DOCTOR'S BEST Niacin with niaXtend,...
Doctor's Best Time-release Niacin with niaXtend 500mg supports cardiovascular health and the maintenance of cognitive function with age. It supplies niacin in an 8-hour extended-release form that enables you to enjoy the health benefits of niacin without experiencing the uncomfortable skin flushing that commonly accompanies other forms of niacin. Niacin, also known as vitamin B3 and nicotinic acid, supports more than 500 enzymatic reactions that play pivotal roles in metabolism, energy production, and healthy aging