Best Whey Protein Bulk of 2025

Last updated on 19/10/2025

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Bulk Informed Whey Protein Isolate Powder, Protein Shake with Added Digestive Enzymes, Double Chocolate, 2.27 kg, Packaging May Vary

Bulk

22% OffFree Shipping

Why we love it

Highly suitable for elite athletes.
Promotes improved digestive health.
Delicious and beneficial protein intake.

Main Highlights

A premium protein shake expertly formulated for high-performing athletes
Powered by 24 g mTOR Protein Complex, 3 g leucine and 3 g glutamine peptides per serving
Advanced formula with DigeZyme and LactoSpore to support digestion
Expertly created for elite athletes, this formula is banned substance tested under the Informed Sport Programme
Available in a range of delicious flavours, this is your perfect training partner

Bulk Informed Whey Protein Isolate Powder, Protein Shake with Added Digestive Enzymes, Double Chocolate, 2.27 kg, Packaging May Vary

22% OffFree Shipping

Why we love it

Highly suitable for elite athletes.
Promotes improved digestive health.
Delicious and beneficial protein intake.

Main Highlights

A premium protein shake expertly formulated for high-performing athletes
Powered by 24 g mTOR Protein Complex, 3 g leucine and 3 g glutamine peptides per serving
Advanced formula with DigeZyme and LactoSpore to support digestion
Expertly created for elite athletes, this formula is banned substance tested under the Informed Sport Programme
Available in a range of delicious flavours, this is your perfect training partner

Fresh alternative to shakes.
Fast absorption protein drink.
Low sugar and fat.

Main Highlights

Provides 20g of fast-absorbing whey protein isolate per serving, delivering essential amino acids to support muscle growth, repair, and lean muscle maintenance.
Crafted with low sugar content and just 86 calories per serving, making it ideal for those following calorie-controlled or balanced nutrition plans.
Available in a range of naturally inspired fruity flavours that provide a refreshing and enjoyable alternative to traditional protein shakes.
Formulated to mix quickly and smoothly with water, this hydrating protein drink is perfect for on-the-go nutrition and supports post-workout hydration needs.
Perfect for pre- or post-workout supplementation or as a convenient protein boost throughout the day, helping you stay on track with your fitness and wellness goals.

9.6

Superb

Fresh alternative to shakes.
Fast absorption protein drink.
Low sugar and fat.

Main Highlights

Provides 20g of fast-absorbing whey protein isolate per serving, delivering essential amino acids to support muscle growth, repair, and lean muscle maintenance.
Crafted with low sugar content and just 86 calories per serving, making it ideal for those following calorie-controlled or balanced nutrition plans.
Available in a range of naturally inspired fruity flavours that provide a refreshing and enjoyable alternative to traditional protein shakes.
Formulated to mix quickly and smoothly with water, this hydrating protein drink is perfect for on-the-go nutrition and supports post-workout hydration needs.
Perfect for pre- or post-workout supplementation or as a convenient protein boost throughout the day, helping you stay on track with your fitness and wellness goals.

Bulk Pure Whey Protein Powder | Blond Chocolate | 22g Protein and 5g BCAAs per Scoop | Whey Concentrate Shake | Low Sugar | Supports Muscle Growth and Repair | Smooth Mixing | Vegetarian | 2.5kg

Bulk

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Why we love it

Award-winning protein shake choice.
High protein content per serving.
Low sugar and fat options.

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.

Award-winning protein shake choice.
High protein content per serving.
Low sugar and fat options.

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.

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

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

Bulk

Free Shipping

Why we love it

Award-winning for everyday training.
Packed with essential proteins.
Delicious low-sugar 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.

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

Free Shipping

Why we love it

Award-winning for everyday training.
Packed with essential proteins.
Delicious low-sugar 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.

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

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

Bulk

Free Shipping

Why we love it

Award-winning shake for daily training.
Packed with essential proteins and BCAAs.
Sourced from European, grass-fed cows.

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.

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

Free Shipping

Why we love it

Award-winning shake for daily training.
Packed with essential proteins and BCAAs.
Sourced from European, grass-fed cows.

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.

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

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

Bulk

Free Shipping

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.

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

Free Shipping

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.

