Pick 2 shakes a day. Artificially flavored. 180 calories. 3-2-1 Plan: Lose weight now! Pick 3 nourishing snacks a day. Fruit, veggies or a Slim-Fast 100 calorie Snack Bar. Choose 2 Slim-Fast 180-200 calorie shakes or meal bars. Have 1 sensible 500 calorie meal. Quality is our No. 1 priority.