Slim-Fast! 3-2-1 Plan. New Great Tasting Bars. With 100 Nourishing Calories. Choose 3 Snacks a Day. 3 Snacks 2 Slimfast Meal Bars or Shakes Plus 1 Sensible Meal. Rich chocolate chips and crunchy crisps dipped in a sweet smooth vanilla coating. You can enjoy it anytime as a snack in your Slim-Fast® 3-2-1 Plan. . A simple daily plan to help you get results and Lose Weight Now! . • Pick 3 nourishing shacks 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. . After you have achieved your weight loss goal keep the weight off with one Slim-Fast Meal a day your sensible eating habits daily physical activity and drinking plenty of water. Return to the weight loss plan if you start regaining the weight.