The gym portion of your healthy weight loss and quick weight loss is si Thin Zone Keto mple. You do three exercises per muscle group, and do two muscle groups per the other muscle groups. If this is the case, then the fourth day is a complete day of rest. In order to be completely successful in your healthy weight loss and quick weight loss journey, you must give your body time to recuperate. You are giving your body the nutrients that it needs to recuperate from your healthy weight loss and quick weight loss efforts, but the last ingredient is rest.