New research reveals a surprising link between excess niacin, also known as vitamin B3, and an increased risk of heart attack and stroke. While niacin has long been used to manage cholesterol levels, recent findings suggest that high levels of a metabolite called 4PY may actually promote vascular in

New research reveals a surprising link between excess niacin, also known as vitamin B3, and an increased risk of heart attack and stroke. While niacin has long been used to manage cholesterol levels, recent findings suggest that high levels of a metabolite called 4PY may actually promote vascular in