10 Best Protein Powder For Weight Loss in The UK

Last updated on 16/07/2025

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

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Why We Love It

High protein, low calorie content.
Maintains normal blood sugar levels.
Ideal for busy lifestyles.

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.

Protein Works - Diet Meal Replacement Extreme, 200 Calorie Meal, High Protein Meal, Supports Weightloss, 16 Meals, Chocolate Silk, 1kg

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Why We Love It

Complete meal in a shake.
Supports dieting, boosts weight loss.
Sustains energy, curbs hunger.

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.

Optimum Nutrition Gold Standard Whey Protein, Muscle Building Powder with Naturally Occurring Glutamine and Amino Acids, Double Rich Chocolate, 29 Servings, 899 g, Packaging May Vary

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Why We Love It

Supports muscle gain and recovery.
Certified, low-sugar protein formula.
Variety of sizes, flavors.

Main Highlights

Optimum Nutrition’s Gold Standard 100% WHEY is the world’s best-selling protein powder* designed to support your fitness journey from day one.
FAST-ABSORBING whey protein with whey protein isolate as the main ingredient helps with muscle gain and supports recovery* after every training session.
The ON whey protein formula is Informed Choice certified, contains naturally-occurring BCAAs and GLUTAMINE and is LOW IN SUGAR and fat.
Available in a VARIETY OF SIZES and FLAVOURS: double rich chocolate, banana cream, vanilla ice cream, unflavored protein powder and more.
EASY & CONVENIENT: mix one scoop in 180-240 ml of cold water; best enjoyed in the morning or/and during the 30 minutes just before or immediately after training.
*Source: Euromonitor International Limited; Consumer Health 2023 edition, Sports Protein Powder category, % retail value shares, 2022 data.
** Source EFSA Journal 2010;8(10):1811; 2011;9(6):2203.

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

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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

PhD Nutrition Diet Whey Lean Protein Powder | Belgian Chocolate Whey Protein Powder | 1kg Bag [ Packaging May Vary ]

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Why We Love It

Supports comprehensive fitness and diet.
Promotes lean muscle maintenance.
Eco-friendly, recyclable packaging.

Main Highlights

Comprehensive Fitness Support: PhD Diet Whey is a perfect blend of proteins and fat-burning ingredients; ideal for building and maintaining lean muscle whilst keeping you satiated for longer
Enhanced Fat Loss: Contains flaxseeds, CLA, L-carnitine, and green tea extract; ideal for those striving to keep body fat low while building or preserving lean muscle mass
Eco-friendly packaging: Opting for PhD Diet Whey is a step towards environmental sustainability as it comes in 100% recyclable packaging
Versatile: The PhD Whey Protein Powder can be consumed at any time and is particularly favored in smoothies; helps curb hunger cravings as it offers feelings of satiety in between meals.

Myprotein Impact Whey Protein - Vanilla 1KG

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Why We Love It

Great protein to calorie ratio.
Quality assured by Labdoor.
Incredible flavor variety.

Main Highlights

21g protein per serving
4.5g naturally - occurring BCAAs
Low in sugar
103 calories per serving

Myprotein Impact Whey Protein, 1 kg, Chocolate Smooth

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Why We Love It

High in protein content.
Low on calories.
Ranking high for quality.

Main Highlights

22g of protein per serving.
Low fat and carbohydrate.
Contributes to the growth and maintenance of muscle mass.
Ideal for anyone looking to increase daily protein intake.
Available in a range of delicious flavours.

Incredible taste with smooth texture.
Superior nutritional plant-based profile.
Promotes optimum female wellbeing.

