Slim-Fast Logo
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Author: Kaitlyn Short

LAST UPDATED: March 6th, 2022

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The Good

  • Weight loss
  • Flexibility
During the first week of Slim Fast, you will probably drop 2-3 pounds. Slim Fast greatly limits the number of calories consumed each day, so expect a dramatic weight loss. This diet combines eating their products with making your own healthy meals, so if you want some flexibility, Slim Fast is perfect. You can also just pick Slim Fast products up at your local grocery store for a relatively low price.
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The Bad

  • Selection
Slim Fast only offers bars and shakes to dieters. Their limited selection can grow old very quickly. While you might be able to keep up with replacing one meal with a Slim Fast product for a while, the small selection can get old fast. TBC has a few concerns with Slim Fast:
  • The diet may not provide adequate calories or nutrition
  • There is no health coach or outside support
  • There are only 3 types of "meals" to choose from
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The Bottom Line

Slim Fast is great for people who want to do just that - lose a few pounds quickly. Dieters do not consume very many calories on Slim Fast, so it's okay for a few days, but not long-term. However, if you want to replace a meal or snacks with Slim Fast products, that seems to be more sustainable.
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Star Rating

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3.9

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37 Reviews

Review Breakdown

5 grade

41%

4 grade

30%

3 grade

16%

2 grade

8%

1 grade

5%

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Susan Stewart Salt Lake City, UT

I started Slimfast when they first came out and have used them here and there since. My kids have also used them. They taste pretty good. I don't think it ever really made me lose weight, but it was an easy quick breakfast on the go.

9 years ago

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Myken , UT

I have used Slim-Fast to try to lose weight but felt like I was starving on their program and didn’t like my meals being replaced with a drink. It was I satisfying.

6 years ago

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ChanceyParker Jackson, MS

Chocolate is the best flavor. I don’t agree with the 3-2-1 steps for losing weight because I was typically left hungry throughout the day. But the shakes are great.

6 years ago

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Ashley Johnson Las Vegas, NV

Worked well when I was on it, but not sustainable for my life style. Plus I quickly regained the weight I had lost after going off of it.

5 years ago

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L. Fowler Pleasant Grove, UT

I bought their shakes for a breakfast meal supplement. They were not the most tasty for the price.

8 years ago

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Jeff Martin Layton, UT

I used this for awhile but it didn't seem to help and it was quite expensive. I would be wary.

8 years ago