The first few days of any low carb diet can be rough..your body is completely changing its fuel source. Read Dr Eades tips http://www.proteinpower.com/drmike/...-low-carb-pt-i/. And all the great Newbie Tips here. Be sure you get enough salt, broth is good for that and filling too. After 3-5 days of adjustment, many experience increased energy, and after a few short weeks less joint pain, improved skin, and definitively less bloating. That initial water loss feels great..hang in there. Both Stillman and Dukan present their plans as fast and short-term solutions, and then give different options for how to keep it off after reaching goal.