10 Best Unflavored Protein Powder in The UK

Last updated on 05/07/2025

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Optimum Nutrition Gold Standard Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and Amino Acids, Unflavoured, 75 Servings, 2.25kg, Packaging May Vary

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Why We Love It

Supports fitness journey from day one.
Aids muscle gain and recovery.
Choice of delicious flavours 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

The Bulk Protein Company

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

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Why We Love It

Promotes muscle growth and recovery.
Tastes great with various recipes.
Long lasting value pack.

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

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Why We Love It

Award-winning protein shake for training.
Packed with nutrients and protein.
Low-fat, low-sugar delicious 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

Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Unflavoured, 30 Servings, 900 g

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Why We Love It

Supports muscle gain and recovery.
Low in sugar and fat.
Taste variety and easy preparation.

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

Boho Unflavoured Organic Vegan Protein Powder Blend (1kg - 57 Servings) Plain & Unsweetened, Organic Plant Based Protein, Dairy Free, Gluten Free, Lactose Free, Pea, Plant Protein Powder

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Why We Love It

Pure plant-based protein blend.
Unsweetened and organic goodness.
High nutritional value.

Main Highlights

UNFLAVOURED: But NOT "flavourless"... its made from plant protein so has a "planty" vibe. Its certainly smoother and nicer than pea protein powder, rice protein powder or soy protein powder alone!
NO ADDITIVES: Our unflavoured protein powder is free from sweeteners, flavorings, dairy, gluten, gums, stevia, sucralose and more. Pure, simple ingredients for a clean, straightforward boost to your health and wellness routine!
ORGANIC & VEGAN: Our plant based diet protein powder is vegan certified to ensure purity and plant-powered goodness in every scoop. Clean plant protein powder that fuels your body and respects the earth!
MULTISOURCE PROTEIN: A specially crafted blend combining pea protein powder with pumpkin, sunflower, flax, and chia proteins. Enjoy a balanced taste and all 20 essential amino acids your body needs for optimal vitality!
VERSATILE: Perfect for smoothies & baking, or simply shake it with water or plant milk for a natural "planty" taste! Ideal for any diet, our protein powder vegan adapts to your culinary needs while providing great nutrition.
SMART NUTRITION: Lean Protein Powder for clean nutrition with organic protein to keep you fueled with essential nutrients for peak performance every day.
NATURAL FUEL : A cleaner, more sustainable alternative to diet whey protein powder, this plant-based formula delivers pure, natural nourishment without artificial additives, sweeteners, or fillers. Unlike traditional whey isolate protein powder, it is sourced from high-quality ingredients, it ensures better digestibility and a balanced nutritional profile, supporting your health and fitness goals.

Protein Works - Vegan Protein Powder, Unflavoured, 33 Servings, 100% Plant Based & Natural, Premium Multi-Protein Blend, Low Fat Shake, Low Calorie Shake, 1kg

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Why We Love It

Totally plant-based, perfect for vegans.
Delicious, creamy and easily mixable.
Packed with essential nutrients.

Main Highlights

PREMIUM 5-SOURCE PLANT PROTEIN: Our innovative blend combines Soy, Pea, Pumpkin, Brown Rice and Sunflower proteins to deliver 25g of complete protein per shake, making it perfect for vegans, vegetarians and anyone following a plant-based lifestyle.
COMPLETE NUTRITION & WELLNESS: Each serving is enhanced with essential Vitamin B12, B6, and Magnesium, providing a full amino acid profile. It's the perfect meal replacement option for active lifestyles.
CLEAN & LEAN FORMULA: With only 0.6g fat and 0.2g carbs per serving, our formula contains zero added sugar and is 100% plant based. It contains no artificial flavors or sweeteners, making it perfect for weight management.
AWARD-WINNING TASTE: Our smooth and creamy flavors have been perfected over 10 years. It mixes easily with water or plant milk, with no chalky texture or aftertaste. Perfect for shakes, smoothies, and baking.
VERSATILE & CONVENIENT: No matter what diet or body goal you're pursuing, Vegan Protein is a great option for anyone who enjoys keeping in shape and living a healthy lifestyle. Made in the UK in our eco-friendly packaging, backed by our 100% satisfaction guarantee.

