10 Best Post Workout Protein Powder in The UK

Last updated on 08/08/2025

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Reflex Nutrition Growth Matrix Post Workout Protein Powder Recovery Protein Powder 38g Protein per serving with BCAA's & Creapure Creatine (Chocolate) (1.89kg)

Why We Love It

High protein and carb content.
Enriched with beneficial vitamins.
Easily absorbed hydrolysed whey protein.

Main Highlights

Growth Matrix POST WORKOUT POWDER is a recovery protein shake providing 38g of protein and 53g of carbs per serving along with BCAA's ideal to support your workout routine.
Each serving of Growth Matrix post workout powder also provides an instant hit of amino acids, L-leucine and glutamine, vitamin B6, fast-acting carbohydrates and Creapure Creatine.
The whey protein in Growth Matrix has been extensively treated with enzymes (hydrolysed), which makes it far easier to absorb into the bloodstream. Hydrolysed whey protein is simply whey protein that is already partially digested, which as a result, absorbs faster into the bloodstream.
Reflex Nutrition only uses whey protein derived from grass-fed cows ensuring premium quality. Milk from grass-fed cows is richer in omega-3 fatty acids and has up to five times as much CLA.
Manufactured on an informed sport registered facility, suitable for vegetarians and made on a Halal certified site. Hormone free, no added sugars, artificial colours or soy protein. Available in 1.89kg tubs wih 18 servings

Optimum Nutrition ON Gold Standard 100% Isolate Pure Whey Protein, Naturally Occurring BCAAs and Glutamine, Pre and Post Workout, Chocolate Flavour, 31 Servings, 930 g

20% OffFree Shipping

Why We Love It

Supports lean muscle gain.
Ultra-filtered for exceptional purity.
Perfect for workout recovery.

Main Highlights

Gold Standard whey protein powder contains 25g (83%) of high quality 100% 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 & 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

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 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Double Rich Chocolate Flavour, 73 Servings, 2.26 kg

19% OffFree Shipping

Why We Love It

Supports fitness journey from start.
Assists in muscle gain, recovery.
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
*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 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.

Applied Nutrition Endurance - Post Exercise Recovery Drink, Protein Powder with Carbohydrates Electrolytes BCAAs Vitamins & Minerals (1.5kg - 30 Servings) (Chocolate)

17% OffFree Shipping

Why We Love It

Prevents muscle cramps effectively.
Perfect for intense exercise.
Certified high-quality ingredients used.

Main Highlights

POST WORKOUT RECOVERY DRINK: Endurance Velocity-Fuel Recovery drink is at the forefront of modern day post exercise recovery fuel demands. It maintains fluid balance in the body and helps to prevent muscle cramps or delayed-onset muscle soreness.
IDEAL FOR INTENSE EXERCISE: For prolonged or intense exercise, Endurance is the perfect workout recovery. Its protein, carb and electrolyte blend works to refuel your body, providing it with maximum levels of key revitalising and replenishing components.
TESTED FOR ATHLETES: Endurance recovery drink is batch tested to the standards of professional athleticism. It contains highly researched ingredients, leading to its Informed-Sport certification. You are guaranteed to be refuelling your body with high quality proteins, carbohydrates and electrolytes from drinking one tasty shake.
3 DELICIOUS FLAVOURS: Endurance recovery powder comes in a range of 3 delicious flavours: Chocolate, Strawberry and Vanilla. After a workout, this is a tasty treat you can look forward to, while also giving your body the essential nutrition it needs.
EASY TO PREPARE: Applied Nutrition make sure your recovery drink is easy to prepare and drink. Simply add 1 heaped scoop to 400-500ml of cold water and shake until it is well mixed, and it is ready to consume.

HIGH5 Recovery Drink - Carbohydrate and Whey Protein Powder (20g) for Muscle Recovery with Electrolytes Powder - Fast-Absorbing Post Workout Shake (Chocolate Milkshake, 1.6kg - 32 Servings)

37% OffFree Shipping

Why We Love It

Promotes muscle growth and recovery.
Optimizes training with quality protein.
Natural, tasty chocolate fruit flavorings.

Main Highlights

Complete Muscle Recovery Formula: HIGH5 Recovery Drink provides the ideal mix of 20g whey protein and 20g fast-release carbohydrates per serving to repair, rebuild, refuel, and rehydrate muscles after exercise (electrolytes drinks hydration powder)
Post Workout Protein Powder, Protein Shake for Muscle Growth & Maintenance: formulated with carbohydrate powder and whey protein concentrate, this post workout recovery shake helps reduce soreness and accelerate muscle recovery after intense workouts
Electrolyte Powder, Minerals & Vitamins for Hydration: replaces key electrolytes lost through sweat with 400mg sodium, 90mg potassium, 57mg magnesium, 82mg chloride, and 120mg calcium - Includes Vitamin C, Zinc, and Iron to support the immune system
Kind on the Stomach Sports Nutrition Drink Powder: free from artificial sweeteners and smooth-mixing with water or milk, no shaker needed - Perfect carb powder and whey powder protein supplements as running supplements and cycle nutrition
Convenient & Tasty Recovery Protein Powder: available in delicious Chocolate, Strawberry, Vanilla & Banana flavours, this easy-mix powder makes post-exercise recovery simple, with no shaker needed - 1.6kg tub provides 32 servings (3 scoops per serving)
Scientifically Designed, Athlete-Approved: for endurance sports like running, cycling, and Hyrox, HIGH5 Recovery Powder Carbohydrate Supplements Electrolytes Drink is a vegetarian, post workout recovery drink that help you get back to training faster

EHP Labs OxyWhey Lean Whey Protein Powder - 25g of 100% Pure, Lean, Non-GMO Whey Protein Blend, Post Workout Fitness & Nutritional Shakes, Smoothies, Baking & Cooking - 27 Serves (Choc Caramel)

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Why We Love It

High in Whey Protein.
Easy on Digestion.
Packed with Probiotics.

Main Highlights

25g of Whey Protein Blend: OxyWhey delivers a robust 25g of whey protein isolate per serving, meticulously balanced with just 2g of fat and 4g of carbs. Ideal for fitness enthusiasts seeking optimal & high protein intake, our protein supplement comes in a tantalizing range of flavors, crafted to eliminate common digestive issues like gas and bloating. Perfect for muscle growth, recovery, and meeting daily protein needs.
Packed with Probiotics & Essential Vitamins: Experience the gut-health benefits of advanced super probiotics in OxyWhey premium protein drinks. Our whey isolate is scientifically backed to improve digestion, our protein shake minimizes stomach discomfort often linked with whey. Enriched with vitalizing vitamins, including a complete B-vitamin spectrum, it supports overall wellness, immune health, and energy levels.
Easy to Digest: Our OxyWhey protein shake powder is engineered with premium digestive enzymes, promoting easy absorption and internal well-being. Featuring our patented enzyme blend plus lactase, it ensures maximum protein benefits without the common side effects of gas and bloating, making it ideal for those with sensitive digestion.
Convenient & Easy to Take Protein Source: Easily integrate OxyWhey low carb protein powder into your daily routine – just mix 1 scoop with 8 oz of cold water or almond milk for a smooth, delicious meal replacement powder. Perfect as a post workout recovery powder or a convenient meal replacement shakes. OxyWhey is your go-to solution for maintaining protein intake at any time of the day.
High Quality - We use only the finest ingredients, all of which are manufactured in our USA, GMP compliant, state-of-the-art facility. Every batch is laboratory tested for quality assurance. We're confident that you'll love our high protein products.

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, Chocolate, 1 kg, Packaging May Vary

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Why We Love It

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

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

9.0

Superb

We scanned 217 products

We reviewed these offers relevant to the Post Workout 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 Reflex, Optimum Nutrition, USN, Applied Nutrition, HIGH5, EHP LABS, Myprotein, Bulk, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Post Workout Protein Powder in the market, we considered we took a deep dive into 1086 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 Reflex Nutrition Growth Matrix Post Workout Protein Powder Recovery Protein Powder 38g Protein per serving with BCAA's & Creapure Creatine (Chocolate) (1.89kg). We love many things about this product by Reflex. What sets it apart from the competition is High protein and carb content, Enriched with beneficial vitamins, Easily absorbed hydrolysed whey protein.
The best value product for most shoppers and where user satisfaction is continuously the highest is Optimum Nutrition ON Gold Standard 100% Isolate Pure Whey Protein, Naturally Occurring BCAAs and Glutamine, Pre and Post Workout, Chocolate Flavour, 31 Servings, 930 g by Optimum Nutrition based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Post Workout Protein Powder and the best cost-to-value ratio is HIGH5 Recovery Drink - Carbohydrate and Whey Protein Powder (20g) for Muscle Recovery with Electrolytes Powder - Fast-Absorbing Post Workout Shake (Chocolate Milkshake, 1.6kg - 32 Servings)at HIGH5 with a 37% discount.
Our list of the best Post Workout 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 Post Workout Protein Powder in The UK

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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

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Bulk Essential Whey Protein Powder | Vanilla | 21g Protein per Serving | 9g Essential Amino Acids (EAA) | Supports Muscle Growth | Smooth Mixing | Vegetarian | Natural Flavours | 500g

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Optimum Nutrition Gold Standard 100% Plant Based Protein Powder for Men and Women, Vegan Protein Shake Powder, Post Workout, or anytime throughout the day, Vanilla Flavour, 21 Servings, 684g

Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before Bed Protein Shake (Strawberries & Cream, 2 kg)

USN Blue Lab Whey Protein Powder: Strawberry - Whey Protein 908g - Post-Workout - Whey Isolate - Muscle Building Powder Supplement With Added BCAAs

We scanned 217 products

We concluded that: