in heart health. A niacin flush can be a temporary side effect of taking niacin (vitamin B3), or it can be the intentional act of taking higher doses of niacin for a particular health concern. What are some … Continue reading Niacin Flush: Heart-Healthy Treatment or Hazardous Health Risk?