SlimFast Original products typically have fewer calories, but they may also contain less protein and fiber compared to the Advanced Nutrition line. On the other hand, SlimFast Advanced Nutrition products offer higher protein and fiber content, which can help individuals feel fuller for longer and minimize cravings.

Disadvantages of SlimFast:

• It requires use of their products, which may be expensive for some people.
• It focuses mainly on counting calories rather than paying attention to nutrition and healthy eating habits, so it may not be the healthiest diet plan.
• Dieters may gain weight once they stop following the plan.

While the SlimFast diet may help you lose weight, the products are expensive and highly processed and don't provide enough calories to replace a meal. What's more, the SlimFast diet doesn't provide support or teach you skills to help manage your weight when you discontinue the program.

Yes, Slimfast can work for weight loss. Structured programs, like this one, work for people who don't want to count calories. Studies show that people lose more weight when they eat portion-controlled meals or meal replacements.

However, nutrition experts do not recommend SlimFast as a long-term eating plan.

With the Slimfast plan, you eat two Slimfast meal replacements, three 100-calorie snacks (Slimfast snack bars, fruits, veggies, or even nuts), and one 500-calorie meal that you provide. With this plan you can eat 6 times per day. The program says you can lose a safe 1 to 2 pounds per week with this strategy.

The SlimFast® Plan is clinically proven to offer a weight loss of between 1-2lbs a week. On average, the plan allows 1,200 calories per day for women and 1,600 calories per day for men. The average woman consumes around 2,000 calories a day.

The SlimFast® Plan is clinically proven to offer a weight loss of between 1-2lbs a week. On average, the plan allows 1,200 calories per day for women and 1,600 calories per day for men. The average woman consumes around 2,000 calories a day.

The SlimFast Plan is designed to deliver a total intake of approximately 1,400 calories a day for women and 1,600 calories a day for men. It creates a weekly energy shortfall that should result in 1 to 2 pounds of weight loss a week.

SlimFast is best for people who need to lose about 20 pounds, which should take approximately eight to 10 weeks.

The SlimFast® Plan is clinically proven to offer a weight loss of between 1-2lbs a week. On average, the plan allows 1,200 calories per day for women and 1,600 calories per day for men. The average woman consumes around 2,000 calories a day.