10 Best Clear Whey Isolate Protein Powder 1kg in The UK

Last updated on 22/07/2025

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Protein Works - Clear Diet Whey Protein Isolate Powder, Refreshing High Protein Drink, 40 Shakes, Sour Cherry & Apple, 1kg

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Why We Love It

Low in calories, high in protein.
Free from sugar and fat.
Boosts energy, supports immune system.

Main Highlights

Refreshing & Juicy: It's clearer than ever, better anti-foam action and a brand new range of flavours to create a light and refreshing high protein shake
High Protein: Each serving contains 20g of ultra premium hydrolysed protein isolate
Low Calorie: Each shake contains less than 85 calories and contains zero sugar and zero fat

Protein Works - Clear Diet Whey Protein Isolate Powder, Refreshing High Protein Drink, 40 Shakes, Peach Iced Tea, 1kg

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Why We Love It

Refreshing and juicy flavors.
High protein in every serving.
Low calorie, zero sugar.

Main Highlights

REFRESHING & JUICY: We've made improvements to our Clear Diet Whey Protein with an ultra-filtered whey isolate. It's clearer than ever, better anti-foam action and a brand new range of flavours to create a light and refreshing high protein shake.
PREMIUM HYDROLYSED ISOLATE: Made using an ultra premium, hydrolysed whey isolate. Hydrolysed whey protein is a pre-digested whey that will typically release aminos at a faster rate, quickening the digestion process, especially great for those sensitive to lactose. Clear Diet Whey Protein contains up to 20g of protein, delivering a complete amino acid profile to help support your overall health and well-being.
HELPS SUPPORT WEIGHT LOSS: Clear Diet Whey Protein contains fewer calories and carbohydrates compared to regular whey protein shakes, making it a suitable option if you're looking to reduce your overall calorie intake, whilst increasing protein intake. Each shake contains zero sugar, zero fat and only adds from 85 calories to your daily calorie intake.
ESSENTIAL VITAMINS & MINERALS: Containing essential vitamins & minerals to help support immune function and overall well-being. Each shake contains 100% of your recommended intake for Vitamin B6 and B12. These essential nutrients are scientifically proven to help fight fatigue and support your immune system.
BRAND NEW FLAVOURS, 0% SUGAR: Available in a range of perfectly sweetened, refreshing flavours that contain zero sugar content. Brand New refreshing flavours from Watermelon Breeze, Orange & Mango to Blue Raspberry. Clear Diet Whey Protein flavours are light in taste and low in calories.

Protein Works - Clear Diet Whey Protein Isolate Powder, Refreshing High Protein Drink, 40 Shakes, Mixed Berry, 1kg

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Why We Love It

Refreshing and juicy flavors.
High protein, 20g per serving.
Low calorie, zero sugar.

Main Highlights

REFRESHING & JUICY: We've made improvements to our Clear Diet Whey Protein with an ultra-filtered whey isolate. It's clearer than ever, better anti-foam action and a brand new range of flavours to create a light and refreshing high protein shake.
PREMIUM HYDROLYSED ISOLATE: Made using an ultra premium, hydrolysed whey isolate. Hydrolysed whey protein is a pre-digested whey that will typically release aminos at a faster rate, quickening the digestion process, especially great for those sensitive to lactose. Clear Diet Whey Protein contains up to 20g of protein, delivering a complete amino acid profile to help support your overall health and well-being.
HELPS SUPPORT WEIGHT LOSS: Clear Diet Whey Protein contains fewer calories and carbohydrates compared to regular whey protein shakes, making it a suitable option if you're looking to reduce your overall calorie intake, whilst increasing protein intake. Each shake contains zero sugar, zero fat and only adds from 85 calories to your daily calorie intake.
ESSENTIAL VITAMINS & MINERALS: Containing essential vitamins & minerals to help support immune function and overall well-being. Each shake contains 100% of your recommended intake for Vitamin B6 and B12. These essential nutrients are scientifically proven to help fight fatigue and support your immune system.
BRAND NEW FLAVOURS, 0% SUGAR: Available in a range of perfectly sweetened, refreshing flavours that contain zero sugar content. Brand New refreshing flavours from Watermelon Breeze, Orange & Mango to Blue Raspberry. Clear Diet Whey Protein flavours are light in taste and low in calories.

Applied Nutrition Beef XP - Clear Hydrolysed Protein Isolate, Fruit Juice Style, Dairy Free Beef Protein Powder, Lactose Free, Zero Sugar, Low Fat, 1.8kg - 60 Servings (Lemon & Mint)

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Why We Love It

Dairy-free protein option available.
High protein supports muscle growth.
Delicious flavors for everyone.

Main Highlights

DAIRY AND LACTOSE-FREE PROTEIN: Ideal for those who are lactose intolerant or avoid dairy, providing a clean, high-quality protein source for muscle growth and recovery.
CONTRIBUTES TO THE GROWTH OF MUSCLES MASS: Beef protein specially formulated for its high protein content. With 27.7g of protein per serving, it assists the growth of muscle. Comprehensive amino acid profile provides all essential amino acids for healthy bodily functions.
PERFECT MIXING AND AMAZING TASTE: Beef protein comes in 7 different amazing flavours to suit taste preferences. When added to milk or water, it mixes well for a smooth and delicious drink.
ZERO SUGAR, LOW FAT: Perfect for low-carb and keto diets, this protein powder is free of sugar and low in fat, supporting lean muscle building without unwanted calories.
HALAL CERTIFIED: This protein beef isolate has been produced in a manner that adheres to strict halal guidelines ensuring suitability for those following a halal diet while providing high-quality, clean beef protein isolate.

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

Applied Nutrition Clear Whey Isolate - Whey Protein Isolate, Refreshing High Protein Powder, Fruit Juice Style Flavours (Orange Squash) (875g - 35 Servings)

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Why We Love It

Tastes like delicious fruit water.
Low calorie, high protein.
Approved for athletes by WADA.

Main Highlights

NOT YOUR AVERAGE PROTEIN SHAKE: our Clear Whey Protein uses ultra-hydrolysed whey protein isolate to create a water that tastes more like delicious fruit water than your typical protein milkshake. Clear Whey is absorbed rapidly and it is packed with over 21g protein, has only 1g of carbs, and has less than 0.25g of sugar & fat.
DELICIOUS AND REFRESHING: we have created a protein water supplement that is tasty, light and refreshing to drink. The Clear Whey Protein is available in a range of fruity flavours, so there is something for everyone.
LOW CALORIE: our formula provides a low-calorie option for those looking to increase their protein intake. Each serving of Clear Whey Protein contains just 90 calories!
8 DELICIOUS FLAVOURS: Applied Nutrition’s Clear Whey Protein is available in eight delicious flavours: Cherry & Apple, Cranberry & Pomegranate, Grapefruit, Orange Squash, Strawberry & Lime, Strawberry & Raspberry, Twirler Ice Cream and Watermelon. Just mix with water.
TESTED FOR ATHLETES: Every batch of Critical Whey is batch tested and accredited by Informed Sports, a global quality-assurance programme for sports nutrition products which independently test supplements for all substances listed on the World Anti-Doping Agency (WADA) banned substance list.

Optimum Nutrition ON Gold Standard 100% Isolate Pure Whey Protein, Naturally Occurring BCAAs and Glutamine, Pre and Post Workout, Vanilla Flavour, 31 Servings, 930 g

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Why We Love It

High in quality whey protein.
Support muscle growth and maintenance.
Low in sugar and fat.

