Slim-Fast! 3-2-1 Plan. Choose 3 Snacks a Day. 3 Snacks 2 Slimfast Meal Bars or Shakes Plus 1 Balanced Meal. Sweet Satisfaction - 9 Vitamins & Minerals • 3 g Fiber • 100 Calories Per Bar. A chewy fudge brownie smothered in decadent chocolate. You can enjoy it anytime as a snack in your Slim-Fast® 3-2-1 Plan. . A simple and clinically proven plan to help you Lose Weight Now! . • 3 nourishing snacks a day - Fruit Veggies or a Slim-Fast 100 Calorie Snack Bar. • 2 Slim-Fast shakes or meal bars per day. • 1 balanced 500 calorie meal per day. . 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.