Main Highlights

𝗡𝗘𝗪 & 𝗜𝗠𝗣𝗥𝗢𝗩𝗘𝗗 𝗙𝗢𝗥𝗠𝗨𝗟𝗔𝗧𝗜𝗢𝗡 – Packed with cutting-edge ingredients & nutritionist approved, our tried & tested blend, now elevated with 50% fewer carbohydrates per serving, a patented pea-protein source for improved bioavailability, a dual magnesium source for greater efficacy, and Himalayan Pink salt for the rich electrolyte benefits. Contains only 2mg of caffeine per serving alongside the Ginseng & Guarana. Gluten-free, Sucralose-Free & Third Party Tested for Heavy Metals!
𝗜𝗡𝗖𝗥𝗘𝗗𝗜𝗕𝗟𝗘 𝗧𝗔𝗦𝗧𝗘 & 𝗧𝗘𝗫𝗧𝗨𝗥𝗘 – Only the highest quality of ingredients to ensure an incredible taste profile and ultimate smooth texture. Mix with water or nut milk for a creamy & lean plant based protein shake. No chalky or gritty texture.
𝗦𝗨𝗣𝗘𝗥𝗜𝗢𝗥 𝗡𝗨𝗧𝗥𝗜𝗧𝗜𝗢𝗡𝗔𝗟 𝗣𝗥𝗢𝗙𝗜𝗟𝗘 – 20g of protein per 30g serving and all flavours are gluten free, soya free, added sugar free, dairy free, and non-GMO. Our Pea Protein has been infused with White Hemp Protein for an effective amino acid profile for the highest quality of plant-based protein possible.
𝗡𝗨𝗧𝗥𝗜𝗧𝗜𝗢𝗡𝗜𝗦𝗧 𝗙𝗢𝗥𝗠𝗨𝗟𝗔𝗧𝗘𝗗 𝗙𝗢𝗥 𝗪𝗢𝗠𝗘𝗡 – Blended with Peruvian Maca, the entire B Vitamin Complex for hair, skin, and nails; high levels of Iron, Magnesium, Calcium, and L-Carnitine for energy and bone density, and Flaxseed for Omega-3.
𝗢𝗣𝗧𝗜𝗠𝗨𝗠 𝗪𝗘𝗟𝗟𝗕𝗘𝗜𝗡𝗚 – 20g of plant protein per serving with an incredible macronutrient profile. Suitable for daily optimal wellbeing, even if not exercising – makes for a delicious breakfast or snack and curbs the dreaded sweet tooth! Also suitable for baking, protein pancakes, and smoothies.
𝗨𝗞 𝗣𝗥𝗢𝗗𝗨𝗖𝗘𝗗 & 𝗜𝗡𝗗𝗘𝗣𝗘𝗡𝗗𝗘𝗡𝗧𝗟𝗬 𝗧𝗘𝗦𝗧𝗘𝗗 – Our products have been developed and manufactured in the UK by leading nutritionists and independently tested to ensure you get only the highest quality, premium nutrients you need and no nasties you don't, all with a delicious taste.
𝗘𝗮𝗰𝗵 𝗯𝗮𝗴 𝗶𝘀 𝟲𝟬𝟬𝗴 | 𝟮𝟬𝗴 𝗼𝗳 𝗽𝗿𝗼𝘁𝗲𝗶𝗻 𝗽𝗲𝗿 𝟯𝟬𝗴 𝘀𝗲𝗿𝘃𝗶𝗻𝗴

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

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Why We Love It

Complete nutrition in every shake.
Supportive for dieting and weight-loss.
Keeps you satisfied longer.

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.

Warrior Whey Protein Powder 500g - Up to 36g* Protein per Shake – Low Sugar - Muscle Growth and Recovery Drink - Amazing Taste - 20 Servings - GMP Certified (Strawberry Milkshake)

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Why We Love It

36g protein per serving.
Low carb and sugar.
Delicious flavor options available.

Main Highlights

36g PROTEIN PER 50g SERVING TO HELP BUILD MUSCLE - Use after training to quickly heal micro-tears in muscle tissues, speed up recovery, and reduce muscle soreness for STRONGER and BIGGER muscles over time.
LOW CARB & LOW IN SUGAR - Warrior Whey is HIGH in protein but low in Carbohydrates, Fats, and Sugar. Ideal to use as a meal replacement as part of a calorie-controlled diet while trying to lean out, and Ideal for those simply looking to BUILD MUSCLE and BURN FAT at the same time.
USE ANY DAY FOR DIFFERENT GOALS - Portion size can be increased or decreased depending on your training goals. For LEANING OUT, use 1 scoop mixed with 200ml water to create a low-carb Protein Shake. For LEAN GAINS, use 2 scoops instead.
WHEY PROTEIN - Whey digests quickly and is rich in branched-chain amino acids (BCAAs) which play a major role in promoting MUSCLE GROWTH and RECOVERY after resistance and endurance exercise. BCAAs are the building blocks for muscle protein synthesis, which is the creation of new muscle.
PROTEIN SHAKE THAT TASTES GREAT - Available in super tasty flavours: Double Chocolate, Strawberry crème, Vanilla Ice Cream, White Chocolate, Coconut, Salted Caramel, and Unflavoured Unlike other bland protein shakes, ours taste DELICIOUS Can also be added to smoothies, oats, or pancake mix to create high-protein meals.

8.7

Excellent

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We scanned 1043 products

We reviewed these offers relevant to the Protein Powder For Weight Loss 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 USN, Protein Works, Optimum Nutrition, PhD, Myprotein, Free Soul, Warrior, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Protein Powder For Weight Loss in the market, we considered we took a deep dive into 5216 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 USN Diet Fuel Ultralean Meal Replacement Shake Powder (Vanilla, 2kg - 36 Servings/Meals) Tasty High Protein Shake To Feel Full For Longer, Weight Control Powder, Drink Mix With 25g Protein. We love many things about this product by USN. What sets it apart from the competition is High protein, low calorie content, Maintains normal blood sugar levels, Ideal for busy lifestyles.
The best value product for most shoppers and where user satisfaction is continuously the highest is Protein Works - Diet Meal Replacement Extreme, 200 Calorie Meal, High Protein Meal, Supports Weightloss, 16 Meals, Chocolate Silk, 1kg by Protein Works based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Protein Powder For Weight Loss and the best cost-to-value ratio is Protein Works - Diet Meal Replacement, Chocolate Silk, Nutrient Dense Complete Meal, Immunity Boosting Vitamins, Affordable, Healthy And Quick, 14 Meals, 1kgat Protein Works with a 30% discount.
Our list of the best Protein Powder For Weight Loss 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 Protein Powder For Weight Loss in The UK

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We scanned 1043 products

We concluded that: