I had tried Chantix and welbutrin before vaping. I was never able to make it to the stop smoking part. With my first ego I finished a pack and never looked back.
I tried the Wellbutrin years ago on the recommendation of my shrink. Just my luck, I was one of the few with the paradoxical effects. Mild gentle me became extremely anxious and violent. Horrendous. Stopped it after three weeks. It was so bad that my two best friends (non-smokers) both offered to buy me cigarettes!