10 Best Pure Protein Bulk in The UK

Last updated on 03/08/2025

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NAKED Chocolate Pea Protein - Pea Protein Isolate from North American Farms - 5lb Bulk, Plant Based, Vegetarian & Vegan Protein. Easy to Digest, Non-GMO, Gluten Free, Lactose Free, Soy Free

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Why We Love It

Pure and natural ingredients.
Vegetarian and Vegan friendly.
Promotes clean muscle gain.

Main Highlights

ONLY THREE INGREDIENTS: Yellow Pea Protein, Raw Cacao and Organic Coconut Sugar. Naked Pea contains no artificial sweeteners, artificial flavors, or colors and is GMO-Free, Soy Free and Gluten-Free.
VEGETARIAN AND VEGAN PROTEIN: Our chocolate pea protein power is dairy free and made from raw yellow peas grown on environmentally friendly farms in both the USA and Canada.
MAXIMUM NUTRITION: 25g of Protein, 5g of Sugar, 8g of Carbs, 160 Calories, and 5.6g of BCAAs (branched-chain amino acids) per serving.
PROTEIN SHAKES AND RECIPES: Create chocolate pea protein shakes, smoothies and healthy green drinks. Provide your body with the daily protein it needs by adding Naked Pea to tea, sauces, and other recipes.
CLEAN GAINS: To maintain a clean high-protein diet, use Naked Pea in pre and post workout shakes, smoothies and recipes for maximum recovery.

The Bulk Protein Company

SERIOUS PROTEIN – Protein Powder – 4kg – Low Carb – Supports Lean Muscle Growth – Recovery Supplement - The Bulk Protein Company - 133 Servings (Chocolate)

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Why We Love It

Aids in muscle growth.
Low calorie protein source.
Great taste, excellent value.

Main Highlights

✅ 24g PROTEIN PER SERVING TO BUILD LEAN MUSCLE - A convenient way to help meet your daily protein needs. Use after training to quickly heal micro-tears in muscle tissues, speed up recovery and reduce muscle soreness for STRONGER and BIGGER muscles over time.
✅ HIGH PROTEIN, LOW CALORIES, LOW CARBS - Only 114 Calories Per Serving! Serious Protein powder is 80% Protein with Low Carbs, Sugars, and Fats. Ideal for adding LEAN MASS! Perfect to use as a meal replacement or part of a calorie-controlled diet, while trying to lean out, or for those simply looking to support MUSCLE GAINS.
✅ HIGH QUALITY INGREDIENTS - Premium blend of Whey Protein Concentrate, Micellar Casein and Soy Protein Isolate, a combination of slow and fast releasing proteins for total protein synthesis throughout the day. Also contains GLUTAMINE PEPTIDE, essential for muscle recovery and more bioavailable than regular glutamine, helping aid MUSCLE GROWTH.
✅ PROTEIN SHAKE THAT TASTES GREAT - Add 1 rounded scoop (30g) to 250ml of cold water or skimmed milk and shake well to create a great tasting Protein Shake! Can also be enjoyed in smoothies, with oats or when added to a pancake mix. For best results consume 1 serving (30g) one to three times per day
✅ EXCELLENT VALUE - More than 6 weeks supply in one tub, when following our recommended servings. Comes with scoop for measurements.

Bulk Pea Protein Isolate Powder, Vegan Protein Shake, 2.5 kg, 83 Servings, Packaging May Vary

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Why We Love It

Supports plant-based training diets.
Smooth, naturally soluble formula.

Main Highlights

Our premium plant protein shake, made with 100% pure pea protein
Packed with at least 23 g plant protein and 4 g naturally occurring BCAA (branched chain amino acids) per serving
This highly-soluble formula creates a naturally smooth shake
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

Bulk Pure Whey Protein Isolate Powder Shake, Vanilla, Packaging May Vary, 1000 g

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Why We Love It

High-quality protein for training enhancement.
Low in sugar and fat.
Available in delicious flavors.

Main Highlights

Level up your training with Pure Whey Isolate, an advanced high-protein formula
Powered by at least 24 g protein and 5 g naturally occurring BCAA (branched chain amino acids) per serving
An extra level of filtration produces an advanced formula that's low in sugar and fat
A premium form of protein to help manage the macros and get those gains
Available in a range of delicious flavours, this is your perfect training partner

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

20% OffFree Shipping

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

The Bulk Protein Company

The Bulk Protein Company, SERIOUS GAINZ - Whey Protein Powder - Weight Gain, Mass Gainer - 30g Protein Powders (Chocolate, 5kg)

13% OffFree Shipping

Why We Love It

Builds muscle with high protein.
Promotes mass gain effectively.
Offers excellent value for money.

