10 Best Protein Whey Powder in The UK

Last updated on 24/08/2025

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Optimum Nutrition Gold Standard Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and Amino Acids, French Vanilla Crème, 76 Servings, 2.28kg, Packaging May Vary

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Why We Love It

Best-selling globally trusted protein powder.
Promotes muscle gain and recovery.
Various sizes and delectable 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

Applied Nutrition Critical Whey Protein Powder 2kg - High Protein Powder, Protein Milkshake, Muscle Building Supplement with BCAAs & Glutamine (2kg - 67 Servings) (Vanilla Ice Cream)

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Why We Love It

Promotes muscle building and maintenance.
Prepares quickly for convenience.
Offers variety in flavours.

Main Highlights

BUILD & MAINTAIN MUSCLE: Applied Nutrition protein powder is an excellent way to build up your muscles when you do strength training. Protein is an essential part of your diet to help maintain muscle mass, so drinking the shake as recommended will help you to retain your muscle development.
EASY TO PREPARE: This high protein powder mixes incredibly well with water or low-fat milk. You can shake it up when you are running late or on the go in no time.
TESTED FOR ATHLETES: Every ingredient within this product is carefully selected and monitored through our quality management system to bring you the highest level of assurance. Final products are produced and packaged in an ISO 22000, BRC, GMP and Halal accredited laboratory.
VARIETY OF FANTASTIC FLAVOURS: You can pick from multiple available flavours for your protein milkshake. Never again will you have to drink tasteless protein supplements.
GREAT SOURCE OF PROTEIN: Applied Nutrition Critical Whey powder is a wonderful source of protein. The combination of Whey Protein Concentrate, Whey Protein Isolate and Hydrolysed Whey Protein makes the perfect muscle building supplement.

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

25% OffFree Shipping

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.

MyProtein Impact Whey Protein Powder – Vanilla Flavour– 1kg, 22g of Protein per Serving, Supports Muscle Building, Recovery & Lean Muscle Maintenance - 33 Servings

4% OffFree Shipping

Why We Love It

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

Main Highlights

High-Quality Protein Source: Delivers 23g of premium protein per serving, helping to fuel your muscles and support your fitness goals with each shake.
Low-Calorie & Nutrient-Rich: Only 114 calories per serving, with just 1.9g of fat and 1.8g of carbs, making it a perfect choice for those who want to boost their protein intake without excess calories.
Rich in Essential Amino Acids: Includes essential amino acids and BCAAs, crucial for muscle recovery and growth, providing the nutrients your body needs to repair and build muscle.
Wide Variety of Flavours: Over 40 delicious flavours to choose from, including popular favourites like Chocolate Brownie, Cookies & Cream, and Peach Tea, ensuring you never get bored of your protein shake.
Informed Choice Certified: Backed by Informed Choice certification, giving you confidence that this product is regularly tested and free from banned substances, meeting global sports nutrition quality standards.

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

Delivers 22g or 23g of high-quality protein per serving (depending on flavour), sourced from premium whey protein concentrate to support your daily nutrition and fitness goals.
A complete protein source containing all essential amino acids, including 5g of naturally occurring BCAAs per scoop. Ideal for muscle maintenance.
Designed to mix easily with water or milk, creating a smooth and enjoyable shake. Low in sugar making it suitable for various nutrition plans.
Available in over 20 delicious flavours and multiple pack sizes including 500g, 1kg, 2.5kg and 5kg, making it easy to find the right option to match your taste and usage needs.
Manufactured to high quality standards and suitable for vegetarian diets. A reliable protein source for athletes, gym-goers, or anyone looking to boost their protein intake.

Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Double Rich Chocolate Flavour, 15 Servings, 465 g

Why We Love It

Supports your fitness journey.
Promotes muscle gain and recovery.
Variety in sizes and 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

MyProtein Impact Whey Protein Powder – Chocolate Brownie Flavour– 1kg, 23g of Protein per Serving, Supports Muscle Building, Recovery & Lean Muscle Maintenance - 40 Servings

3% Off

Why We Love It

High protein content in servings.
Excellent quality and value ratio.
Numerous enticing flavor options.

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

Myprotein Impact Diet Whey Powder – Natural Vanilla Protein Powder – 1kg - 38g of Protein per Serving

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Why We Love It

Boosts protein intake significantly.
Supports strong metabolism.
Promotes weight loss efforts.

Main Highlights

Supplements; MyProtein
MyProtein-Impact Diet Whey - Natural Vanilla, 1 kg
Vanilla Flavor

Premium Body Nutrition

PBN - Premium Body Nutrition Whey Protein Powder 2.27kg Strawberry

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Why We Love It

Improved flavor enhances the experience.
Suitable for all vegetarians.
Provides substantial protein servings.

Main Highlights

PBN Whey Protein Powder Strawberry 2.27kg Jar
Each serving contains 23.4g of Protein
New Improved flavour
Suitable for Vegetarians
Each Pack contains 75 Servings

Myprotein Impact Whey Weight Gainer Protein (2.5kg (Pack of 1), Chocolate Smooth)

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Why We Love It

Promotes healthy weight gain.
Provides high-quality protein.
Convenient and redesigned packaging.

Main Highlights

31g of protein
50g of carbs
388 calories per serving

8.9

Excellent

We scanned 1018 products

We reviewed these offers relevant to the Protein Whey Powder 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 Optimum Nutrition, Applied Nutrition, Myprotein, Bulk, Premium Body Nutrition, 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 Whey Powder in the market, we considered we took a deep dive into 5091 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 Optimum Nutrition Gold Standard Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and Amino Acids, French Vanilla Crème, 76 Servings, 2.28kg, Packaging May Vary. We love many things about this product by Optimum Nutrition. What sets it apart from the competition is Best-selling globally trusted protein powder, Promotes muscle gain and recovery, Various sizes and delectable flavors.
The best value product for most shoppers and where user satisfaction is continuously the highest is Applied Nutrition Critical Whey Protein Powder 2kg - High Protein Powder, Protein Milkshake, Muscle Building Supplement with BCAAs & Glutamine (2kg - 67 Servings) (Vanilla Ice Cream) by Applied Nutrition based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Protein Whey Powder and the best cost-to-value ratio is 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 Varyat Optimum Nutrition with a 25% discount.
Our list of the best Protein Whey Powder 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 Whey Powder in The UK

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We scanned 1018 products

We concluded that: