Niaspan, a new sustained-release niacin
There are lots of ads for Niaspan, a new sustained-release niacin.It's available by prescription only.
Sustained-release niacin causes less flushing than regularniacin...but it can also cause more liver toxicity.
Niaspan seems to be safer. This might be because patientstake a lower dose...just 1000 mg to 2000 mg/day.