10 Best Lactose Free Whey Isolate Protein Powder in The UK
Last updated on 04/09/2025
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Best Choice
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Reflex Nutrition Isolate Pro - 83% Premium Protein from Whey Isolate Protein Powder - Fast Absorption, Low Lactose, Low Fat, Low Sugar Protein Shake - Muscle Gain (Vanilla, 1.8kg, 60 Servings)
Reflex
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Reflex
Reflex Nutrition Isolate Pro - 83% Premium Protein from Whey Isolate Protein Powder - Fast Absorption, Low Lactose, Low Fat, Low Sugar Protein Shake - Muscle Gain (Vanilla, 1.8kg, 60 Servings)
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Why We Love It
- High protein without extra calories.
- Optimal for muscle gain.
- Effortlessly blends into shakes.
Main Highlights
- Premium Protein Excellence: Reflex Isolate Pro is made from whey isolate stripped of most fats and carbs, ensuring high protein purity - Ideal for increasing protein intake without extra calories and suitable for those with lactose intolerance
- Optimal Nutritional Values: Each 30g scoop of whey protein isolate provides 25g of protein, Less than 0.5g of fat and Less than 0.5g of carbs - The ideal choice for those seeking muscle gain and lean mass maintenance with minimal calorie intake (103 kcal per serving)
- Effortless Mixing: This whey protein powder blends smoothly into water or milk for silky protein shakes and can be easily incorporated into various culinary creations, serving as a post workout muscle growth aid or a healthy protein snack
- Optimised for Rapid Recovery: Reflex grass fed whey protein powder is ultra-filtered for fast absorption, making it as a post workout protein snack - With whey protein isolate, it's the highest purity whey to maximise muscle growth
- Manufactured in an informed sport registered facility: Reflex Isolate Pro whey protein supplement is vegetarian-friendly, Halal-certified, free from hormones, and with no added sugars, artificial colours or soy protein - Contains soy derivatives
Value for Money
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LEGION Whey+ Chocolate WheyIsolate Protein Powder from Grass Fed Cows - Non-GMO, Lactose Free, Sugar Free, Natural Whey Protein Isolate 30 Servings
Legion
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Legion
LEGION Whey+ Chocolate WheyIsolate Protein Powder from Grass Fed Cows - Non-GMO, Lactose Free, Sugar Free, Natural Whey Protein Isolate 30 Servings
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Why We Love It
- Naturally sweetened and flavored.
- Gentle on the stomach.
- Tested for purity and potency.
Main Highlights
- Get our naturally sweetened and flavored whey isolate protein powder made with hormone-free Truly Grass Fed milk from Ireland that's gentle on the stomach, easy to digest, and doesn't cause bloating or discomfort.
- 22 grams of grass-fed protein per serving with 12 grams of essential amino acids, 5.5 grams of BCAAs, and no lactose or added sugars.
- 100% whey protein isolate with no artificial sweeteners, flavors, food dyes, fillers, or other unnecessary junk. While these types of chemicals may not be as dangerous as some people claim, studies suggest that regular consumption of them may indeed be harmful to our health.
- Clean whey protein powder and transparent label that shows exactly what’s in every serving of our protein powder isolate and what’s not (no proprietary blends or hidden ingredients).
- Tested for purity and potency in an ISO 17025 accredited third-party lab, and independently certified to contain no contaminants or banned substances by Labdoor. Every bag of our Whey+ protien powder is guaranteed to provide exactly what the label claims and nothing else.
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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
Optimum Nutrition
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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
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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
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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
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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
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BioTechUSA Iso Whey Zero | Premium Whey Protein Isolate | Grass-Fed | Enzyme-Free | Sugar- and Gluten-Free, 908 g, Vanilla
BioTechUSA
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BioTechUSA
BioTechUSA Iso Whey Zero | Premium Whey Protein Isolate | Grass-Fed | Enzyme-Free | Sugar- and Gluten-Free, 908 g, Vanilla
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Why We Love It
- Unique low-temperature protein production.
- High protein content boosts muscles.
- Safe for vegetarians and pregnant.
Main Highlights
- 🐄 SOURCED FROM GRASS-FED COWS' MILK: Our whey protein is sourced from the milk of grass-fed cows, ensuring a clean, sustainable, and premium protein. Grass-fed cows produce milk that’s naturally richer in essential nutrients, making it an optimal choice for those looking to support muscle growth and overall wellness.
- 🥛 LOW LACTOSE, SUGAR-FREE & CLEAN FORMULATION: Iso Whey Zero contains reduced lactose and no added sugars, offering a cleaner source of protein. It’s also gluten-free, palm oil-free, and preservative-free, making it a great option for those with dietary sensitivities or specific nutritional goals.
- 🏅 STATE-OF-THE-ART FILTRATION PROCESS: Iso Whey Zero undergoes a unique multi-step, low-heat filtration process that preserves the integrity of the protein while removing unwanted fats, sugars, and bacteria. This process delivers a highly purified protein powder that’s not only more effective but also easier to digest, promoting faster recovery and muscle development.
- 🧪 ENZYME-FREE TECHNOLOGY FOR PURITY: Unlike many other protein powders, we do not use enzyme treatment to reduce lactose content. Instead, our cutting-edge filtration technology naturally retains the protein’s purity, ensuring a cleaner, more natural product without the use of unnecessary chemicals or additives.
- 💪 NATIVE PROTEIN IN ITS PUREST FORM: By maintaining whey protein in its native, undenatured form, Iso Whey Zero provides maximum bioavailability and absorption. This means your body can more efficiently utilize the high-quality protein to build and repair muscles, while also supporting a controlled calorie intake, essential for achieving fitness goals.
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Applied Nutrition Beef XP - Clear Hydrolysed Protein Isolate, Fruit Juice Style, Dairy Free Beef Protein Powder, Lactose Free, Zero Sugar, Low Fat, 1.8kg - 60 Servings (Lemon & Mint)
Applied Nutrition
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Applied Nutrition
Applied Nutrition Beef XP - Clear Hydrolysed Protein Isolate, Fruit Juice Style, Dairy Free Beef Protein Powder, Lactose Free, Zero Sugar, Low Fat, 1.8kg - 60 Servings (Lemon & Mint)
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Why We Love It
- Dairy-free protein option available.
- High protein supports muscle growth.
- Delicious flavors for everyone.
Main Highlights
- DAIRY AND LACTOSE-FREE PROTEIN: Ideal for those who are lactose intolerant or avoid dairy, providing a clean, high-quality protein source for muscle growth and recovery.
- CONTRIBUTES TO THE GROWTH OF MUSCLES MASS: Beef protein specially formulated for its high protein content. With 27.7g of protein per serving, it assists the growth of muscle. Comprehensive amino acid profile provides all essential amino acids for healthy bodily functions.
- PERFECT MIXING AND AMAZING TASTE: Beef protein comes in 7 different amazing flavours to suit taste preferences. When added to milk or water, it mixes well for a smooth and delicious drink.
- ZERO SUGAR, LOW FAT: Perfect for low-carb and keto diets, this protein powder is free of sugar and low in fat, supporting lean muscle building without unwanted calories.
- HALAL CERTIFIED: This protein beef isolate has been produced in a manner that adheres to strict halal guidelines ensuring suitability for those following a halal diet while providing high-quality, clean beef protein isolate.
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Applied Nutrition ISO-XP Whey Protein Powder – 22g Protein, Low Fat, Low Carb Whey Isolate Protein Powder, Rich in Amino Acids, Grass-Fed, Soy Free, Halal Certified (1kg - 40 Servings) (Strawberry)
Applied Nutrition
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Applied Nutrition
Applied Nutrition ISO-XP Whey Protein Powder – 22g Protein, Low Fat, Low Carb Whey Isolate Protein Powder, Rich in Amino Acids, Grass-Fed, Soy Free, Halal Certified (1kg - 40 Servings) (Strawberry)
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Why We Love It
- High-quality protein source.
- Low in calories and sugar.
- Halal certified for inclusivity.
Main Highlights
- Purest Whey Protein: ISO-XP is an advanced whey isolate protein powder that offers 22g of high-quality protein per 25g serving and is packed with essential amino acids.
- Only 92 Calories per serving. Perfect for fitness enthusiasts, it’s low in fat, carbs, and sugar, helping maintain muscle mass without the extra calories.
- Grass-Fed Source and Soy-Free: Our whey protein isolate comes from grass-fed cows, ensuring you get a premium protein shake. Also ISO-XP uses sunflower lecithin as an emulsifier, making it a soy-free protein isolate.
