FitSugar's Health Guide! FitSugar has added an exciting feature to help you stay on top of all your everyday health issues. Introducing the FitSugar Health Guide! Knowledge is power, and we now have plenty of health information to keep you in the know about your body and heath-related news. Not only can you find health headlines on our new Health Guide, but overviews of popular prescription drugs as well. There's also an entire section of helpful interactive tools, including a Nutritional Needs index and a Calories Burned calculator — all the tools to help you stay healthy and fit.