10 Best Diet Meal Replacement Shakes in The UK

Last updated on 15/08/2025

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Protein Works - Diet Meal Replacement Extreme Shake, 200 Calorie Meal, High Protein Meal, Supports Weightloss, 33 Servings, Chocolate Silk, 2kg

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Why We Love It

Packed with premium protein.
Supports dieting and weight loss.
Convenient on-the-go meal.

Main Highlights

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.
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.
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.
ESSENTIAL VITAMINS & MINERALS: Supercharged with a cutting-edge Vitamin & Mineral Formula that contains no less than 23 essential vitamins & minerals.
NEXT LEVEL FLAVOUR: Each and every Diet Meal Replacement Extreme shake is infused with our unique flavours to create an unrivalled flavour experience.

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

13% Off

Why We Love It

High protein, high fibre shake.
Maintains normal blood sugar levels.
Great tasty on-the-go meal.

Main Highlights

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.
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!
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.
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.
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.

Premium Body Nutrition

Meal Replacement Banana

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Why We Love It

Tastes great with improved flavor.
Promotes weight control effectively.
Perfect for vegetarians.

Main Highlights

PBN Meal Replacement Banana 2.4kg Tub
Meal replacement product are only recommended for weight control as part of an energy restricted diet
New Improved flavour
Suitable for Vegetarians
Each Pack contains 40 Servings

NUPO Diet Taster Pack I Clinically Proven Total Meal Replacement for Weight Management I 1 x Shaker, 8 x Diet Shakes, 3 x Soups, 7 x Meals I Low Calorie & GMO Free

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Why We Love It

Variety in diet starter pack.
Promotes healthy weight loss.
Proven efficient by experts.

Main Highlights

THE PERFECT DIET STARTER PACK: Our delicious Starter-Pack consists of a large variety of weight loss shakes (Strawberry, Chocolate, Mango-Vanilla, Blueberry-Raspberry, Caffe Latte, Chai Latte, Chocolate-Mint, Vanilla), Diet Soups (Tomato, Vegetable, Spicy Thai Chicken) and our Diet Meals (Oatmeal Apple-Cinnamon, Oatmeal Vanilla Red Berries, Chilli Sin Carne, Risotto, Couscous, Chocolate Pudding, Egg Omelette) –including a free fitness shaker as a bonus.
WHAT YOU WILL GET: Nupo Diet will help you on your journey to lose weight in a healthy way. With the NUPO diet, you only consume 800 kcal per day – a calorie deficit of up to 8.400 kcal per week!
LOSE WEIGHT – GAIN HEALTH: Our practical starter pack is opening a new era of diets: Efficient weight loss without starving!
TESTED BY EXPERTS: Our Nupo Diet has been clinically tested and approved, in more than 35 individual clinical trials.
ABOUT NUPO: We are a Danish Company providing our customers with Nutritional Power = Nupo, since 1981. Thanks to our Very Low Calorie Diet (VLCD), we contribute to the battle against obesity.

CollaSlim, Meal Replacement Shake with Added Collagen, Vitamins and Minerals, Balanced Meal, Healthy for Weight Management, Diet Shake - Chocolate Flavour

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Why We Love It

Only 206 calories per serving.
Collagen for smooth skin.
Complete nutritional balance meal.

Main Highlights

Weight Management : Only 206 calories per serving. Slim down with our meal replacement shake with added collagen and protein. Our high protein meal replacement shake powder will help support your weight management goals. Each tasty diet shake you make can help you feel full for longer.
Lose Weight Fast : Our meal replacement shakes for weight management come in various delish flavours, making your weight management journey tasty and enjoyable. Our diet shake Includes 5,000mg of premium collagen protein in every serving.
Smooth Youthful Skin : Smooth out wrinkles & cellulite. Improve skin hydration and elasticity. Our diet shake for weight management, also contains a wealth of vitamins & minerals to support your immune system and gut health.
Meal Replacement Shake : The first meal replacement shake with added collagen provides a complete balanced meal to support weight management, with added collagen that helps give your skin structure, elasticity and youthful glow.
Collagen Powder: Our unique collagen blend helps provide the building blocks for new collagen in the body, the amino acids delivered by hydrolyzed collagen supports overall health of bones to joints to tendons and skin while boosting energy levels.
Slim Fast: With our our daily shake. Simply add 1 scoop (40g) of CollaSlim powder to 400ml of almond milk and shake well. Alternatively you can use water or skimmed milk. Our shakes give you the nutrients you need to kick-start your weight management journey.

Protein Works - Diet Meal Replacement, Banana Smooth, Nutrient Dense Complete Meal, Immunity Boosting Vitamins, Affordable, Healthy And Quick, 14 Meals, 1kg

3% OffFree Shipping

Why We Love It

Complete meal in a shake.
Supports dieting and weight loss.

