ASKyle wrote: » I do not think it is something to be concerned about. I went through a course of Accutane 8 years ago, which if I'm not mistaken is comparable to 100,000 to 250,000 IU (anyone feel free to correct this). Granted, it was done under a doctors supervision with blood and urine tests, but my point is that going over on a vitamin isn't going to kill you.