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Best Unflavoured Protein Powder Isolate of 2026
Last updated on 04/04/2026
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1
Bulk Pure Whey Protein Isolate, Protein Powder Shake, Unflavoured, 2.5 kg, Packaging May Vary
Bulk
Why we love it
High quality and premium protein.
Promotes healthy, balanced diet.
Variety of delicious flavors.
Main Highlights
Each serving provides 24–26g of ultra-filtered whey protein isolate, delivering a high-quality source of protein to support muscle growth, repair, and lean muscle maintenance.
Formulated with minimal sugars and carbohydrates, this whey isolate is ideal for those following low-carb or high-protein diets, helping you fuel your body efficiently without unnecessary additives.
This protein powder is suitable for vegetarian diets, providing a clean, pure protein source to fit your lifestyle.
Designed to dissolve quickly and smoothly in water or milk, available in a range of delicious flavours that make it easy and enjoyable to meet your daily protein needs.
Whether it’s pre-workout, post-workout, or a convenient protein boost during the day, Bulk Pure Whey Isolate 90 supports your nutrition goals and active lifestyle.
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9.7
Exceptional
Check Price
9.7
Exceptional
Bulk
Bulk Pure Whey Protein Isolate, Protein Powder Shake, Unflavoured, 2.5 kg, Packaging May Vary
Check Price
Show More
Why we love it
High quality and premium protein.
Promotes healthy, balanced diet.
Variety of delicious flavors.
Main Highlights
Each serving provides 24–26g of ultra-filtered whey protein isolate, delivering a high-quality source of protein to support muscle growth, repair, and lean muscle maintenance.
Formulated with minimal sugars and carbohydrates, this whey isolate is ideal for those following low-carb or high-protein diets, helping you fuel your body efficiently without unnecessary additives.
This protein powder is suitable for vegetarian diets, providing a clean, pure protein source to fit your lifestyle.
Designed to dissolve quickly and smoothly in water or milk, available in a range of delicious flavours that make it easy and enjoyable to meet your daily protein needs.
Whether it’s pre-workout, post-workout, or a convenient protein boost during the day, Bulk Pure Whey Isolate 90 supports your nutrition goals and active lifestyle.
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Value for Money
2
PINK SUN Whey Protein Isolate Powder Unflavoured 1kg (92% Protein) Soy Free Grass Fed Gluten Free No Additives Vegetarian Undenatured Non GM Unsweetened Natural Whey UK 1000g
PINK SUN
Why we love it
Premium quality ensures exceptional results.
Suitable for many diets.
Ultra-filtered for pure protein.
Main Highlights
Premium quality, SOY FREE, undenatured whey protein isolate powder 1kg
From grass-fed hormone-free cows' milk with 92% protein
Ultra-filtered to remove carbohydrate, fat and lactose
Unflavoured natural taste - no added sugar or artificial sweeteners
Gluten free, suitable for vegetarian and wholefood diets
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9.5
Superb
Check Price
9.5
Superb
PINK SUN
PINK SUN Whey Protein Isolate Powder Unflavoured 1kg (92% Protein) Soy Free Grass Fed Gluten Free No Additives Vegetarian Undenatured Non GM Unsweetened Natural Whey UK 1000g
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Why we love it
Premium quality ensures exceptional results.
Suitable for many diets.
Ultra-filtered for pure protein.
Main Highlights
Premium quality, SOY FREE, undenatured whey protein isolate powder 1kg
From grass-fed hormone-free cows' milk with 92% protein
Ultra-filtered to remove carbohydrate, fat and lactose
Unflavoured natural taste - no added sugar or artificial sweeteners
Gluten free, suitable for vegetarian and wholefood diets
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3
Optimum Nutrition Gold Standard 100% Whey Protein Powder for Muscle Building and Recovery, Unflavoured, 2.25kg, 75 Servings, Package May Vary
Optimum Nutrition
7% Off
Why we love it
Supports fitness journey from day one.
Aids muscle gain and recovery.
Choice of delicious flavours available.
Main Highlights
PACKAGING MAY VARY: New look, with the same trusted Quality!
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
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9.4
Superb
Check Price
9.4
Superb
Optimum Nutrition
Optimum Nutrition Gold Standard 100% Whey Protein Powder for Muscle Building and Recovery, Unflavoured, 2.25kg, 75 Servings, Package May Vary
7% Off
Check Price
Show More
Why we love it
Supports fitness journey from day one.
Aids muscle gain and recovery.
Choice of delicious flavours available.
Main Highlights
PACKAGING MAY VARY: New look, with the same trusted Quality!
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
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4
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
Optimum Nutrition
13% Off
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
Show More
9.3
Superb
Check Price
9.3
Superb
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
13% Off
Check Price
Show More
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
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5
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
Optimum Nutrition
13% Off
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
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9.3
Superb
Check Price
9.3
Superb
Optimum Nutrition
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
13% Off
Check Price
Show More
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
Show More
6
Bulk Soya Protein Isolate Powder, Vegan Protein Shake, Unflavoured, 2.5 kg
Bulk
Why we love it
High-grade plant protein included.
Deliciously low sugar and fat.
Available in tasty flavors.
Main Highlights
A popular single plant-protein shake made from soya beans
Packed with at least 24 g plant protein and 4 g naturally occurring BCAA (branched chain amino acids) per serving
High-grade plant protein powder that suits a vegan and vegetarian training diet
Low in sugar and low in fat, this deliciously creamy shake is perfect for supporting a plant-based training diet
Available in a range of delicious flavours, this is your perfect training partner
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9.2
Superb
Check Price
9.2
Superb
Bulk
Bulk Soya Protein Isolate Powder, Vegan Protein Shake, Unflavoured, 2.5 kg
Check Price
Show More
Why we love it
High-grade plant protein included.
Deliciously low sugar and fat.
Available in tasty flavors.
Main Highlights
A popular single plant-protein shake made from soya beans
Packed with at least 24 g plant protein and 4 g naturally occurring BCAA (branched chain amino acids) per serving
High-grade plant protein powder that suits a vegan and vegetarian training diet
Low in sugar and low in fat, this deliciously creamy shake is perfect for supporting a plant-based training diet
Available in a range of delicious flavours, this is your perfect training partner
Show More
7
Organic Whey Protein Powder (600g) - Grass Fed Unflavoured Organic Protein Powder by TheHealthyTree Company - Low Carb Natural Protein for Muscle Growth & Recovery
TheHealthyTree Company
Why we love it
Sourced from sustainable farming practices.
Ideal for post-workout recovery.
Promotes easy digestion.
Main Highlights
GRASS FED WHEY PROTEIN POWDER - Our organic whey protein powder is sourced from grass-fed, pasture raised cows in Germany, to the highest European Soil Association standards (DA25404). This ensures you're getting the best possible fuel for your body, while supporting sustainable farming practices.
UNFLAVOURED & NO ADDITIVES - Enjoy the natural, unflavoured creamy taste of our whey protein powder, which is perfect for mixing into your smoothies, shakes, and baking recipes. Unlike many alternatives, our whey is hormone free, gluten free, soy free, Non-GMO and has absolutely no sweeteners or added sugar - halle…MOO-jah.
80% PURE WHEY PROTEIN - Our organic protein powder contains a high concentration of naturally occurring amino acids and BCAAs. In addition to being a fantastic vegetarian protein source, it dissolves easily in water and is ideal for post-workout recovery and muscle growth.
THE RIGHT WAY TO WHEY - Use our protein powder organic to make great tasting low carb keto baking recipes like flapjacks and pancakes. In the morning or after the gym, just mix 1 or 2 tablespoons into your shaker with water, milk or nut milk. If you’ve got more time, blend with frozen fruit to make a delicious smoothie that’s packed with vitamins.
EASY DIGESTION - We’re proud to say that our whey passes through a leading ceramic microfiltration system to create the freshest, creamiest natural whey protein on the planet. Not only is it kinder to the environment, it dissolves well and is kind to your digestive system too, without the uncomfortable bloated feeling of some other protein powders.
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9.1
Superb
Check Price
9.1
Superb
TheHealthyTree Company
Organic Whey Protein Powder (600g) - Grass Fed Unflavoured Organic Protein Powder by TheHealthyTree Company - Low Carb Natural Protein for Muscle Growth & Recovery
Check Price
Show More
Why we love it
Sourced from sustainable farming practices.
Ideal for post-workout recovery.
Promotes easy digestion.
Main Highlights
GRASS FED WHEY PROTEIN POWDER - Our organic whey protein powder is sourced from grass-fed, pasture raised cows in Germany, to the highest European Soil Association standards (DA25404). This ensures you're getting the best possible fuel for your body, while supporting sustainable farming practices.
UNFLAVOURED & NO ADDITIVES - Enjoy the natural, unflavoured creamy taste of our whey protein powder, which is perfect for mixing into your smoothies, shakes, and baking recipes. Unlike many alternatives, our whey is hormone free, gluten free, soy free, Non-GMO and has absolutely no sweeteners or added sugar - halle…MOO-jah.
80% PURE WHEY PROTEIN - Our organic protein powder contains a high concentration of naturally occurring amino acids and BCAAs. In addition to being a fantastic vegetarian protein source, it dissolves easily in water and is ideal for post-workout recovery and muscle growth.
THE RIGHT WAY TO WHEY - Use our protein powder organic to make great tasting low carb keto baking recipes like flapjacks and pancakes. In the morning or after the gym, just mix 1 or 2 tablespoons into your shaker with water, milk or nut milk. If you’ve got more time, blend with frozen fruit to make a delicious smoothie that’s packed with vitamins.
EASY DIGESTION - We’re proud to say that our whey passes through a leading ceramic microfiltration system to create the freshest, creamiest natural whey protein on the planet. Not only is it kinder to the environment, it dissolves well and is kind to your digestive system too, without the uncomfortable bloated feeling of some other protein powders.
Show More
8
Bulk Pure Whey Protein Isolate, Protein Powder Shake, Unflavoured, 500 g, Packaging May Vary
Bulk
26% Off
Why we love it
Premium form aids macro management.
Low in sugar and fat.
Supports gains with high protein.
Main Highlights
Each serving provides 24–26g of ultra-filtered whey protein isolate, delivering a high-quality source of protein to support muscle growth, repair, and lean muscle maintenance.
Formulated with minimal sugars and carbohydrates, this whey isolate is ideal for those following low-carb or high-protein diets, helping you fuel your body efficiently without unnecessary additives.
This protein powder is suitable for vegetarian diets, providing a clean, pure protein source to fit your lifestyle.
Designed to dissolve quickly and smoothly in water or milk, available in a range of delicious flavours that make it easy and enjoyable to meet your daily protein needs.
Whether it’s pre-workout, post-workout, or a convenient protein boost during the day, Bulk Pure Whey Isolate 90 supports your nutrition goals and active lifestyle.
Show More
8.9
Excellent
Check Price
8.9
Excellent
Bulk
Bulk Pure Whey Protein Isolate, Protein Powder Shake, Unflavoured, 500 g, Packaging May Vary
26% Off
Check Price
Show More
Why we love it
Premium form aids macro management.
Low in sugar and fat.
Supports gains with high protein.
Main Highlights
Each serving provides 24–26g of ultra-filtered whey protein isolate, delivering a high-quality source of protein to support muscle growth, repair, and lean muscle maintenance.
Formulated with minimal sugars and carbohydrates, this whey isolate is ideal for those following low-carb or high-protein diets, helping you fuel your body efficiently without unnecessary additives.
This protein powder is suitable for vegetarian diets, providing a clean, pure protein source to fit your lifestyle.
Designed to dissolve quickly and smoothly in water or milk, available in a range of delicious flavours that make it easy and enjoyable to meet your daily protein needs.
Whether it’s pre-workout, post-workout, or a convenient protein boost during the day, Bulk Pure Whey Isolate 90 supports your nutrition goals and active lifestyle.
Show More
9
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
Isopure
20% Off
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
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8.8
Excellent
Check Price
8.8
Excellent
Isopure
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
20% Off
Check Price
Show More
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
Show More
10
Myprotein Impact Whey Protein Powder | Unflavoured - 1 kg | 23 g Whey Protein Per Serving with BCAAs | Builds Lean Muscle, Speeds Recovery | Low Fat & Carbs | Vegetarian | Trusted by Athletes
Myprotein
Why we love it
Impressive protein value per serving.
Low calories count.
Abundance of flavors choices.
Main Highlights
EVERYDAY PROTEIN - Premium whey packed with 21g of protein per serving, for the everyday protein you need from a quality source. Can be used by both men and women, perfect for everyone, whatever your fitness goals
VARIETY OF FLAVOURS - Get yours in over 40, indulgent, mouth-watering flavours, including some delicious favourites such as Chocolate, Vanilla, and Strawberry Cream. If you prefer a more natural taste, we’ve got a range of stevia flavoured options too!
EASY TO USE - It’s fast absorbing, so we recommend adding 1 large scoop (25g) to 150-250ml of water or milk 30-60 minutes post-workout — but it’s ideal any time for a convenient way to get the protein you need
LOW IN SUGAR AND FAT - Vegetarian friendly with just 1.9g of fat, 1g of carbs, and at just 103 calories per serving, our Impact Whey Protein makes the perfect shake for everyone
QUALITY ASSURANCE - There’s simply not another protein powder out there that delivers the same outstanding quality and value. And that’s because at MyProtein, our products are created in our own state-of-the-art production facility. Our popular Impact Whey Protein provides over 80% protein per serving, so you can be assured of its quality
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8.7
Excellent
Check Price
8.7
Excellent
Myprotein
Myprotein Impact Whey Protein Powder | Unflavoured - 1 kg | 23 g Whey Protein Per Serving with BCAAs | Builds Lean Muscle, Speeds Recovery | Low Fat & Carbs | Vegetarian | Trusted by Athletes
Check Price
Show More
Why we love it
Impressive protein value per serving.
Low calories count.
Abundance of flavors choices.
Main Highlights
EVERYDAY PROTEIN - Premium whey packed with 21g of protein per serving, for the everyday protein you need from a quality source. Can be used by both men and women, perfect for everyone, whatever your fitness goals
VARIETY OF FLAVOURS - Get yours in over 40, indulgent, mouth-watering flavours, including some delicious favourites such as Chocolate, Vanilla, and Strawberry Cream. If you prefer a more natural taste, we’ve got a range of stevia flavoured options too!
EASY TO USE - It’s fast absorbing, so we recommend adding 1 large scoop (25g) to 150-250ml of water or milk 30-60 minutes post-workout — but it’s ideal any time for a convenient way to get the protein you need
LOW IN SUGAR AND FAT - Vegetarian friendly with just 1.9g of fat, 1g of carbs, and at just 103 calories per serving, our Impact Whey Protein makes the perfect shake for everyone
QUALITY ASSURANCE - There’s simply not another protein powder out there that delivers the same outstanding quality and value. And that’s because at MyProtein, our products are created in our own state-of-the-art production facility. Our popular Impact Whey Protein provides over 80% protein per serving, so you can be assured of its quality
Show More