Main Highlights

KICK-START YOUR WEIGHT LOSS JOURNEY: Diet Meal Replacement is a 100% nutritionally complete, high protein, meal replacement shake, specially designed to help support your weight loss journey.
FULLER FOR LONGER: Each Meal Replacement shake has been designed to deliver an optimal protein blend that brings together the perfect balance of slow and fast release proteins, blended with fibre-full ingredients to help you feel fuller for longer.
HELPS YOU STICK TO YOUR DIET: The key to dietary success is following and sticking to a healthy diet, one that fits into your lifestyle and also delivers on nutrition and taste. Our Diet Meal Replacement shakes offer the perfect calorie-controlled shake to help support your weight loss journey.
CUTTING-EDGE INGREDIENTS: Our Diet Meal Replacement shakes are made from a unique blend of real food ingredients uniquely formulated to deliver the macro and micro nutrients your body needs. Choose from a variety of delicious flavours and discover the perfect meal replacement shake for you.
ESSENTIAL VITAMINS & MINERALS BLEND: Containing a whole host of essential vitamins & minerals your body need to help support overall health & well-being. From Vitamin B3, B12 to Calcium and Asorbic Acid, each synergistically working to help support normal functioning of your nervous system, immune and gut function, whilst nourishing your body.

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

23% OffFree Shipping

Why We Love It

Supports healthy, sustainable weight loss.
Maintains normal blood sugar.
Convenient for on-the-go.

Main Highlights

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
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
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
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

Protein Works - Diet Meal Replacement Extreme Shake, 200 Calorie Meal, High Protein Meal, Supports Weightloss, 8 Servings, Chocolate Silk, 500g

Free Shipping

Why We Love It

Complete meal with real ingredients.
Supports dieting and weight loss.
Quick and easy preparation.

Main Highlights

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.
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.
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.
ESSENTIAL VITAMINS & MINERALS: Supercharged with a cutting-edge Vitamin & Mineral Formula that contains no less than 23 essential vitamins & minerals.
NEXT LEVEL FLAVOUR: Each and every Diet Meal Replacement Extreme shake is infused with our unique flavours to create an unrivalled flavour experience.

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

9% Off

Why We Love It

High protein, low sugar.
Aids healthy thyroid function.
Quick, easy meal replacement.

Main Highlights

🍫 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.
🏋️‍♂️ 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.
🥛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.
⭐ 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.

Protein Works - Ultimate Diet Breakfast Shake , Low Calorie Breakfast Shake , High Protein , Low Sugar Breakfast , 9 Servings , Caramel Latte , 500g

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Why We Love It

High protein, low sugar.
Slow-release energy.
Aids weight loss.

Main Highlights

Nutritionally Complete: Ultimate Diet Breakfast Shake is the ultimate instant morning meal, specially formulated with a unique blend of nutritious ingredients
Don't Skip Breakfast: Save time by not having to prepare breakfast or grabbing something on the move
Low in Calories: Under 250 calories per shake it couldn't be easier to stick to your healthy eating plan
Weight-Loss Solution: Ultimate Diet Breakfast shake is specifically designed to help suppoer healthy weight loss, keeping you fuller for longer and suppressing your appetite

9.4

Superb

We scanned 797 products

We reviewed these offers relevant to the Diet Meal Replacement Shakes within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Protein Works, USN, Premium Body Nutrition, NUPO, So Body Co, SCI-MX, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Diet Meal Replacement Shakes in the market, we considered we took a deep dive into 3986 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Protein Works - Diet Meal Replacement Extreme Shake, 200 Calorie Meal, High Protein Meal, Supports Weightloss, 33 Servings, Chocolate Silk, 2kg. We love many things about this product by Protein Works. What sets it apart from the competition is Packed with premium protein, Supports dieting and weight loss, Convenient on-the-go meal.
The best value product for most shoppers and where user satisfaction is continuously the highest is USN Diet Fuel Ultralean Meal Replacement Shake Powder (Banana Caramel, 2kg - 36 Servings/Meals) Tasty High Protein Shake To Feel Full For Longer, Weight Control Powder, Drink Mix With 25g Protein by USN based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Diet Meal Replacement Shakes and the best cost-to-value ratio is USN Diet Fuel Ultralean Meal Replacement Shake Powder, Strawberry Flavour - 1kg, High Protein Shake Powdered Drink Mix, Low Calorie Diet & Weight Control Powder, 25g Proteinat USN with a 23% discount.
Our list of the best Diet Meal Replacement Shakes is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Diet Meal Replacement Shakes in The UK

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We scanned 797 products

We concluded that: