10 Best High Calorie Protein Powder Unflavoured in The UK
Last updated on 13/09/2025
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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
Optimum Nutrition
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Optimum Nutrition
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
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Value for Money
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Protein Works - Whey Protein 80 (Concentrate), Low Calorie Protein Shake, Whey Protein Shake, 66 Shakes, Unflavoured, 2kg
Protein Works
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Protein Works
Protein Works - Whey Protein 80 (Concentrate), Low Calorie Protein Shake, Whey Protein Shake, 66 Shakes, Unflavoured, 2kg
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Why We Love It
- Premium protein from grass-fed cows.
- Ultra pure with instant mixability.
- Insane variety of flavours.
Main Highlights
- PURE & NATURAL WHEY PROTEIN: A single serving contains up to 22g of protein, 2.1g of carbohydrates and 111 calories per serving. Containing high protein content and rich essential amino acids, Whey Protein 80 helps to boost your protein intake, helping you hit your protein goals.
- LEAN & CLEAN FORMULA: At just 111 calories per serving with zero added sugar, this shake fits perfectly into any fitness goal to deliver pure nutrition without unnecessary calories. Whey Protein 80 delivers incredible properties to boost your protein intake and satisfy your cravings in a healthy and delicious way that is high in BCAAs, low in fat and low in cholesterol. It's perfect for those following a calorie-controlled diet.
- VERSATILE & CONVENIENT: Nutrition-dense and helping you feel fuller for longer, Whey Protein 80 can be consumed as a shake, be added to your breakfasts or smoothies, or used in baking. Offers exceptional value while providing sustained nutrition to help you stay fuller for longer throughout the day.
- INSTANT MIXABILITY: Due to its high-quality blend and perfect formulation, our Whey Protein 80 is easy and quick to blend. It yields a smooth, creamy, and delicious protein shake that’ll satisfy your tastebuds with every sip.
- BEST TASTING FLAVOURS: Choose from our range of incredible flavours, combined with an ultra smooth texture, for the best-tasting shakes on the market today. Crafted to deliver rich, indulgent taste without any artificial aftertaste.
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SERIOUS Protein – Protein Powder – 4kg – Low Carb – Supports Lean Muscle Growth – Recovery Supplement - The Bulk Protein Company - 133 Servings (Banana)
The Bulk Protein Company
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The Bulk Protein Company
SERIOUS Protein – Protein Powder – 4kg – Low Carb – Supports Lean Muscle Growth – Recovery Supplement - The Bulk Protein Company - 133 Servings (Banana)
20% OffFree Shipping
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.
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4
Bulk Pure Whey Protein Powder Shake, Unflavoured, 1 kg, Packaging May Vary
Bulk
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Bulk
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
- 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.
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Warrior Whey Protein Powder – Up to 36g* of Protein Per Shake – Low Sugar, and Low Carbs – GMP Certified (Unflavoured, 1kg)
Warrior
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Warrior
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.
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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
Optimum Nutrition
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Optimum Nutrition
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
18% OffFree Shipping
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
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MyProtein Impact Whey Protein Powder – Unflavoured – 1kg, 23g of Protein per Serving, Supports Muscle Building, Recovery & Lean Muscle Maintenance - 40 Servings
Myprotein
11% Off
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Myprotein
MyProtein Impact Whey Protein Powder – Unflavoured – 1kg, 23g of Protein per Serving, Supports Muscle Building, Recovery & Lean Muscle Maintenance - 40 Servings
11% Off
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
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Millidose 1kg unflavoured Protein Powder - unflavoured whey Protein Powder Perfect for a high Protein Shake or Snack - whey Nutrition for Building Muscle - 38g of Protein per Serving
Millidose
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Millidose
Millidose 1kg unflavoured Protein Powder - unflavoured whey Protein Powder Perfect for a high Protein Shake or Snack - whey Nutrition for Building Muscle - 38g of Protein per Serving
4% OffFree Shipping
Why We Love It
- Ideal for calorie-controlled diets.
- Promotes muscle growth, aids recovery.
- Versatile usage and delicious taste.
Main Highlights
- High Protein Powerhouse Packed with 42g of protein per serving and less than 2.5g sugar, this unflavoured protein powder is the perfect ingredient for your high protein shakes, smoothies, or snacks. It’s designed to increase muscle building, recovery, and strength for athletes and gym enthusiasts at any fitness level.
- Macros Tailored to Your Goals This whey protein powder is low in carbs, sugar, and fat, with less than 2.5g of sugar and 1.75g of fat per serving. This makes it ideal for calorie-controlled diets, it’s the ultimate choice for lean muscle growth, minimal weight gain, or as a diet whey protein powder for your active lifestyle.
- Versatile & Tasteless for Endless Uses Millidose’s unflavoured whey protein powder mixes effortlessly with water, milk, or your favorite recipes without altering the taste like other brands. Create a creamy high protein coffee, or upgrade meals and snacks to become delicious protein-packed snacks for any time of day.
- Supports Any Fitness Journey Whether you’re looking for a weight gainer for skinny people, enhancing lean muscle, or using a diet protein powder for weight loss, Millidose provides clean and effective nutrition. It’s your perfect partner for recovery, strength, and long-term health goals.
- Pure Ingredients, Maximum Results Unlike other brands, this whey nutrition protein powder contains no added sweeteners or artificial ingredients. Crafted to deliver clean, high-quality protein supplements, it’s perfect for anyone seeking reliable results without compromise and have already had gread feedback from our returning customers who have made the switch over to Millidose.
- Ideal for Gifting or Building a Hamper Millidose is a thoughtful gift for fitness enthusiasts or anyone on a health journey. Include it in a protein hamper, or try our other flavors like vanilla protein powder and chocolate protein powder. Don’t forget to check out Millibites, our high-protein snacks!
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Whey Protein Concentrate Powder - Unflavoured | Grass Fed | Packaging May Vary (1Kg)
Peak Supps
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Peak Supps
Whey Protein Concentrate Powder - Unflavoured | Grass Fed | Packaging May Vary (1Kg)
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Why We Love It
- Superior production supports muscle gain.
- Enriched with essential amino acids.
- Promotes quick muscle recovery.
Main Highlights
- Produced with superior Sunflower Lecithin by one of Europe's leading whey protein suppliers.
- Naturally high in BCAA's & Glutamine with an excellent amino acid profile.
- High biological value protein, supports muscle gain and recovery.
- Naturally high in BCAA's & Glutamine with an excellent amino acid profile.
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Bulk Pure Whey Protein Isolate, Protein Powder Shake, Unflavoured, 500 g, Packaging May Vary
Bulk
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Bulk
Bulk Pure Whey Protein Isolate, Protein Powder Shake, Unflavoured, 500 g, Packaging May Vary
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Why We Love It
- Premium form aids macro management.
- Low in sugar and fat.
- Supports gains with high protein.
Main Highlights
- Each serving provides 24–26g of ultra-filtered whey protein isolate, delivering a high-quality source of protein to support muscle growth, repair, and lean muscle maintenance.
- Formulated with minimal sugars and carbohydrates, this whey isolate is ideal for those following low-carb or high-protein diets, helping you fuel your body efficiently without unnecessary additives.
- This protein powder is suitable for vegetarian diets, providing a clean, pure protein source to fit your lifestyle.
- Designed to dissolve quickly and smoothly in water or milk, available in a range of delicious flavours that make it easy and enjoyable to meet your daily protein needs.
- Whether it’s pre-workout, post-workout, or a convenient protein boost during the day, Bulk Pure Whey Isolate 90 supports your nutrition goals and active lifestyle.
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