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5 Best Diet Shakes of 2025

Last Updated - 02/09/2025

1
Best Choice
22% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

USN
22% Off

USN Diet Fuel Ultralean Meal Replacement Shake Powder (Strawberry, 2kg - 36 Servings/Meals) Tasty High Protein Shake To Feel Full For Longer, Weight Control Powder, Drink Mix With 25g Protein

USN

£35.05

£45.00
(22% Off)

More Details
Main highlights
- YOUR NEW MORNING ROUTINE: Get your day off to the best possible start with these fantastic, and delicious, USN Meal Replacement Shakes. You don’t need to go without breakfast to help you lose weight - one quick shake and you are ready to take on the day!
- USN HIGH PROTEIN SHAKE POWDER: Use Diet Fuel Meal Replacement Shakes to help you reach your weight-loss goals. Perfect support for a low-calorie diet - a quick & easy way to get what your body needs, without the calories. Packed with 24 Vitamins & Minerals.
- ULTIMATE SPORTS NUTRITION: USN are at the forefront of sports nutrition research, making effective sports nutrition supplements for professional and non-professional athletes, pre or post workout. Science-driven nutrition so we can achieve together.
- HIGH PROTEIN MEAL REPLACEMENT: Protein is absolutely vital if you are looking to lose weight. When we take protein on board, it triggers our satiety hormones, which make us feel full. USN meal replacement shakes have 25g of protein per serving.
- FEEL FULL FOR LONGER: USN’s meal replacement powder has been specially formulated by a dedicated team to ensure you feel full for longer, reducing the need to snack or over-eat and supporting a reduced calorie diet - to help you reach your weight goals.
£35.05
£45.00 (22% Off)
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Shake That Weight

Shake That Weight - 21x Meal Replacement Shakes - Diet Shakes for Weight Loss (Chocolate, Vanilla, Banana, Strawberry)

Shake That Weight

£34.65

£35.70
(2% Off)

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Main highlights
- SMOOTH & CREAMY — beautifully smooth and creamy texture, unlike gritty alternatives, simply mix with skimmed milk or water and enjoy our great-tasting range of weight loss shakes 3 times a day!
- REDUCE HUNGER PANGS — each delicious shake contains slow release calcium casein protein which helps to reduce hunger pangs, keeping you on the right track to achieving your desired weight
- DIET SHAKE BUNDLE — reach your weight loss goals with Shake That Weight’s low carb meal replacement shakes, designed for rapid weight loss via the very low calorie diet (VLCD) principle
- BALANCED DIET PLAN — low carb, high protein, rich in fibre and packed with the vital vitamins and minerals your body needs to ensure you stay healthy throughout your diet plan!
- 1 WEEK SUPPLY — our 1 Week Bundle contains 21 meal replacement shakes in 4 tasty flavours! You’ll enjoy 6 x Chocolate Shakes, 5 x Vanilla Shakes, 5 x Strawberry Shakes and 5 x Banana Shakes
£34.65
£35.70 (2% Off)
3
Best Value
23% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

USN
23% Off

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

USN

£20.00

£26.00
(23% Off)

More Details
Main highlights
- Ultimate Sports Nutrition: USN are at the forefront of sports nutrition research, making effective sports nutrition supplements for professional and non-professional athletes, pre or post workout
- USN meal replacement shakes: A tasty USN meal replacement beverage powder with 25g protein and under 210 calories. High fibre with essential vitamins and nutrients - simply add 2 scoops to cold water
- USN Protein powder drink mix: High protein meal replacement shake powder to help support your weight loss goals. With added vitamins, each tasty diet shake you make can help you feel full for longer
- Premium women's and men's supplements: USN diet supplements offer proven benefits, when taken alongside a balanced diet and healthy lifestyle. Always consult a healthcare professional first
- Achieve your aims: 1kg of great tasting Strawberry flavour powdered protein, that can also be made up as a snack between meals, to help hit your daily protein goals and reduce sweet cravings
£20.00
£26.00 (23% Off)
4
15% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Protein Works
15% Off

Protein Works - Diet Meal Replacement Extreme Shake | 200 Calorie Meal | High Protein Meal | Supports Weightloss | 16 Servings | Banana Smooth Sundae | 1kg

Protein Works

£19.19

£22.78
(15% Off)