Main Highlights

Gold Standard whey protein powder contains 25g (83 percent) of high quality 100 percent pure whey isolate protein blend per serving to suport lean muscle gain*
Whey protein isolate is ultra-filtered for exceptional purity; it supports the growth and maintenance of muscle mass and the maintenance of normal bones*
Informed Choice certified ON whey protein powder contains low sugar (0.3 g), low fat (0.4 g) and 5.5 g of naturally occurring essential amino acids, BCAAs, per serving
This high protein powder is perfect as a protein shake, pre workout and post workout for both men and women; comes in vanilla, chocolate and strawberry flavours
To create perfect protein drinks, add 30 g (1 rounded scoop) to 200 ml of cold water and mix well

Applied Nutrition ISO-XP Whey Protein Powder – 22g Protein, Low Fat, Low Carb Whey Isolate Protein Powder, Rich in Amino Acids, Grass-Fed, Soy Free, Halal Certified (1kg - 40 Servings) (Strawberry)

21% OffFree Shipping

Why We Love It

High-quality protein source.
Low in calories and sugar.
Halal certified for inclusivity.

Main Highlights

Purest Whey Protein: ISO-XP is an advanced whey isolate protein powder that offers 22g of high-quality protein per 25g serving and is packed with essential amino acids.
Only 92 Calories per serving. Perfect for fitness enthusiasts, it’s low in fat, carbs, and sugar, helping maintain muscle mass without the extra calories.
Grass-Fed Source and Soy-Free: Our whey protein isolate comes from grass-fed cows, ensuring you get a premium protein shake. Also ISO-XP uses sunflower lecithin as an emulsifier, making it a soy-free protein isolate.
Halal Certified: ISO-XP whey protein isolate is Halal certified, making it accessible to a broader audience. Enjoy our all the delicious flavours, knowing you’re consuming whey protein powder that meets your dietary needs.
Tested for Athletes: Every ingredient within this product is a carefully selected and monitored through our quality management system to bring you the highest level of assurance.
Delicious Flavours to Suit Every Taste - Available in Choco Honeycomb, Choco Caramel, Choco Peanut, Vanilla, Strawberry, Banana, Cafe Latte, and more, offering great taste with premium nutrition.

Bodybuilding Warehouse

Bodybuilding Warehouse, Pure Fruity Whey Isolate - Refreshing Fruit Protein (Sour Apple, 2kg)

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Why We Love It

Deliciously low in carbs.
Packed with high protein.
Minimal fat content.

Main Highlights

Super low Carb and Sugar
Almost 0 Fat
High Protein
Serving Size - 25g
Serving per Container - 80

9.0

Superb

We scanned 1951 products

We reviewed these offers relevant to the Clear Whey Isolate Protein Powder 1kg 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 THE PROTEIN WORKS, Applied Nutrition, Kinetica, Optimum Nutrition, Bodybuilding Warehouse, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Clear Whey Isolate Protein Powder 1kg in the market, we considered we took a deep dive into 9756 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 - Clear Diet Whey Protein Isolate Powder, Refreshing High Protein Drink, 40 Shakes, Sour Cherry & Apple, 1kg. We love many things about this product by THE PROTEIN WORKS. What sets it apart from the competition is Low in calories, high in protein, Free from sugar and fat, Boosts energy, supports immune system.
The best value product for most shoppers and where user satisfaction is continuously the highest is Protein Works - Clear Diet Whey Protein Isolate Powder, Refreshing High Protein Drink, 40 Shakes, Peach Iced Tea, 1kg by THE PROTEIN WORKS based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Clear Whey Isolate Protein Powder 1kg and the best cost-to-value ratio is Applied Nutrition Clear Whey Isolate - Whey Protein Isolate, Refreshing High Protein Powder, Fruit Juice Style Flavours (Orange Squash) (875g - 35 Servings)at Applied Nutrition with a 27% discount.
Our list of the best Clear Whey Isolate Protein Powder 1kg 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 Clear Whey Isolate Protein Powder 1kg in The UK

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We scanned 1951 products

We concluded that: