10 Best High Protein Powder in The UK

Last updated on 13/09/2025

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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.

The Bulk Protein Company

The Bulk Protein Company - Serious Gainz – Mass Gainer Protein Powder – Banana 5kg, B142-BA

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Why We Love It

Optimal for muscle recovery and growth.
Promotes mass gain efficiently.
Amazing taste with variety.

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

USN Muscle Fuel Anabolic All-In-One Muscle Mass Gainer, Cookies & Cream Flavour - 2kg, 54g Protein Powder, 5g Creatine Powder & 5g BCAAs For Maximum Muscle Growth, Post Workout Recovery Drink Mix

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Why We Love It

Optimal protein and creatine dosage.
Enhances physical performance.
Decreases muscle protein breakdown.

Main Highlights

USN Muscle Fuel Anabolic protein drink mix: High protein shake powder with Vitamins, Minerals, Carbohydrates, BCAAs, Amino Acids and Creatine. Premium dietary supplement designed to support muscle building
Premium women's and men's supplements: USN diet supplements offer proven benefits, when taken alongside a balanced diet and healthy lifestyle. Always consult a healthcare professional first
Mass gainer protein powder: Cookies and Cream flavoured drink powder with 54g of premium quality protein, 77g of carbohydrates and 850mg of HMB to support muscle recovery, growth and performance
Reach your goals: All in one muscle gain building stack, combined with raw creatines and carbohydrates, so creatine is easily absorbed and transported around the body. Easy to mix with water
Ultimate Sports Nutrition: USN are at the forefront of sports nutrition research, making effective sports nutrition supplements for professional and non-professional athletes, pre or post workout

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

18% 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.

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Vanilla, 8 Servings, 2.73 kg, Packaging May Vary

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Why We Love It

Boosts muscle growth and performance.
Supports muscle recovery effectively.
Delicious variety of flavours.

Main Highlights

CALORIE RICH PROTEIN SOURCE – the ultimate gainer powder which can be used post-workout or between meals
SUPPORTS SERIOUS SIZE – great for those aspiring to be bigger, for those who find it hard to gain weight / muscle, or for those on the go who have high caloric needs due to intense training
1,255-1272 CALORIES per serving – when mixed with water
50 g – 53 g PROTEIN per serving
250 g+ CARBOHYDRATES per serving
ADDED CREATINE, L-GLUTAMINE & GLUTAMIC ACID
INSTANTISED POWDER – helps the powder dissolve easily and mixes well in a blender with other ingredients such as fruit and nut butters for added calories
24 VITAMINS & MINERALS per serving
NO ADDED SUGAR
AVAILABLE IN 6 LB TUBS OR 12 LB BAGS

Applied Nutrition Critical Whey Protein Powder 2kg - High Protein Powder, Protein Milkshake, Muscle Building Supplement with BCAAs & Glutamine (2kg - 67 Servings) (White Choco Bueno)

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Why We Love It

Promotes muscle building and maintenance.
Quick and easy preparation.
Assures highest quality for athletes.

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.

Warrior Whey Protein Powder – Up to 36g* of Protein Per Shake – Low Sugar, and Low Carbs – GMP Certified (Double Chocolate, 1kg)

6% OffFree Shipping

Why We Love It

High protein for muscle growth.
Low carb, minimal sugar.
Versatile usage for goals.

Main Highlights

36g PROTEIN PER 50g SERVING TO HELP BUILD MUSCLE - 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.
LOW CARB & LOW IN SUGAR - Warrior Whey is HIGH in protein but low in Carbohydrates, Fats, and Sugar. Ideal to use as a meal replacement as part of a calorie-controlled diet while trying to lean out, and Ideal for those simply looking to BUILD MUSCLE and BURN FAT at the same time.
USE ANY DAY FOR DIFFERENT GOALS - Portion size can be increased or decreased depending on your training goals. For LEANING OUT, use 1 scoop mixed with 200ml water to create a low-carb Protein Shake. For LEAN GAINS, use 2 scoops instead.
WHEY PROTEIN - Whey digests quickly and is rich in branched-chain amino acids (BCAAs) which play a major role in promoting MUSCLE GROWTH and RECOVERY after resistance and endurance exercise. BCAAs are the building blocks for muscle protein synthesis, which is the creation of new muscle.
PROTEIN SHAKE THAT TASTES GREAT - Available in super tasty flavours: Double Chocolate, Strawberry crème, Vanilla Ice Cream, White Chocolate, Coconut, Salted Caramel, and Unflavoured Unlike other bland protein shakes, ours taste DELICIOUS Can also be added to smoothies, oats, or pancake mix to create high-protein meals.

