Mara Nutra Drink plenty of water also helps to build muscles like they do keep the body well hydrated. What most people do not realize is that water helps the body burn fat and maintains a Slim Body. If you are dehydrated, your body is more focused on obtaining water than other functions, such as muscle or fat burning building. Drinking cold water is recommended that cold water helps the body burn more calories. Keeping your body hydrated helps to be able to function properly.