It's perfectly normal not to feel anything at all. Some people will feel it the first time, others will never notice it. I usually feel a little tingling when I Zap. You may however notice a little detox at first, maybe a little achy or tired, but it will pass. Just keep it up. 1-2 weeks of daily zapping is a good idea for your first time, and after that occasionally is generally good. Drink lots of water! Do you have one that you stand on or use your hands?