SCI-MX Ultra Muscle - Protein Powder for Muscle Development + 23 Vitamins & Minerals - Banoffee • 56g Protein + 5g Creatine + 7.8g BCAAs per Serving • 1.5kg

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Why We Love It

High-quality muscle support formula.
Packed with essential nutrients.
Aids efficient muscle growth.

Main Highlights

⚡ FUEL YOUR MUSCLES WITH OUR ALL-IN-ONE FORMULA. Unlock your potential with our scientifically developed formula which is ideal for those looking to develop and maintain quality muscle, with added amino acids, vitamins and minerals for extra benefits. Each serving provides a generous 56g protein plus 5g creatine monohydrate and 7.8g BCAAs, providing you with ample support for muscle growth and maintenance.
🏋️‍♂️ BENEFITS: Packed with high-protein ingredients, this scientifically crafted formula is designed to help you achieve your muscle-building goals efficiently and effectively. With its high-protein content, essential amino acids, and vitamins and minerals including Vitamin A, D, E, K, C B12, Magnesium, Iron etc. This formula empowers you to achieve your goals faster and more effectively than ever before. Say goodbye to mediocre results and hello to the ultimate muscle development solution.
🍓 HOW & WHEN TO USE: This innovative formula is enriched with a high-protein blend that provides your muscles with the necessary fuel to grow and repair, Ultra Muscle has you covered. Do not exceed daily dose. Store out of reach of children. Do not substitute for a varied / healthy diet. Suitable for Vegetarians. Produced in a facility that also handles nuts. Allergens include MILK, SOYA AND CEREALS CONTAINING GLUTEN.
🧡 POWERING EVERY GOAL: Whether you want to build muscle, bulk, reduce body fat or peak your performance, our core focus is delicious, fitness-focused nutrition in the most fun and indulgent flavours. Our products are made to complement all types of training and performance goals – whether you’re a casual gym goer, an athlete or sportsperson, you can reap the benefits of our all-in-one formula designed specifically for individuals striving to develop and maintain top-quality muscle.
⭐ WHY SCI-MX: Our goal is to help nurture, support, and inspire the sportsperson in all of us. From recovery to competition training, there’s a SCI-MX product to help you achieve your goal. From high-quality protein powders, pre-workout and post-workout blends like creatine monohydrate to high-protein snacks such as flapjack bars, we've got you covered. Our no-nonsense approach to sports nutrition supplements guarantees you’ll always receive premium quality, great value products.

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

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.

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.

8.9

Excellent

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We scanned 169 products

We reviewed these offers relevant to the High Protein 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 The Bulk Protein Company, USN, Optimum Nutrition, Applied Nutrition, Warrior, SCI-MX, Bulk, Myprotein, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best High Protein Powder in the market, we considered we took a deep dive into 846 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 SERIOUS PROTEIN – Protein Powder – 4kg – Low Carb – Supports Lean Muscle Growth – Recovery Supplement - The Bulk Protein Company - 133 Servings (Chocolate). We love many things about this product by The Bulk Protein Company. What sets it apart from the competition is Aids in muscle growth, Low calorie protein source, Great taste, excellent value.
The best value product for most shoppers and where user satisfaction is continuously the highest is The Bulk Protein Company - Serious Gainz – Mass Gainer Protein Powder – Banana 5kg, B142-BA by The Bulk Protein Company based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for High Protein Powder and the best cost-to-value ratio is SERIOUS PROTEIN – Protein Powder – 4kg – Low Carb – Supports Lean Muscle Growth – Recovery Supplement - The Bulk Protein Company - 133 Servings (Chocolate)at The Bulk Protein Company with a 20% discount.
Our list of the best High Protein 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 High Protein Powder in The UK

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We scanned 169 products

We concluded that: