How excess niacin may promote cardiovascular disease

https://www.nih.gov/news-events/nih-research-matters/how-excess-niacin-may-promote-cardiovascular-disease At a Glance A metabolite of niacin (vitamin B3) was associated with elevated risk of heart attack and stroke, likely due to inflammation in arteries. The findings suggest new measures that may prevent or treat cardiovascular disease and raise concerns about the health effects of too much niacin.