Bulk

Free Shipping

Why we love it

Award-winning protein for training.
High protein and BCAAs boost.
Low sugar for healthy choices.

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.

Award-winning protein for training.
High protein and BCAAs boost.
Low sugar for healthy choices.

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.

Bulk Pure Whey Protein Powder | Chocolate Malted Honeycomb | 22g Protein and 5g BCAAs per Scoop | Whey Shake | Low Sugar | Supports Muscle Growth and Repair | Smooth Mixing | Vegetarian | 1kg

Bulk

Free Shipping

Why we love it

Award-winning protein shake.
Low in sugar.
Delicious range of flavors.

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.

Award-winning protein shake.
Low in sugar.
Delicious range of flavors.

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, Extreme Milk Chocolate Flavour, 28 Servings, 896 g

Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Extreme Milk Chocolate Flavour, 28 Servings, 896 g

Optimum Nutrition

18% OffFree Shipping

Why we love it

Supports muscle gain and recovery.
Low in sugar and fat.
Variety of flavors available.

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

Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Extreme Milk Chocolate Flavour, 28 Servings, 896 g

18% OffFree Shipping

Why we love it

Supports muscle gain and recovery.
Low in sugar and fat.
Variety of flavors available.

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

Bulk Clear Whey All in One, Protein Powder Shake With Creatine, Glutamine, BCAA, Carbohydrates, Apple & Blackcurrant, 500 g, 10 Servings, Packaging May Vary

Bulk Clear Whey All in One, Protein Powder Shake With Creatine, Glutamine, BCAA, Carbohydrates, Apple & Blackcurrant, 500 g, 10 Servings, Packaging May Vary

Bulk

Free Shipping

Why we love it

Packed with 29g whey protein.
Contains 3g creatine monohydrate.
Anti-foam compound for quick recovery.

Main Highlights

Refreshingly crisp and clear, this complete formula is an alternative to thick, creamy shakes
Packed with 29 g whey protein, 17 g carbohydrates and 8 g BCAA (branched chain amino acids) per serving
With anti-foam compound to help bring the foam down quickly
With 3 g creatine monohydrate and 3 g L-glutamine per serving, this recovery shake is perfect for the crucial post-workout period
Available in a range of delicious flavours, this is your perfect training partner

Bulk Clear Whey All in One, Protein Powder Shake With Creatine, Glutamine, BCAA, Carbohydrates, Apple & Blackcurrant, 500 g, 10 Servings, Packaging May Vary

Free Shipping

Why we love it

Packed with 29g whey protein.
Contains 3g creatine monohydrate.
Anti-foam compound for quick recovery.

Main Highlights

Refreshingly crisp and clear, this complete formula is an alternative to thick, creamy shakes
Packed with 29 g whey protein, 17 g carbohydrates and 8 g BCAA (branched chain amino acids) per serving
With anti-foam compound to help bring the foam down quickly
With 3 g creatine monohydrate and 3 g L-glutamine per serving, this recovery shake is perfect for the crucial post-workout period
Available in a range of delicious flavours, this is your perfect training partner

We scanned 451 products

We reviewed these offers relevant to the Whey Protein Bulk 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 Bulk, Optimum 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 Whey Protein Bulk in the market, we considered we took a deep dive into 2256 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 Bulk Informed Whey Protein Isolate Powder, Protein Shake with Added Digestive Enzymes, Double Chocolate, 2.27 kg, Packaging May Vary. We love many things about this product by Bulk. What sets it apart from the competition is Highly suitable for elite athletes. , Promotes improved digestive health. , Delicious and beneficial protein intake.
The best value product for most shoppers and where user satisfaction is continuously the highest is Bulk Clear Whey Isolate | Summer Fruits | 20g Protein per Serving | Low Sugar | Refreshing Fruity Flavours | 86 Calories | Fast Absorbing | Hydrating Protein Drink | 500g by Bulk based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Whey Protein Bulk and the best cost-to-value ratio is Bulk Informed Whey Protein Isolate Powder, Protein Shake with Added Digestive Enzymes, Double Chocolate, 2.27 kg, Packaging May Varyat Bulk with a 22% discount.
Our list of the best Whey Protein Bulk 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.