na dont give up with the cleanseing. are you sure you dont have any signs of cacdida? candida will make you feel like its all for nothin. if you have any signs of too much yeast then i would work on that before or right after the kidney cleanse. yea i would do one thing at a time though. i dont know if your suposed to feel tired but i would stick with it if you can with out interfering with your job. good luck with the cleansing