10 Best Protein Supplements in The UK

Last updated on 05/09/2025

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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, 73 Servings, 2.26 kg

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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

Vital Proteins Collagen Peptides Powder Supplement (Type I, III), Unflavoured Hydrolyzed Collagen-Hair, Skin, Nail Support Supplement, Paleo, Gluten Free, Non-GMO, 20g per Serving 587g Canister, 1Pack

3% OffFree Shipping

Why We Love It

Promotes radiant hair and skin.
GMO-free and dietary friendly.
Ensures consistent collagen dosage.

Main Highlights

Hydrolyzed Type I, III Collagen: Elevate beauty and wellness. With Vital Proteins. Our unique collagen blend is crafted to provide key support for radiant hair, skin, and nails, enhancing your daily beauty routine.
Prioritise your health confidently. Choose Vital Proteins for a high-quality collagen supplement. Perfect for those committed to wellness and ideal for those on a gluten-free diet.
20g Potent Collagen Serving: Embrace consistent collagen dosing. With 10-20g recommended for daily wellness, Vital Proteins ensures every scoop aligns with your beauty and wellness goals. For increased intake, consult a healthcare professional.
Bioavailable Collagen Peptides: Maximum benefit, swift absorption. Vital Proteins offers a blend that's quickly digested and absorbed, ensuring you get the utmost from each serving.
Eco-Friendly Updated Packaging: Same excellent product, evolved packaging. Vital Proteins is going scoopless but your trusted dosages remain unchanged. Follow our label's guidance, now measured in tablespoons, for consistent servings

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.

USN Blue Lab Whey Protein Powder: Chocolate Caramel - Whey Protein 2kg - Post-Workout - Whey Isolate - Muscle Building Powder Supplement With Added BCAAs

29% Off

Why We Love It

High in muscle-building proteins.
Includes digestion-friendly Tolerase.
Low sugar and carbs.

Main Highlights

USN Whey Protein powder: Blue Lab USN Protein Powder contains premium Whey Isolate, Whey Hydrolysate and Whey Concentrate, giving up to 25g of Protein. With Amino Acids, Enzymes and added BCAAs
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
Tasty post workout recovery drink: USN Whey Protein isolate supplement blend, for optimal muscle growth and support, scientifically formulated to help encourage lean muscle maintenance in the body
Supports your workout goals: Tasty, high-protein complete premium drink powder blend. Created using only the best quality proteins. Easy to mix and can be enjoyed at anytime of day
Ultimate Sports Nutrition: USN are at the forefront of sports nutrition research, making effective nutrition supplements for professional and non-professional athletes - pre, post or intra workout

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.

Optimum Nutrition Gold Standard Whey Protein Powder Muscle Building Supplements With Glutamine and Amino Acids, French Vanilla Creme, 30 Servings, 900 g, Packaging May Vary, 891 - 908 g

23% OffFree Shipping

Why We Love It

Supports effective muscle gain.
Boosts recovery after workouts.
Low in sugar, varied flavors.

Main Highlights

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
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

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.

Perfect morning coffee boost.
Low calorie guilt-free indulgence.
Delicious taste with premium ingredients.

Main Highlights

𝗠𝗢𝗥𝗘 𝗙𝗥𝗢𝗠 𝗬𝗢𝗨𝗥 𝗠𝗢𝗥𝗡𝗜𝗡𝗚 – Each serving of Protein Iced Coffee contains 80mg caffeine, the same as your favourite flat white, and 19g of protein- the ideal addition to your daily ritual! Shake well with water or milk and pour over ice for an easy solution that fits into busy lives.
𝗟𝗢𝗪 𝗖𝗔𝗟𝗢𝗥𝗜𝗘𝗦 – With 𝗼𝗻𝗹𝘆 𝟵𝟳 𝗸𝗰𝗮𝗹 𝗽𝗲𝗿 𝘀𝗲𝗿𝘃𝗶𝗻𝗴, this powder is the perfect protein boost to be added to a full and varied diet. This guilt free treat makes your body feel as good as it tastes.
𝗦𝗨𝗣𝗘𝗥𝗜𝗢𝗥 𝗡𝗨𝗧𝗥𝗜𝗧𝗜𝗢𝗡𝗔𝗟 𝗣𝗥𝗢𝗙𝗜𝗟𝗘 – With 19g of protein and less than 1g of sugar per serving, Free Soul have recreated a classic coffee shop favourite, but with added benefits!
𝗜𝗡𝗖𝗥𝗘𝗗𝗜𝗕𝗟𝗘 𝗧𝗔𝗦𝗧𝗘 𝗔𝗡𝗗 𝗧𝗘𝗫𝗧𝗨𝗥𝗘 – Formulated with Arabica coffee and indulgent cocoa, enjoy a rich and delicious protein coffee. Made with premium ingredients, this velvety smooth barista-inspired protein shake is sure to upgrade your mornings.
𝗙𝗨𝗟𝗟 𝗔𝗠𝗜𝗡𝗢 𝗔𝗖𝗜𝗗 𝗣𝗥𝗢𝗙𝗜𝗟𝗘 – This dual protein blend combines whey protein powder and pea protein isolate, optimising the amino acid profile of the blend. For all the benefits of plant based powder, and the delicious texture of your favourite latté.
𝗡𝗢 𝗔𝗗𝗗𝗘𝗗 𝗦𝗨𝗚𝗔𝗥 – Containing 95% less sugar than your regular iced frappé, Free Soul’s café frappé provides all the health benefits without compromising on taste. This low calorie protein powder is ideal for those looking for healthy protein shakes, without a crash.
𝗘𝗮𝗰𝗵 𝗣𝗼𝘂𝗰𝗵 𝗰𝗼𝗻𝘁𝗮𝗶𝗻𝘀 𝟮𝟬 𝘀𝗲𝗿𝘃𝗶𝗻𝗴𝘀 | 𝟮𝟱𝗴 𝗽𝗲𝗿 𝘀𝗲𝗿𝘃𝗶𝗻𝗴

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

20% OffFree Shipping

Why We Love It

Comprehensive all-in-one protein shake.
Promotes physical performance and growth.
Industry-leading sports nutrition brand.

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: Banana 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

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.

8.7

Excellent

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We scanned 877 products

We reviewed these offers relevant to the Protein Supplements 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, VITAL PROTEINS, The Bulk Protein Company, USN, Applied Nutrition, Bulk, Free Soul, 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 Protein Supplements in the market, we considered we took a deep dive into 4386 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 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. We love many things about this product by Optimum Nutrition. What sets it apart from the competition is Supports fitness journey from start, Assists in muscle gain, recovery, Variety of flavors available.
The best value product for most shoppers and where user satisfaction is continuously the highest is Vital Proteins Collagen Peptides Powder Supplement (Type I, III), Unflavoured Hydrolyzed Collagen-Hair, Skin, Nail Support Supplement, Paleo, Gluten Free, Non-GMO, 20g per Serving 587g Canister, 1Pack by VITAL PROTEINS based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Protein Supplements and the best cost-to-value ratio is Protein Iced Coffee | 19g Protein & 80mg Caffeine per Serving | Only 97Kcal | Low Calorie + High Protein | Whey Protein & Pea Protein Isolate Blend + Digestive Enzymes | Café Frappé | Free Soulat Free Soul with a 37% discount.
Our list of the best Protein Supplements 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 Supplements in The UK

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We scanned 877 products

We concluded that: