10 Best Zero Carb Protein Powder in The UK

Last updated on 01/09/2025

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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.

The Bulk Protein Company

Serious Shredz 4kg – Diet Whey Protein Powder – Contains L-Carnitine L-Tartrate and Green Tea Extract – Supports Lean Muscle Growth, 133 Servings – The Bulk Protein Company (Salted Caramel)

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Why We Love It

Affordable, high-quality protein supplement.
Delicious, convenient meal replacement.
Low-carb, fiber-rich ingredients.

Main Highlights

✅ SERIOUS SHREDZ – Here at The Bulk Protein Company we're serious about value. We're serious about creating the UK's number 1, lean diet protein powder at a fair and affordable price
✅ PROTEIN & SERVINGS – 21g of high-quality protein in every scoop & a huge 133 Servings per 4kg tub!.
✅ INGREDIENTS – SOY Protein Isolate, Glutamine Peptides (WHEAT), Chicory insulin, Maltodextrin, MILK protein concentrate (MILK), Flavoring, Green Tea Extract, MCT Oil Powder, Salt, L-Carnitine, L-Tartrate, Sweetner (Sucrolose) | For Allergens please ingredients in CAPITALS. May contain MILK, EGG, GLUTEN, SOYA, NUTS and PEANUTS
✅ TASTE – Serious Shredz is delicious and makes for a tasty any time of the day meal replacement or diet friendly post workout recovery shake. If you're serious about training, Serious Shredz is for you
✅ PREP – For best results consume 1 serving (30g) one to three times per day. Simply add 1 rounded scoop (30g) to 250ml of cold water or skimmed milk, shake well and enjoy

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

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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.

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

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) (Vanilla)

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Why We Love It

Purest whey protein available.
Low calories per serving.
Grass-fed and soy-free.

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.

K GEN ketogenic enhancement

K-GEN Keto Collagen Shake Protein Powder Natural Vanilla Multi-Collagen Blend with Coconut MCT Oil, Vitamin C+B6, Stevia | UK Made for Diet, Fat Loss | Low Carb Zero Gluten & Sugar Free

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Why We Love It

Enhances Ketogenic diet effectively.
Composed of natural ingredients.
Zero sugar, gluten, artificial colours.

Main Highlights

✅ KETO USES: Snack, Meal, Pre/Post-Workout, Coffee, Smoothie or to add to a Food Product - A Ketogenic Formula of Collagen Proteins, Coconut Fats, Vitamins & Minerals. Made to Enhance a Ketogenic Diet.
✅ NATURAL INGREDIENTS: Hydrolysed Marine Collagen & Hydrolysed Bovine Collagen Protein, Coconut Oil MCT Oil Powder (C8/C10), Vitamin C, Vitamin B6 & Chromium
✅ PER SERVING: 25g Keto Dose with 14000mg Hydrolysed Collagen Peptides, 6900mg Coconut MCT Oil (high C8/10), Vitamin C, Vitamin B6 and Chromium Picolinate. Includes Plant Stevia Extracts.
✅ USED FOR: Ketogenic Diet, Intermittent Fasting, Low Carb, Biohacking, Paleo, Keto Lifestyle, Primal & LCHF
✅ WHY K-GEN? No Whey Protein, No Fillers, Made for Keto in the UK, Made to ISO9001, Nutritionist Developed, Real Food Ingredients, Amazing Tasting, Hot or Cold Drink, Zero Sugar, Zero Gluten, Zero Artificial Colours, Multi-Collagen Peptides, Types I-V

Applied Nutrition Diet Whey 1kg Bundle - Diet Whey High Protein Powder + 5 Sample Bundle + 750ml Steel Protein Shaker | Low Carb & Sugar, Weight Management Shake, 40 Servings (Vanilla)

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Why We Love It

High protein blend powers workouts.
Low carbs aid weight management.
Variety of delicious flavours.

Main Highlights

HIGH PROTEIN BLEND: Applied Nutrition’s Diet Whey Protein Powder combines CLA, L-Carnitine, Green Tea, Whey Protein Isolate and Whey Protein Concentrate. This creates a high protein blend to keep you going throughout the day and power up your workouts. On this bundle you will get your Diet Whey 1kg bag + 5 sample bundle + 750ml Steel Protein Shaker. Please note that the samples may vary.
LOW CARBS & SUGAR: Diet Whey is one of the most advanced weight management supplements on the market. Using Applied Nutrition’s weight loss protein powder to compliment a healthy diet and regular exercise simplifies the weight management process and helps your body to perform optimally.
CHOICE OF DELICIOUS FLAVOURS: Protein powder does not have to be tasteless. Applied Nutrition offer 4 different scrumptious flavours to choose from: banana milkshake, chocolate dessert, strawberry milkshake or vanilla ice cream. Order a few different flavours to add variety into your routine.
EASY TO PREPARE: Whey protein powder is incredibly easy to prepare. This is ideal if you are on the go or in a hurry in the mornings. Simply add a scoop to cold water and shake to mix well.
TESTED FOR ATHLETES: Applied Nutrition’s protein supplements are tested in their in-house research and development facility. This ensures that they meet the exacting testing standards for professional athletes, giving you the highest level of assurance in this protein powder.

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.

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

18% OffFree Shipping

Why We Love It

High protein for muscle growth.
Low carb, minimal sugar.
Versatile usage for goals.

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 Ideal 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.

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

8.7

Excellent

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We scanned 738 products

We reviewed these offers relevant to the Zero Carb 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 The Bulk Protein Company, Optimum Nutrition, Applied Nutrition, K GEN ketogenic enhancement, Warrior, Isopure, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Zero Carb Protein Powder in the market, we considered we took a deep dive into 3691 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 SERIOUS Protein – Protein Powder – 4kg – Low Carb – Supports Lean Muscle Growth – Recovery Supplement - The Bulk Protein Company - 133 Servings (Banana). We love many things about this product by The Bulk Protein Company. What sets it apart from the competition is Promotes muscle growth and recovery, Tastes great with various recipes, Long lasting value pack.
The best value product for most shoppers and where user satisfaction is continuously the highest is Serious Shredz 4kg – Diet Whey Protein Powder – Contains L-Carnitine L-Tartrate and Green Tea Extract – Supports Lean Muscle Growth, 133 Servings – The Bulk Protein Company (Salted Caramel) by The Bulk Protein Company based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Zero Carb Protein Powder and the best cost-to-value ratio is Serious Shredz 4kg – Diet Whey Protein Powder – Contains L-Carnitine L-Tartrate and Green Tea Extract – Supports Lean Muscle Growth, 133 Servings – The Bulk Protein Company (Salted Caramel)at The Bulk Protein Company with a 31% discount.
Our list of the best Zero Carb 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 Zero Carb Protein Powder in The UK

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We scanned 738 products

We concluded that: