6. Get Religious About Tracking Calories
Fire up the app after each meal and snack (or before, as some members do, setting limits on what they will eat). Many packaged and chain restaurant foods are in the database, as are many recipes and member-entered values for common dishes. However, be aware that community-entered data can vary widely—you can find a serving of "homemade lasagna" on MyFitnessPal at 132 calories, another at 350, another at 540.