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Why Slim·Fast®?

Because the Slim·Fast® 3·2·1 Plan is an easy and delicious way to lose weight now*. Not to mention helpful features, practical tips from Fiona, our Nutrition Expert, and support from other people who are losing weight with Slim·Fast®.

  • An Effective Personal Plan

    Just follow our simple and flexible plan. Mix and match meals and snacks the way you want, and lose weight now*.

    See How It Works

  • Products that work

    Our products are a solution that can help you control your calories without missing out on balanced nutrition, including essential vitamins and minerals.

    See Products

  • Support

    We offer tips and features to help you stick to your plan. Have questions? Ask Fiona, our Nutritionist, for expert insight.

    See Support

  • Connect with Slim·Fast® Friends

    Need some support? Get inspired and motivated by connecting with other people like you who are losing weight on the Slim·Fast® 3·2·1 Plan for their own personal goals.

    Join the Community now

Join Now! 

Register Tout Img

We’ll help you reach your weight loss goal with your FREE Personal Plan. Plus you’ll join a community, receive advice, read tips, delicious recipes and a free magazine.

Join us

Buy your Slim·Fast® online

Stay stocked up with Slim·Fast® the easy way. Buy it online at Boots - it's that simple and it's delivered direct to your home!

Buy Now

Success – it’s something to share 

Losing weight is a lot easier when you've the support of friends. And sharing stories helps. Be motivated by others on the Slim·Fast® 3·2·1 Plan.

Share success

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*The Plan is a calorie controlled diet. Individual results will vary. Healthy weight loss is 1-2 lbs per week.