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

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Why We Love It

High in protein content.
Super tasty flavor options.
Great for muscle recovery.

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 perfect 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.

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

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Why We Love It

High-protein formula for training.
Low in sugar and fat.
Available in delicious flavours.

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

Myprotein Impact Whey Protein Powder. Muscle Building Supplements for Everyday Workout with Essential Amino Acid and Glutamine. Vegetarian, Low Fat and Carb Content - Unflavoured, 1kg

Why We Love It

Impressive protein value per serving.
Low calories count.
Abundance of flavors choices.

Main Highlights

EVERYDAY PROTEIN - Premium whey packed with 21g of protein per serving, for the everyday protein you need from a quality source. Can be used by both men and women, perfect for everyone, whatever your fitness goals
VARIETY OF FLAVOURS - Get yours in over 40, indulgent, mouth-watering flavours, including some delicious favourites such as Chocolate, Vanilla, and Strawberry Cream. If you prefer a more natural taste, we’ve got a range of stevia flavoured options too!
EASY TO USE - It’s fast absorbing, so we recommend adding 1 large scoop (25g) to 150-250ml of water or milk 30-60 minutes post-workout — but it’s ideal any time for a convenient way to get the protein you need
LOW IN SUGAR AND FAT - Vegetarian friendly with just 1.9g of fat, 1g of carbs, and at just 103 calories per serving, our Impact Whey Protein makes the perfect shake for everyone
QUALITY ASSURANCE - There’s simply not another protein powder out there that delivers the same outstanding quality and value. And that’s because at MyProtein, our products are created in our own state-of-the-art production facility. Our popular Impact Whey Protein provides over 80% protein per serving, so you can be assured of its quality

PINK SUN Whey Protein Concentrate Powder Unflavoured 1kg (82% Protein) Soy Free Grass Fed Gluten Free Vegetarian Undenatured Non GM Unsweetened Everyday Whey UK 1000g

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Why We Love It

Premium quality, SOY free protein.
Naturally flavored, no added sugars.
Suitable for vegetarians, gluten-free.

Main Highlights

Premium quality, SOY FREE, undenatured whey protein concentrate powder 1kg
From grass-fed hormone-free cows' milk with 82% protein
Contains essential branch chain amino acids and immunoglobulins to assist in glutathione production
Unflavoured natural taste - no added sugar or artificial sweeteners
Gluten free, suitable for vegetarian and wholefood diets

8.8

Excellent

We scanned 227 products

We reviewed these offers relevant to the Unflavored 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 Optimum Nutrition, The Bulk Protein Company, Bulk, Boho, Protein Works, Warrior, Myprotein, PINK SUN, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Unflavored Protein Powder in the market, we considered we took a deep dive into 1136 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 Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and Amino Acids, Unflavoured, 75 Servings, 2.25kg, Packaging May Vary. We love many things about this product by Optimum Nutrition. What sets it apart from the competition is Supports fitness journey from day one. , Aids muscle gain and recovery. , Choice of delicious flavours available.
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 (Banana) by The Bulk Protein Company based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Unflavored Protein Powder and the best cost-to-value ratio is Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Unflavoured, 30 Servings, 900 gat Optimum Nutrition with a 20% discount.
Our list of the best Unflavored 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 Unflavored Protein Powder in The UK

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Warrior Whey Protein Powder 500g - Up to 36g* Protein per Shake – Low Sugar - Muscle Growth and Recovery Drink - Amazing Taste - 20 Servings - GMP Certified (Strawberry Milkshake)

Form Pureblend Protein - Unflavoured and Unsweetened Vegan Protein Powder - 15g of Plant Based Protein per Serving. Perfect for Your Smoothies, Cooking and Baking.

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Isopure Unflavoured Whey Protein Isolate Powder, High in Protein with 25 g per Serve, Low in Sugar, No Artificial Flavours or Sweeteners, Made with Only 2 Ingredients, 435 g

We scanned 227 products

We concluded that: