Although nicotinic acid lowers cholesterol, it is also associated with some nasty side effects: flushing and night sweats. If you've ever suffered from these side effects from taking niacin, you may often wonder why you tolerate the side effects to lower your cholesterol. Some of you may have even stopped taking niacin because of this. Flush free niacin is a form of niacin that promises to alleviate these bad side effects, but does it really work to elliminate these effects? This article will tell you what makes flush-free niacin different, and whether or not it can help keep your cholesterol levels healthy.