I would get one with both the paddles and pads. Be careful not to zap for more than an hour a day at first because bio-resonance is a really strong detoxifier. You should take vitamin c with this.
There are other zappers you could buy, but I've used this zapper with success.
3) Oxygen Therapy
3.1) Supplements - OxyLift, Oxygen Elements, or Vital O
3.2) You could even start ingesting Hydrogen Peroxide drops. Do a search on Hydrogen Peroxide Therapy