Main Highlights

30g PROTEIN PER SERVING TO HELP BUILD MUSCLE - Protein Isolate powder that contains 30 grams of high quality Protein per serving. A convenient and easy way to help you meet your daily protein needs. Use after training to quickly heal micro-tears in muscle tissues, which speeds up recovery, reduces muscle soreness and leads to stronger and bigger muscles over time.
PUT ON SIZE AND GAIN MASS - With 468 lean calories per serving, Serious Gainz protein powder is ideal when BULKING. Use as part of a balanced diet to help add body mass and increase weight gain. Contains 81g of carbohydrates which will help your body absorb the protein within, turning it into muscle mass to help towards improving your overall body composition.
PROTEIN SHAKE THAT TASTES GREAT - Add 3 scoops of powder to 400-500ml of water or milk and mix well to create a great tasting Protein Shake! Can also be enjoyed in smoothies, with oats or when added to a pancake mix. Protein powders don't have to be boring, so we made 10 different flavours for you to choose from.
HIGH QUALITY WHEY PROTEIN - Whey digests quickly and is rich in branched-chain amino acids (BCAAs). One of these BCAAs, Leucine, plays a major role in promoting muscle growth and recovery after resistance and endurance exercise. When amino acids are digested and absorbed into your bloodstream, they become available for muscle protein synthesis, which is the creation of new muscle.
EXCELLENT VALUE 5kg TUB WITH 40 SERVINGS - With up to a month's supply of high quality protein powder, we offer great value for your money compared with other brands. We recommend one serving per day to consistently meet your daily protein goal. Consume immediately post-training on workout days and between breakfast and lunch on non-workout days. Comes with scooper for measurements.

Pure & Natural Lamb Ears with Hair - Lamb Dog Chew Natural, High Protein, Low Fat, Hypoallergenic, Promotes Dental Health, Ideal for All Ages - 1kg Bulk Box

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Why We Love It

Loved by dogs' taste buds.
Helps with dental health.
Ideal for meat allergies.

Main Highlights

Savoury lamb flavour loved by dogs - a tasty, natural chew to keep them entertained.
Unique protein for dogs - ideal for dogs with common meat allergies, a delicious treat for all.
Hypoallergenic, Sensitive Dog Treats: perfect for sensitive stomachs, grain free chews to promote wellness.
Promotes Dental Health: These hairy lamb ears help brush plaque and tartar as a natural toothbrush.
1kg Bulk Box: A lasting supply of these sheep ears dog chews in a convenient display box.

Bulk Pure Essential Amino Acids Powder, 500 g, Packaging May Vary

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Why We Love It

Premium blend of 9 amino.
Essential for all diets.
Perfect for any workout.

Main Highlights

A premium blend of 9 essential amino acids in one easy-to-mix powder
Powered by at least 5.3 g leucine of Unflavoured per 15 g serving
Suitable for a vegetarian and vegan diet
Perfect for dedicated trainers pre, intra or post workout
Available in a range of delicious flavours, this is your perfect training partner

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

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Why We Love It

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

Satisfying with essential protein.
Silky smooth texture.
Perfect training partner.

Main Highlights

Provides 21g of protein per serving, including 9g of essential amino acids (EAA), supporting muscle growth and muscle maintenance.
A convenient source of high quality protein, ideal for supporting your daily nutrition goals.
A simple and reliable protein option, ideal for using throughout the day whether added to breakfast, blended into smoothies, or included in your favourite recipes.
Easily dissolves in water, milk, or shakes for a smooth and enjoyable protein experience, available in a range of popular flavours.
Perfect for pre- or post-workout supplementation or a convenient protein boost throughout the day, supporting an active and balanced lifestyle.

8.9

Excellent

We scanned 975 products

We reviewed these offers relevant to the Pure 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 NAKED, The Bulk Protein Company, Bulk, Optimum Nutrition, Pure & Natural, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Pure Protein Bulk in the market, we considered we took a deep dive into 4876 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 NAKED Chocolate Pea Protein - Pea Protein Isolate from North American Farms - 5lb Bulk, Plant Based, Vegetarian & Vegan Protein. Easy to Digest, Non-GMO, Gluten Free, Lactose Free, Soy Free. We love many things about this product by NAKED. What sets it apart from the competition is Pure and natural ingredients, Vegetarian and Vegan friendly, Promotes clean muscle gain.
The best value product for most shoppers and where user satisfaction is continuously the highest is SERIOUS PROTEIN – Protein Powder – 4kg – Low Carb – Supports Lean Muscle Growth – Recovery Supplement - The Bulk Protein Company - 133 Servings (Chocolate) by The Bulk Protein Company based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Pure Protein Bulk and the best cost-to-value ratio is Optimum Nutrition ON Gold Standard 100% Isolate Pure Whey Protein, Naturally Occurring BCAAs and Glutamine, Pre and Post Workout, Vanilla Flavour, 31 Servings, 930 gat Optimum Nutrition with a 20% discount.
Our list of the best Pure 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.

10 Best Pure Protein Bulk in The UK

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We scanned 975 products

We concluded that: