10 Best Weight Loss Protein Powder Unflavoured in The UK

Last updated on 29/06/2025

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Kinetica Sports Whey Protein Powder - Unflavoured | 23g Protein/Serve, 33 Servings/1Kg Pack | Gluten Free Supplement | Optimum for Muscle Growth & Recovery | Mixes Well with Water, Milk & Shakes

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Why We Love It

Superior mixability for smooth texture.
Fast absorbing protein aids recovery.
Healthy, versatile and gluten free.

Main Highlights

Premium Protein Powder for Optimal Nutrition: Indulge in unflavored Kinetica Sport’s whey protein powder. With 23g of high-quality protein per serving, our grass-fed whey and isolate blend supports your overall health and performance but especially when it comes to lean muscle retention, repair and growth. Available in a selection of delicious flavours to suit every taste.
Health Benefits for Lean Muscle & Recovery: At just 117 kcal per serving, Kinetica’ Sports protein powder helps to build and maintain lean muscle. With 23g delicious, high quality Protein per serving, Kinetica Sports Whey is the ideal suypplement whether you're looking to add a convenient source of protein to your diet, managing energy intake for weight loss, or looking to support lean muscle retention, repair and growth.
Serving Size & Packaging Details: Each 1kg pack provides 33 servings of Kinetica Sports whey protein powder, delivering 23g of protein per 30g scoop. Simply mix with water, milk, or a shake, and enjoy up to 3 servings daily. Perfect for your fitness journey.
Easy to Use for Maximum Results: For an effortless protein shake, mix 1 scoop (30g) with 170-200ml of water or milk. Stir or shake until smooth and creamy. Add to smoothies or recipes for an easy boost of protein. Kinetica Sports fits your active lifestyle.
Certified Quality, Safe for Athletes: Kinetica Sport’s whey protein is batch-tested under the Informed-Sport program, ensuring it meets WADA standards for quality and safety. Gluten-free and with no added sugar, it’s ideal for those seeking clean, high-quality supplements for muscle building, weight loss, and optimum nutrition.

Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Unflavoured, 30 Servings, 900 g

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Why We Love It

Supports muscle gain and recovery.
Low in sugar and fat.
Taste variety and easy preparation.

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 (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.

Bulk Pure Whey Protein Powder Shake, Unflavoured, 1 kg, Packaging May Vary

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Why We Love It

Award-winning protein shake for training.
Packed with nutrients and protein.
Low-fat, low-sugar delicious flavours.

Main Highlights

A first-class, award-winning protein shake for everyday training
Packed with at least 22 g protein and 5 g naturally occurring BCAA (branched chain amino acids) in each serving
Whey protein sourced from the milk of European, grass-fed cows
Low in sugar and low in fat, a winning protein shake for everyday training
Available in a range of delicious flavours, this is your perfect training partner

Boho Unflavoured Organic Vegan Protein Powder Blend (1kg - 57 Servings) Plain & Unsweetened, Organic Plant Based Protein, Dairy Free, Gluten Free, Lactose Free, Pea, Plant Protein Powder

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Why We Love It

Pure plant-based protein blend.
Unsweetened and organic goodness.
High nutritional value.

Main Highlights

UNFLAVOURED: But NOT "flavourless"... its made from plant protein so has a "planty" vibe. Its certainly smoother and nicer than pea protein powder, rice protein powder or soy protein powder alone!
NO ADDITIVES: Our unflavoured protein powder is free from sweeteners, flavorings, dairy, gluten, gums, stevia, sucralose and more. Pure, simple ingredients for a clean, straightforward boost to your health and wellness routine!
ORGANIC & VEGAN: Our plant based diet protein powder is vegan certified to ensure purity and plant-powered goodness in every scoop. Clean plant protein powder that fuels your body and respects the earth!
MULTISOURCE PROTEIN: A specially crafted blend combining pea protein powder with pumpkin, sunflower, flax, and chia proteins. Enjoy a balanced taste and all 20 essential amino acids your body needs for optimal vitality!
VERSATILE: Perfect for smoothies & baking, or simply shake it with water or plant milk for a natural "planty" taste! Ideal for any diet, our protein powder vegan adapts to your culinary needs while providing great nutrition.
SMART NUTRITION: Lean Protein Powder for clean nutrition with organic protein to keep you fueled with essential nutrients for peak performance every day.
NATURAL FUEL : A cleaner, more sustainable alternative to diet whey protein powder, this plant-based formula delivers pure, natural nourishment without artificial additives, sweeteners, or fillers. Unlike traditional whey isolate protein powder, it is sourced from high-quality ingredients, it ensures better digestibility and a balanced nutritional profile, supporting your health and fitness goals.

Isopure Unflavoured Whey Protein Isolate Powder, High in Protein with 25 g per Serve, Low in Sugar, No Artificial Flavours or Sweeteners, Made with Only 2 Ingredients, 435 g

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Why We Love It

Pure ingredients for pure nutrition.
High protein to fuel your day.
Versatile for any recipe.

Main Highlights

MADE WITH INGREDIENTS YOU NEED, NOTHING YOU DON'T: Only 2 ingredients, including 100% pure whey protein isolate because when it comes to looking and feeling good, LESS IS MORE
25 G HIGH PROTEIN PER SERVING: Delivers 25g protein from 100% Whey Protein Isolate to complement your daily routine and support your protein intake
LOW SUGAR AND LOW FAT: Isopure Unflavoured Whey Isolate delivers high-quality protein with minimal sugar and fat - an effortless way to boost your intake without unecessary extras
NO ARTIFICIAL FLAVOURS OR SWEETENERS*: Enjoy an unflavoured protein powder with simple ingredients and no artificial flavours, just great-tasting nutrition
EASY TO BLEND, BAKE, OR COOK: Blend into smoothies, use in baking to make protein brownies, or add to recipes for a protein-rich meal; however you take it, Isopure Whey Protein Isolate fits effortlessly into your lifestyle; *Contains Steviol Glycosides from Stevia, with no artificial sweeteners

PINK SUN Whey Protein Concentrate Powder Unflavoured 1kg (82% Protein) Soy Free Grass Fed Gluten Free Vegetarian Undenatured Non GM Unsweetened Everyday Whey UK 1000g

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Why We Love It

Premium quality, SOY free protein.
Naturally flavored, no added sugars.
Suitable for vegetarians, gluten-free.

Main Highlights

Premium quality, SOY FREE, undenatured whey protein concentrate powder 1kg
From grass-fed hormone-free cows' milk with 82% protein
Contains essential branch chain amino acids and immunoglobulins to assist in glutathione production
Unflavoured natural taste - no added sugar or artificial sweeteners
Gluten free, suitable for vegetarian and wholefood diets

Smartfoodies Serious Gainz Unflavoured Whey Protein Powder 700g High Protein Shake for Muscle Growth and Weight Loss Support Low Sugar WPC Concentrate

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Why We Love It

Low calorie for weight management.
Supports muscle growth effectively.
Easy to mix and prepare.

Main Highlights

Low Calorie Formula: Achieve your fitness goals with a clean protein source; our sugar free protein powder contains only 99 calories per serving making it an ideal low fat protein powder for supporting a lean physique and weight management seekers
High Protein for Muscle Growth: Packed with premium whey protein concentrate this powder delivers the essential amino acids needed for muscle repair and maintenance; an excellent post workout protein powder to support your serious gainz
Perfectly Plain and Easy to Mix: As a plain protein powder it blends seamlessly into any liquid without clumps; its excellent solubility makes it perfect for protein shakes smoothies or adding a protein boost to your baking and cooking
Rich in Essential Nutrients: This pure whey protein powder is designed to optimally support your training and active lifestyle; it is a vegetarian protein powder naturally rich in BCAAs to aid muscle recovery and reduce fatigue
Effortless Preparation for Busy Lifestyles: Making your protein shake is quick and easy; simply mix one 25 g scoop with 200 ml of water or milk in a shaker and consume immediately for a fast and effective nutrient boost anytime anywhere

Millidose 1kg unflavoured Protein Powder - unflavoured whey Protein Powder Perfect for a high Protein Shake or Snack - whey Nutrition for Building Muscle - 38g of Protein per Serving

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Why We Love It

Ideal for calorie-controlled diets.
Promotes muscle growth, aids recovery.
Versatile usage and delicious taste.