More Details
Main highlights
- SUPPORTS DIETING & WEIGHT LOSS: Diet Meal Replacement Extreme has been developed over several years and represents the very cutting-edge of modern functional nutrition. Our innovative formulation includes a wide range of scientifically-researched ingredients to provide a highly nutritious and delicious meal that helps support sustainable weight loss. Diet Meal Replacement Extreme is ideal for anyone wanting to lose weight as part of a calorie restricted diet or anyone wanting to live a healthier lifestyle.
- NEXT LEVEL FLAVOUR: Each and every Diet Meal Replacement Extreme shake is infused with our unique flavours to create an unrivalled flavour experience.
- KEEPS YOU FULLER FOR LONGER: We’ve added slow and fast releasing premium proteins alongside low GI carbohydrates and fibre to satisfy your hunger and provide a sustained energy release.
- ESSENTIAL VITAMINS & MINERALS: Supercharged with a cutting-edge Vitamin & Mineral Formula that contains no less than 23 essential vitamins & minerals.
- BALANCED, COMPLETE NUTRITION: Each shake is packed full of real food ingredients and all the nutrients your body needs to thrive - up to 25g of premium protein, low GI carbohydrates and fibre.
£19.19
£22.78 (15% Off)
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

SCI-MX

SCI-MX Diet Meal Replacement Shake - Chocolate Flavour - High Protein Shake + 24 Essential Micronutrients - Non-GMO - 1KG (18 servings) 209 calories per serving

SCI-MX

£19.99

£21.99
(9% Off)

More Details
Main highlights
- 🥛HOW & WHEN TO USE: This is a quick and easy meal replacement shake. Simply add 2 x scoops (54g) to 300ml of cold water, shake using a protein shaker bottle, and enjoy. An excellent choice to replace higher-calorie meals, ideal if you are on the go. Our shakes give you the nutrients you need to kick-start your weight loss journey. Not intended as a sole source of nutrition, should be consumed alongside at least one balanced nutritious meal.
- 💚 POWERING EVERY GOAL: Whether you want to build muscle, bulk, reduce body fat or peak your performance, our core focus is on high-protein nutrition. Healthy, balanced, low in sugar, low in saturated fats. Our sports nutrition products are made to complement all types of training and performance goals – whether you’re a casual gym goer, an athlete or sportsperson. Get your Diet Shake Meal Replacement in a range of flavours including; Chocolate, Strawberry or Vanilla.
- 🏋️‍♂️ BENEFITS: Our high protein shake contains added green tea, vitamins, and minerals including Pantothenic Acid, Chromium, and Biotin contributing to the normal maintenance of muscle function, metabolism, blood sugar levels, and reduction of fatigue. This shake is packed with 33% of your recommended intake of Iodine which helps contribute to healthy thyroid function. The inclusion of Folic Acid and Niacin can help reduce tiredness which often occurs when dieting. Suitable for vegetarians.
- 🍫 WHAT’S IN THIS CHOCOLATE DIET SHAKE: A comprehensive formula with a healthy balance of protein, carbs, and fat + 24 essential micronutrients. This shake contains 209 kcal, 4.9g fat, 13g carbs, 26g protein / 54g serving + Vitamins A, B6, B12, C, D, E, K, Calcium, Zinc, Folic Acid, Iron, Thiamine, Riboflavin, Niacin, Magnesium, Copper and Selenium. Allergens include soy & milk. Produced in a facility which also handles egg and cereals containing gluten. Allergens include SOY, MILK.
- ⭐ WHY SCI-MX: Our goal is to help nurture, support, and inspire the sportsperson in all of us. From recovery to competition training, there’s a SCI-MX product to help you achieve your goal. From high-quality protein powders, pre-workout and post-workout blends like creatine monohydrate to high-protein snacks such as flapjack bars, we've got you covered. Our no-nonsense approach to sports nutrition supplements guarantees you’ll always receive premium quality, great value products.
£19.99
£21.99 (9% Off)

5 Best Diet Shakes of 2025

USN Diet Fuel Ultralean Meal Replacement Shake Powder (Strawberry, 2kg - 36 Servings/Meals) Tasty High Protein Shake To Feel Full For Longer, Weight Control Powder, Drink Mix With 25g Protein

Shake That Weight - 21x Meal Replacement Shakes - Diet Shakes for Weight Loss (Chocolate, Vanilla, Banana, Strawberry)

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

Protein Works - Diet Meal Replacement Extreme Shake | 200 Calorie Meal | High Protein Meal | Supports Weightloss | 16 Servings | Banana Smooth Sundae | 1kg

SCI-MX Diet Meal Replacement Shake - Chocolate Flavour - High Protein Shake + 24 Essential Micronutrients - Non-GMO - 1KG (18 servings) 209 calories per serving

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