Varenicline
"I've been smoke free for almost 6 months now. i completed the 12 weeks course and I was so thankful since i didn't experience anything "bad" while taking champix. i was still thinking about smoking on my 3rd month but telling myself ive made that far and i dont want to ruin it. from the 4th month till today -- very seldom im thinking about smoking. thanks to champix for helping me to quit."