Main Highlights

High Protein Powerhouse Packed with 42g of protein per serving and less than 2.5g sugar, this unflavoured protein powder is the perfect ingredient for your high protein shakes, smoothies, or snacks. It’s designed to increase muscle building, recovery, and strength for athletes and gym enthusiasts at any fitness level.
Macros Tailored to Your Goals This whey protein powder is low in carbs, sugar, and fat, with less than 2.5g of sugar and 1.75g of fat per serving. This makes it ideal for calorie-controlled diets, it’s the ultimate choice for lean muscle growth, minimal weight gain, or as a diet whey protein powder for your active lifestyle.
Versatile & Tasteless for Endless Uses Millidose’s unflavoured whey protein powder mixes effortlessly with water, milk, or your favorite recipes without altering the taste like other brands. Create a creamy high protein coffee, or upgrade meals and snacks to become delicious protein-packed snacks for any time of day.
Supports Any Fitness Journey Whether you’re looking for a weight gainer for skinny people, enhancing lean muscle, or using a diet protein powder for weight loss, Millidose provides clean and effective nutrition. It’s your perfect partner for recovery, strength, and long-term health goals.
Pure Ingredients, Maximum Results Unlike other brands, this whey nutrition protein powder contains no added sweeteners or artificial ingredients. Crafted to deliver clean, high-quality protein supplements, it’s perfect for anyone seeking reliable results without compromise and have already had gread feedback from our returning customers who have made the switch over to Millidose.
Ideal for Gifting or Building a Hamper Millidose is a thoughtful gift for fitness enthusiasts or anyone on a health journey. Include it in a protein hamper, or try our other flavors like vanilla protein powder and chocolate protein powder. Don’t forget to check out Millibites, our high-protein snacks!

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

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Why We Love It

Supports comprehensive fitness and nutrition.
Quality protein boosts lean muscle.
Promotes environmental sustainability.

Main Highlights

INFORMED PROTEIN Certified: Independently verified by Informed Protein for accurate protein content and quality. Trusted by athletes and tested to the highest standards for peace of mind
HIGH PROTEIN, Low Calorie: Now with 20g of high-quality protein per serving to support muscle maintenance in a calorie deficit. Only 125 calories and less than 5g of carbs per serving – ideal for lean muscle goals
FAT-LOSS SUPPORT Blend: Contains CLA, L-carnitine, green tea extract and flaxseed – active ingredients to support fat metabolism and maintain muscle
SATISFYING & EASY to MIX: Smooth texture, easy to shake, and satisfying taste. Helps curb hunger between meals and keeps you feeling fuller for longer throughout the day
SUSTAINABLE PACKAGING: Comes in 100% recyclable packaging – a smart choice for both your fitness goals and the environment

8.8

Excellent

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We scanned 1910 products

We reviewed these offers relevant to the Weight Loss Protein Powder Unflavoured 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 Kinetica, Optimum Nutrition, USN, Bulk, Boho, Isopure, PINK SUN, SMARTFOODIES, Millidose, PhD, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Weight Loss Protein Powder Unflavoured in the market, we considered we took a deep dive into 9551 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 Kinetica Sports Whey Protein Powder - Unflavoured | 23g Protein/Serve, 33 Servings/1Kg Pack | Gluten Free Supplement | Optimum for Muscle Growth & Recovery | Mixes Well with Water, Milk & Shakes. We love many things about this product by Kinetica. What sets it apart from the competition is Superior mixability for smooth texture, Fast absorbing protein aids recovery, Healthy, versatile and gluten free.
The best value product for most shoppers and where user satisfaction is continuously the highest is Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Unflavoured, 30 Servings, 900 g by Optimum Nutrition based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Weight Loss Protein Powder Unflavoured and the best cost-to-value ratio is Isopure Unflavoured Whey Protein Isolate Powder, High in Protein with 25 g per Serve, Low in Sugar, No Artificial Flavours or Sweeteners, Made with Only 2 Ingredients, 435 gat Isopure with a 20% discount.
Our list of the best Weight Loss Protein Powder Unflavoured 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 Weight Loss Protein Powder Unflavoured in The UK

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We scanned 1910 products

We concluded that: