10 Best Isopure Protein in The UK

Last updated on 15/08/2025

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Optimum Nutrition Gold Standard Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and Amino Acids, French Vanilla Crème, 76 Servings, 2.28kg, Packaging May Vary

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Why We Love It

Best-selling globally trusted protein powder.
Promotes muscle gain and recovery.
Various sizes and delectable 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

Dymatize ISO 100 Hydrolyzed Gourmet Chocolate 932g - Whey Protein Hydrolysat + Isolat Pulver

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Why We Love It

Promotes lean and powerful physique.
Effortless to digest due to enzymatic hydrolysis.
Suitable for vegetarians, gluten-free.

Main Highlights

THE TOP-QUALITY RECIPE of our whey isolate protein powder delivers 25 g of the highest-quality protein per serving with BCAAs and L-leucine, making it both gluten free and suitable for vegetarians
HYDROLYSIS breaks the whey protein isolate into smaller amino acid chains, which makes it exceptionally quick to absorb and the perfect choice before or after training
THE FAT AND SUGAR-FREE protein powder contains less than 116 calories per serving (mixed with water), making it perfect for athletes who are optimising both their protein and calorie intakes
ACCORDING TO INFORMED CHOICE, every substance in the iso whey protein powder is of the highest standard, so athletes can rest easy knowing their product is top quality, especially during competitions
WINNER OF the isolate of the year award from 2013 to 2017, our ISO 100 premium protein powder meets the highest quality standards and is the perfect protein supplement before and after training

Kinetica Sports Whey Protein Powder - Vanilla Flavour | 23g Protein/Serve, 76 Servings/2.27Kg Pack |Gluten Free Supplement | Optimum for Muscle Growth & Recovery | Mixes Well with Water, Milk & Shakes

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Why We Love It

Unrivalled strawberry flavour and texture.
Grass-fed whey protein included.
Complies with WADA standards.

Main Highlights

Premium Protein Powder for Optimal Nutrition: Indulge in the rich, smooth Vanilla flavour of Kinetica Sport’s whey protein powder. With 23g of high-quality protein per serving, our grass-fed whey and isolate blend supports your overall health and performance but especially when it comes to lean muscle retention, repair and growth. Available in a selection of delicious flavours to suit every taste.
Health Benefits for Lean Muscle & Recovery: At just 118 kcal per serving, Kinetica’ Sports protein powder helps to build and maintain lean muscle. With 23g delicious, high quality Protein per serving, Kinetica Sports Whey is the ideal suypplement whether you're looking to add a convenient source of protein to your diet, managing energy intake for weight loss, or looking to support lean muscle retention, repair and growth.
Serving Size & Packaging Details: Each 1kg pack provides 33 servings of Kinetica Sports whey protein powder, delivering 23g of protein per 30g scoop. Simply mix with water, milk, or a shake, and enjoy up to 3 servings daily. Perfect for your fitness journey.
Easy to Use for Maximum Results: For an effortless protein shake, mix 1 scoop (30g) with 170-200ml of water or milk. Stir or shake until smooth and creamy. Add to smoothies or recipes for an easy boost of protein. Kinetica Sports fits your active lifestyle.
Certified Quality, Safe for Athletes: Kinetica Sport’s whey protein is batch-tested under the Informed-Sport program, ensuring it meets WADA standards for quality and safety. Gluten-free and with no added sugar, it’s ideal for those seeking clean, high-quality supplements for muscle building, weight loss, and optimum nutrition.

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

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

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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

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

Isopure Vanilla Whey Protein Isolate Powder, High in Protein with 25 g per Serve, Low in Sugar, No Artificial Flavours or Sweeteners, Made with Only 5 Ingredients, 450 g

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Why We Love It

Simple, clean ingredient list.
High protein boost per serving.
Versatile for various recipes.

Main Highlights

MADE WITH INGREDIENTS YOU NEED, NOTHING YOU DON'T: Containing only five ingredients, including 100% pure whey protein isolate because when it comes to looking and feeling good, LESS IS MORE
25 G HIGH PROTEIN PER SERVING: Delivers 25g protein from 100% Whey Protein Isolate to complement your daily routine and support your protein intake
LOW SUGAR AND LOW FAT: Isopure Vanilla Whey Isolate delivers high-quality protein with minimal sugar and fat - an effortless way to boost your intake without unecessary extras
NO ARTIFICIAL FLAVOURS OR SWEETENERS*: Enjoy a smooth vanilla protein powder with simple ingredients and no artificial flavours, just great-tasting nutrition
EASY TO SHAKE, BLEND, OR BAKE: Mix with dairy or plant-based milk, blend into smoothies, or use in baking to make protein brownies, protein pudding, and more; however you take it, Isopure Whey Protein Isolate fits effortlessly into your lifestyle; *Contains Steviol Glycosides from Stevia, with no artificial sweeteners

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.

Myprotein Clear Whey Isolate Protein Powder - Peach Tea - 488g - 20 Servings - Cool and Refreshing Whey Protein Shake Alternative - 20g Protein and 4,5g BCAA per Serving

29% OffFree Shipping

Why We Love It

Light and refreshing protein supplement.
Packed with 20g protein, BCAAs, glutamine.
Informed Choice certified quality.