- Halal Certified: ISO-XP whey protein isolate is Halal certified, making it accessible to a broader audience. Enjoy our all the delicious flavours, knowing you’re consuming whey protein powder that meets your dietary needs.
- Tested for Athletes: Every ingredient within this product is a carefully selected and monitored through our quality management system to bring you the highest level of assurance.
- Delicious Flavours to Suit Every Taste - Available in Choco Honeycomb, Choco Caramel, Choco Peanut, Vanilla, Strawberry, Banana, Cafe Latte, and more, offering great taste with premium nutrition.
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PINK SUN Whey Protein Isolate Powder Unflavoured 1kg (92% Protein) Soy Free Grass Fed Gluten Free No Additives Vegetarian Undenatured Non GM Unsweetened Natural Whey UK 1000g
PINK SUN
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PINK SUN
PINK SUN Whey Protein Isolate Powder Unflavoured 1kg (92% Protein) Soy Free Grass Fed Gluten Free No Additives Vegetarian Undenatured Non GM Unsweetened Natural Whey UK 1000g
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Why We Love It
- Premium quality ensures exceptional results.
- Suitable for many diets.
- Ultra-filtered for pure protein.
Main Highlights
- Premium quality, SOY FREE, undenatured whey protein isolate powder 1kg
- From grass-fed hormone-free cows' milk with 92% protein
- Ultra-filtered to remove carbohydrate, fat and lactose
- Unflavoured natural taste - no added sugar or artificial sweeteners
- Gluten free, suitable for vegetarian and wholefood diets
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Organic Whey Protein Powder (600g) - Grass Fed Unflavoured Organic Protein Powder by TheHealthyTree Company - Low Carb Natural Protein for Muscle Growth & Recovery
TheHealthyTree Company
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TheHealthyTree Company
Organic Whey Protein Powder (600g) - Grass Fed Unflavoured Organic Protein Powder by TheHealthyTree Company - Low Carb Natural Protein for Muscle Growth & Recovery
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Why We Love It
- Sourced from sustainable farming practices.
- Ideal for post-workout recovery.
- Promotes easy digestion.
Main Highlights
- GRASS FED WHEY PROTEIN POWDER - Our organic whey protein powder is sourced from grass-fed, pasture raised cows in Germany, to the highest European Soil Association standards (DA25404). This ensures you're getting the best possible fuel for your body, while supporting sustainable farming practices.
- UNFLAVOURED & NO ADDITIVES - Enjoy the natural, unflavoured creamy taste of our whey protein powder, which is perfect for mixing into your smoothies, shakes, and baking recipes. Unlike many alternatives, our whey is hormone free, gluten free, soy free, Non-GMO and has absolutely no sweeteners or added sugar - halle…MOO-jah.
- 80% PURE WHEY PROTEIN - Our organic protein powder contains a high concentration of naturally occurring amino acids and BCAAs. In addition to being a fantastic vegetarian protein source, it dissolves easily in water and is ideal for post-workout recovery and muscle growth.
- THE RIGHT WAY TO WHEY - Use our protein powder organic to make great tasting low carb keto baking recipes like flapjacks and pancakes. In the morning or after the gym, just mix 1 or 2 tablespoons into your shaker with water, milk or nut milk. If you’ve got more time, blend with frozen fruit to make a delicious smoothie that’s packed with vitamins.
- EASY DIGESTION - We’re proud to say that our whey passes through a leading ceramic microfiltration system to create the freshest, creamiest natural whey protein on the planet. Not only is it kinder to the environment, it dissolves well and is kind to your digestive system too, without the uncomfortable bloated feeling of some other protein powders.
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Vilgain Lactose Free Whey Protein - 1000 g - 75% Protein, Lactose Free, sweetened with stevia, Ultra-Filtered at Low temperatures (1000g, Blueberry)
Vilgain
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Vilgain
Vilgain Lactose Free Whey Protein - 1000 g - 75% Protein, Lactose Free, sweetened with stevia, Ultra-Filtered at Low temperatures (1000g, Blueberry)
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Why We Love It
- Easily digestible for everyone.
- Natural sweetness from stevia.
- Optimal macronutrient balance guaranteed.
Main Highlights
- Easily digestible, lactose-free
- Maximum utilisation for your body
- Natürliche Farbe und Geschmack
- Instead of sucralose, natural sweetener from stevia leaves
- Excellent macronutrient ratio without added sugar