a few years ago I was told to take Niacin for something (honestly can't remember what) and I had an issue with facial flushing until I went to the flush free form which I no longer take. My question is that I recently started with the flushing again and the only thing I have added to my routine is a one a day vitamin with 18 mg. of Niacin in it, could that be causing the flushing to re-surface? thanks in advance