Main Highlights

Light and refreshing. Ideal product in the protein supplements category for warmer weather due to the juice-like flavour and consistency - no milky taste or texture
Fruity flavours mean the product tastes great, but it also contains 20g of protein per serving, along with 4,5g BCAAs and 3g of glutamine; making this one of the most complete clear whey drinks around
Clear Whey Isolate is not just another protein shake. With high-quality hydrolysed whey protein isolate and a light and refreshing alternative — this is more like juice than a milky protein shake.
Clear Whey from Myprotein is Informed Choice certified. With Informed Choice, you can feel confidentthat ourClear Whey Isolateis manufactured to the highest standards.
With just 0.1g of fat, 0.3g of sugar, and less than 90 calories per shake, it’s the perfect way to stay hydrated throughout the day — without undoing all of your hard work.

Incredible taste and ultimate texture.
Superior nutritional profile offered.
Promotes optimum wellbeing daily.

Main Highlights

𝗡𝗘𝗪 & 𝗜𝗠𝗣𝗥𝗢𝗩𝗘𝗗 𝗙𝗢𝗥𝗠𝗨𝗟𝗔𝗧𝗜𝗢𝗡 – Packed with cutting-edge ingredients & nutritionist approved, our tried & tested blend, now elevated with 50% fewer carbohydrates per serving, a patented pea-protein source for improved bioavailability, a dual magnesium source for greater efficacy, and Himalayan Pink salt for the rich electrolyte benefits. Contains only 2mg of caffeine per serving alongside the Ginseng & Guarana. Gluten-free, Sucralose-Free & Third Party Tested for Heavy Metals!
𝗜𝗡𝗖𝗥𝗘𝗗𝗜𝗕𝗟𝗘 𝗧𝗔𝗦𝗧𝗘 & 𝗧𝗘𝗫𝗧𝗨𝗥𝗘 – Only the highest quality of ingredients to ensure an incredible taste profile and ultimate smooth texture. Mix with water or nut milk for a creamy & lean plant based protein shake. No chalky or gritty texture.
𝗦𝗨𝗣𝗘𝗥𝗜𝗢𝗥 𝗡𝗨𝗧𝗥𝗜𝗧𝗜𝗢𝗡𝗔𝗟 𝗣𝗥𝗢𝗙𝗜𝗟𝗘 – 20g of protein per 30g serving and all flavours are gluten free, soya free, added sugar free, dairy free, and non-GMO. Our Pea Protein has been infused with White Hemp Protein for an effective amino acid profile for the highest quality of plant-based protein possible.
𝗡𝗨𝗧𝗥𝗜𝗧𝗜𝗢𝗡𝗜𝗦𝗧 𝗙𝗢𝗥𝗠𝗨𝗟𝗔𝗧𝗘𝗗 𝗙𝗢𝗥 𝗪𝗢𝗠𝗘𝗡 – Blended with Peruvian Maca, the entire B Vitamin Complex for hair, skin, and nails; high levels of Iron, Magnesium, Calcium, and L-Carnitine for energy and bone density, and Flaxseed for Omega-3.
𝗢𝗣𝗧𝗜𝗠𝗨𝗠 𝗪𝗘𝗟𝗟𝗕𝗘𝗜𝗡𝗚 – 20g of plant protein per serving with an incredible macronutrient profile. Suitable for daily optimal wellbeing, even if not exercising – makes for a delicious breakfast or snack and curbs the dreaded sweet tooth! Also suitable for baking, protein pancakes, and smoothies.
𝗨𝗞 𝗣𝗥𝗢𝗗𝗨𝗖𝗘𝗗 & 𝗜𝗡𝗗𝗘𝗣𝗘𝗡𝗗𝗘𝗡𝗧𝗟𝗬 𝗧𝗘𝗦𝗧𝗘𝗗 – Our products have been developed and manufactured in the UK by leading nutritionists and independently tested to ensure you get only the highest quality, premium nutrients you need and no nasties you don't, all with a delicious taste!
𝗘𝗮𝗰𝗵 𝗯𝗮𝗴 𝗶𝘀 𝟲𝟬𝟬𝗴 | 𝟮𝟬𝗴 𝗼𝗳 𝗽𝗿𝗼𝘁𝗲𝗶𝗻 𝗽𝗲𝗿 𝟯𝟬𝗴 𝘀𝗲𝗿𝘃𝗶𝗻𝗴

8.7

Excellent

We scanned 1018 products

We reviewed these offers relevant to the Isopure Protein 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, Dymatize, Kinetica, VITAL PROTEINS, The Bulk Protein Company, Isopure, Myprotein, Free Soul, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Isopure Protein in the market, we considered we took a deep dive into 5091 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, French Vanilla Crème, 76 Servings, 2.28kg, Packaging May Vary. We love many things about this product by Optimum Nutrition. What sets it apart from the competition is Best-selling globally trusted protein powder, Promotes muscle gain and recovery, Various sizes and delectable flavors.
The best value product for most shoppers and where user satisfaction is continuously the highest is Dymatize ISO 100 Hydrolyzed Gourmet Chocolate 932g - Whey Protein Hydrolysat + Isolat Pulver by Dymatize based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Isopure Protein and the best cost-to-value ratio is Myprotein Clear Whey Isolate Protein Powder - Peach Tea - 488g - 20 Servings - Cool and Refreshing Whey Protein Shake Alternative - 20g Protein and 4,5g BCAA per Servingat Myprotein with a 29% discount.
Our list of the best Isopure Protein 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 Isopure Protein in The UK

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Purition - 100% Whey Protein Isolate, 93% Protein, Triple-Filtered, Unsweetened, Unflavoured, Soy Free, Low Fat, 23g Protein per Serving, 20 Servings - 500g

We scanned 1018 products

We concluded that: