I have a question for those of you taking GNC Ultra Nourishair and Biotin supplements. I noticed that GNC Ultra Nourishair has 1200 mcg of Biotin which is 400% of the daily value. Just wondering if you all feel that taking an extra Biotin supplement really makes a difference in hair growth. I thought that anything over 100% was just flushed out by the body. Am I wrong? Just wondering because I am presently taking GNC Ultra Nourishair and thinking about adding a Biotin supplement. I've been using GNC Ultr Nourishair for a month now and I am already seeing hair growth. /images/graemlins/smirk.gif