Best Low Calorie Diet Shakes of 2026

Name: USN Diet Fuel Ultralean Strawberry Shake
Brand: USN

Phoebe Cooper

Last Updated: 6 Feb 2026

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For those looking to lose weight, low calorie diet shakes can be a helpful addition to their routine. These shakes typically contain a blend of protein, fiber, and vitamins and minerals to help keep you feeling full and satisfied while also providing essential nutrients. They come in a variety of flavours and can be used as a meal replacement or as a snack. While they should not be the sole source of nutrition, incorporating them into a balanced diet and exercise plan can aid in weight loss efforts.

At a Glance: Our Top Picks

#TOP 1

USN Diet Fuel Ultralean Strawberry Shake

9.9

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#TOP 2

SlimFast High Protein Blueberry Meal Shake

9.8

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#TOP 3

USN Diet Fuel Ultralean Shake Powder, Vanilla

9.6

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Top 6 Low Calorie Diet Shakes

#TOP 1 Best Powder Diet Shake

USN Diet Fuel Ultralean Strawberry Shake

USN
UN106
Strawberry
1 kg (Pack of 1)

USN Diet Fuel Ultralean Meal Replacement Shake Powder, Strawberry Flavour - 1kg, High Protein Shake Powdered Drink Mix, Low Calorie Diet & Weight Control Powder, 25g Protein

The USN Ultralean Shake is a high-protein meal replacement powder designed to support your weight loss goals. With 25g of protein and under 210 calories per serving, it helps you feel full for longer, making it easier to manage your diet. This tasty strawberry-flavoured shake is also high in fibre and enriched with essential vitamins, ensuring you receive vital nutrients while on your diet. Simply mix two scoops with cold water for a convenient snack that can curb sweet cravings throughout the day.

9.9

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What We Like

High protein content
Low calorie option
Tasty strawberry flavour
Easy to prepare
Supports weight loss goals

#TOP 2

SlimFast High Protein Blueberry Meal Shake

SlimFast
1144150
Blueberry
584 g (Pack of 1)

SlimFast Meal Replacement Shake for Weight Loss & Balanced Diet, Vitamins and Minerals, Low Calorie, High Protein, Blueberry Flavour, 16 servings, 584 g, Packaging May Vary

The SlimFast Meal Shake is designed to support your weight loss journey with 14g of protein per serving, helping you feel full and energised. It contains no added sugar and is low in calories, making it a convenient option for balanced eating. With 23 essential vitamins and minerals, including Vitamins A, D, C, and B-complex, it supports your immune system and metabolism. Plus, the tasty blueberry flavour makes it enjoyable to drink, helping you stick to your diet plan with ease.

9.8

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What We Like

High protein content
No added sugar
Low calorie per serving
Contains 23 vitamins and minerals
Delicious blueberry flavour

#TOP 3 Best Drink Diet Shake

USN Diet Fuel Ultralean Shake Powder, Vanilla

USN
UN107
Vanilla
1 kg (Pack of 1)

USN Diet Fuel Ultralean Meal Replacement Shake Powder, Vanilla Flavour - 1kg, High Protein Shake Powdered Drink Mix, Low Calorie Diet & Weight Control Powder, 25g Protein

The USN Diet Fuel Shake is an excellent meal replacement option designed to support your weight loss journey. With 25g of protein and under 210 calories per serving, it helps you feel fuller for longer, making it easier to resist unhealthy snacks. This shake is enriched with essential vitamins and nutrients, ensuring you maintain a balanced diet. Simply mix two scoops with cold water for a delicious Vanilla-flavoured drink that can also serve as a satisfying snack between meals.

9.6

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What We Like

High protein content
Low calorie option
Tasty Vanilla flavour
Supports weight loss goals
Easy to prepare

#TOP 4 Best Strawberry Diet Shake

USN Diet Fuel Ultralean Strawberry Shake Powder

USN
UN211
Strawberry
2.5 kg (Pack of 1)

USN Diet Fuel Ultralean Meal Replacement Shake Powder, Strawberry Flavour - 2.5kg, High Protein Shake Powdered Drink Mix, Low Calorie Diet & Weight Control Powder, 25g Protein

The USN Diet Fuel Shake is a high-protein meal replacement powder designed to support your weight loss efforts. Each shake contains 25g of protein and is under 210 calories, helping you feel full for longer. With added vitamins and fibre, it fits easily into a balanced diet and provides essential nutrients. Simply mix two scoops with cold water for a delicious Strawberry-flavoured drink that can also curb sweet cravings between meals.

9.6

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What We Like

High protein content
Low calorie option
Easy to prepare
Tasty Strawberry flavour
Supports weight loss goals

#TOP 5

Shake That Weight Strawberry Diet Shakes

Shake That Weight
33 g (Pack of 10)

Shake That Weight 10x Diet Shakes - Strawberry - Meal Replacement Plan for Weight Loss - Very Low-Calorie Diet - VLCD - High Protein, High Fibre, Gluten Free, Vegetarian

Shake That Weight Shakes are designed to help you achieve your weight loss goals through a very low-calorie diet. With high protein content and over 20 essential vitamins and minerals, these meal replacement shakes provide the nourishment you need while managing your calorie intake. The beautifully smooth and creamy texture is a delightful change from gritty alternatives, making them enjoyable to drink. Simply mix with 250ml of cold skimmed or soya milk and substitute two main meals daily to support your weight loss journey.

9.4

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What We Like

High protein content
Smooth and creamy texture
Low carb meal replacements
Rich in vitamins and minerals
Easy to prepare

#TOP 6 Best Vanilla Diet Shake

Shake That Weight Vanilla Diet Shakes Bundle

Shake That Weight
34.5 g (Pack of 10)

Shake That Weight 10x Diet Shakes - Vanilla Meal Replacement Plan for Weight Loss - Very Low-Calorie Diet - VLCD - High Protein, High Fibre, Gluten Free, Vegetarian

Shake That Weight Shakes are designed to help you achieve your weight loss goals with their low-carb meal replacement shakes. With a delicious vanilla flavour, each shake provides a convenient option for replacing meals while following a very low calorie diet. The balanced diet plan ensures you receive high protein and essential vitamins, keeping you healthy during your weight loss journey. Additionally, these shakes contain slow-release calcium casein protein, which helps to reduce hunger pangs, making it easier for you to stick to your diet.

9.3

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What We Like

Low-carb meal replacements
Delicious vanilla flavour
High in protein and fibre
Reduces hunger pangs
Smooth and creamy texture

Frequently Asked Questions (FAQs)

1. Is meal replacement shakes good for weight loss?

In addition to protein that helps you feel full, meal replacement shakes are often high in fiber. This helps healthy digestion, so you don't get bloated or have constipation. Proven weight loss. Research has found that meal replacement shakes can help with weight loss.

2. Do low calorie protein shakes help you lose weight?

Makers of protein shakes may say that their products help lower body fat or promote weight loss. But protein shakes aren't a magic way to lose weight. Some studies find that consuming a higher than usual amount of protein in your diet may offer benefits.

3. Are there shakes for weight loss?

Weight-loss shakes are used in weight-loss programs because they are portion-controlled and convenient. "Using weight-loss shakes helps simplify the decisions you need to make about what to eat and can reduce time needed to prepare meals," Delahanty says. Weight-loss shakes also work-in the short-term.

Editor's Notes

During our low calorie diet shake research, we found 154 low calorie diet shake products and shortlisted 6 quality products. We collected and analyzed 251,324 customer reviews through our big data system to write the low calorie diet shakes list. We found that most customers choose low calorie diet shakes with an average price of £17.17.

The low calorie diet shakes are available for purchase. We have researched hundreds of brands and picked the top brands of low calorie diet shakes, including USN, SlimFast, Shake That Weight.

Written by

Phoebe Cooper

In 2000, Phoebe Cooper graduated from the University of London as a Pharmacist. She practiced as a Pharmacist for the better part of 2 decades. Phoebe says she has worked in the majority of health sectors and has sufficient accumulated knowledge and experience. In her practice, Phoebe published a series of eBooks, one of which is titled "Good Health Good Living."