I have tried PQQ. It helped me greatly with mental focus and concentration. I'm addressing your PQQ article on benzodiazipines http://www.dr-oz-reviews.net/dr

I have tried PQQ. It helped me greatly with mental focus and concentration. I'm addressing your PQQ article on benzodiazipines http://www.dr-oz-reviews.net/dr-oz/3462/pqq-supplements-brain-fog-from-benzo-withdrawal-anxiety-memory/ http://www.dr-oz-reviews.net/dr-oz/3462/pqq-supplements-brai... I was prescribed Xanax and had a hard time getting off of it. I had withdrawal symptoms for months. That's a nasty drug that shouldn't be prescribed.