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Diet Shakes Comparison - April 2026

7 Best Diet Shakes In the UK

1
Best Choice
9.9Exceptional
2
Best Value
9.8Exceptional
3
9.5Excellent
4
9.2Excellent
5
9.1Excellent
6
9.0Excellent
7
8.7Very Good
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Model

USN I Diet Fuel Ultralean Meal Replacement Shake (Strawberry, 2kg - 36 Servings/Meals) High Protein, Low Calorie Drink to Support Weight Loss & Balanced Diet I Added 24 Vitamins & Minerals
Model
USN I Diet Fuel Ultralean Meal Replacement Shake (Strawberry, 2kg - 36 Servings/Meals) High Protein, Low Calorie Drink to Support Weight Loss & Balanced Diet I Added 24 Vitamins & Minerals
Model
Powder Tin Raspberry and White Chocolate
Model
SlimFast Meal Replacement Shake Weight Loss & Balanced Diet, Vitamins and Minerals, Low Calorie, High Protein, Strawberry Flavour, 16 servings, 584 g, Packaging May Vary
Model
USN I Diet Fuel Ultralean Meal Replacement Shake (Strawberry, 1kg - 18 Servings/Meals) High Protein, Low Calorie Drink to Support Weight Loss & Balanced Diet I Added 24 Vitamins & Minerals
Model
SlimFast Ready To Drink Shake, Meal Replacement Shakes for Weight Loss and Balanced Diet, High Protein, Vitamins and Minerals, No Added Sugar, Raspberry and White Chocolate Flavour, 6 x 325 ml
Model
Powder Tin Raspberry and White Chocolate

Brand

USN
Brand
USN
Brand
SlimFast
Brand
SlimFast
Brand
USN
Brand
SlimFast
Brand
SlimFast

Reviews

8,553 reviews
Reviews
8,553 reviews
Reviews
35,709 reviews
Reviews
31,590 reviews
Reviews
8,862 reviews
Reviews
30,501 reviews
Reviews
35,709 reviews

Features

Worth the money

9.1
Worth the money
9.1
Worth the money
9.1
Worth the money
9.1
Worth the money
8.6
Worth the money
7.9
Worth the money
9.1

Serving size

9.6
Serving size
9.6
Serving size
9.3
Serving size
9.3
Serving size
8.6
Serving size
7.9
Serving size
9.3

Taste

9.4
Taste
9.4
Taste
8.6
Taste
8.9
Taste
9.1
Taste
8.4
Taste
8.6

Simple to use

9.4
Simple to use
9.4
Simple to use
9.3
Simple to use
9.4
Simple to use
8.9
Simple to use
8.9
Simple to use
9.3

Tech Specs

Item weight

2.3 Kilograms
Item weight
2.3 Kilograms
Item weight
584 Grams
Item weight
0.29 Kilograms
Item weight
1 Kilograms
Item weight
15 Grams
Item weight
584 Grams

Flavour

Strawberry
Flavour
Strawberry
Flavour
Raspberry White Choc
Flavour
Strawberry
Flavour
Strawberry
Flavour
White Chocolate Raspberry
Flavour
Raspberry White Choc

Format

Powder
Format
Powder
Format
Powder
Format
-
Format
Powder
Format
Liquid
Format
Powder

Manufacturer contact

USN UK Ltd, Seven House, High Street, Longbridge, B31 2UQ
Manufacturer contact
USN UK Ltd, Seven House, High Street, Longbridge, B31 2UQ
Manufacturer contact
Glanbia Performance Nutrition Nit 3 Ronaldkirk Road Riverside Park TS2 1XA Phone: 44 1642 248866
Manufacturer contact
-
Manufacturer contact
USN UK Ltd, Seven House, High Street, Longbridge, B31 2UQ
Manufacturer contact
Glanbia Nutrition, Unit 3, Romaldkirk Road, Riverside Park, Middlesbrough, TS2 1XA.
Manufacturer contact
Glanbia Performance Nutrition Nit 3 Ronaldkirk Road Riverside Park TS2 1XA Phone: 44 1642 248866

Weight

2 Kilograms
Weight
2 Kilograms
Weight
-
Weight
0.29 Kilograms
Weight
1 Kilograms
Weight
-
Weight
-

Volume

2 Millilitres
Volume
2 Millilitres
Volume
-
Volume
-
Volume
-
Volume
1950 Millilitres
Volume
-

Package weight

2.32 Kilograms
Package weight
2.32 Kilograms
Package weight
-
Package weight
-
Package weight
-
Package weight
2.2 Kilograms
Package weight
-

Diet type

-
Diet type
-
Diet type
Vegetarian
Diet type
Vegetarian, Vegan
Diet type
-
Diet type
-
Diet type
Vegetarian

Available On

Available On
Available On
Available On
Available On
Available On
Available On

Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.9
    1
    USN
    23% Off

    USN I Diet Fuel Ultralean Meal Replacement Shake (Strawberry, 2kg - 36 Servings/Meals) High Protein, Low Calorie Drink to Support Weight Loss & Balanced Diet I Added 24 Vitamins & Minerals

    9.6 Serving size
    9.4 Taste
    9.4 Simple to use

    Why we love it

    The product is high in protein and fiber, which helps you feel fuller for longer.
    It comes in a great tasting strawberry flavor.
    Each serving contains the essential nutrients for safe and healthy weight loss.
  • 9.8
    2
    USN
    31% Off

    USN I Diet Fuel Ultralean Meal Replacement Shake (Strawberry, 2kg - 36 Servings/Meals) High Protein, Low Calorie Drink to Support Weight Loss & Balanced Diet I Added 24 Vitamins & Minerals

    9.6 Serving size
    9.4 Taste
    9.4 Simple to use

    Why we love it

    The product is high in protein and fiber, which helps you feel fuller for longer.
    It comes in a great tasting strawberry flavor.
    Each serving contains the essential nutrients for safe and healthy weight loss.
  • 9.5
    3
    SlimFast
    27% Off

    Powder Tin Raspberry and White Chocolate

    9.3 Serving size
    9.3 Simple to use
    9.1 worth the money
    Main highlights
    • Just add milk, shake, and you're ready to go
    • Everything you need for a tasty, balanced meal
    • Choose from six delicious flavours

Our ranking system

The topchoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. topchoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.

Features

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Consumer Reviews

We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
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Popularity

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Value for money

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When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.