10 Best Low Carb Protein Powder in The UK

Last updated on 31/08/2025

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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 (Strawberry)

27% OffFree Shipping

Why We Love It

Great value for diet protein.
Protein-loaded with minimal carbs.
Delicious high-fiber shake.

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 – Contains L-Carnitine, L-Tartrate, and Green Tea extract! An incredible 70% protein, with ultra-low carbs, sugars and high in fibre!
✅ 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.

The Bulk Protein Company

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

24% 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.

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

23% 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.

Warrior Whey Protein Powder – Up to 36g* of Protein Per Shake – Low Sugar, and Low Carbs – GMP Certified (Double Chocolate, 2kg)

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Why We Love It

High protein, low carbs.
Promotes muscle growth quickly.
Delicious and versatile flavors.

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.

Optimum Nutrition ON Gold Standard 100% Isolate Pure Whey Protein, Naturally Occurring BCAAs and Glutamine, Pre and Post Workout, Vanilla Flavour, 31 Servings, 930 g

20% OffFree Shipping

Why We Love It

High in quality whey protein.
Support muscle growth and maintenance.
Low in sugar and fat.

Main Highlights

Gold Standard whey protein powder contains 25g (83 percent) of high quality 100 percent 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 and 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

PhD Nutrition Diet Whey Low Calorie Protein Powder, Low Carb, High Protein Lean Matrix, Vanilla Crème Diet Whey Protein Powder, High Protein, 62 Servings Per 2 kg Bag [Packaging May Vary]

8% OffFree Shipping

Why We Love It

Optimizes muscle-building and fat loss.
Promotes extended protein absorption.
Supports environmental sustainability.

Main Highlights

INFORMED PROTEIN Certified: Independently verified by Informed Protein for accurate protein content and quality. Trusted by athletes and tested to the highest standards for peace of mind
HIGH PROTEIN, Low Calorie: Now with 20g of high-quality protein per serving to support muscle maintenance in a calorie deficit. Only 125 calories and less than 5g of carbs per serving – ideal for lean muscle goals
FAT-LOSS SUPPORT Blend: Contains CLA, L-carnitine, green tea extract and flaxseed – active ingredients to support fat metabolism and maintain muscle
SATISFYING & EASY to MIX: Smooth texture, easy to shake, and satisfying taste. Helps curb hunger between meals and keeps you feeling fuller for longer throughout the day
SUSTAINABLE PACKAGING: Comes in 100% recyclable packaging – a smart choice for both your fitness goals and the environment

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.

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.

MyProtein Impact Whey Protein Powder – Vanilla Flavour– 1kg, 22g of Protein per Serving, Supports Muscle Building, Recovery & Lean Muscle Maintenance - 33 Servings

4% OffFree Shipping

Why We Love It

Great protein to calorie ratio.
Quality assured by Labdoor.
Incredible flavor variety.

Main Highlights

High-Quality Protein Source: Delivers 23g of premium protein per serving, helping to fuel your muscles and support your fitness goals with each shake.
Low-Calorie & Nutrient-Rich: Only 114 calories per serving, with just 1.9g of fat and 1.8g of carbs, making it a perfect choice for those who want to boost their protein intake without excess calories.
Rich in Essential Amino Acids: Includes essential amino acids and BCAAs, crucial for muscle recovery and growth, providing the nutrients your body needs to repair and build muscle.
Wide Variety of Flavours: Over 40 delicious flavours to choose from, including popular favourites like Chocolate Brownie, Cookies & Cream, and Peach Tea, ensuring you never get bored of your protein shake.
Informed Choice Certified: Backed by Informed Choice certification, giving you confidence that this product is regularly tested and free from banned substances, meeting global sports nutrition quality standards.

SCI-MX Diet Whey Protein Powder + Vitamins & Green Tea, CLA & L-Carnitine - Chocolate • Low Sugar • 22g Protein + 110 Calories per Serving • 800g

Why We Love It

Supports healthy weight loss.
Boosts energy and vitality.
Aids normal energy metabolism.

Main Highlights

⚡ A CALORIE FRIENDLY PROTEIN POWDER WITH CLA, GREEN TEA & L-CARNITINE. A diet targeted lean protein shake formulated with added vitamins and minerals for health benefits. These diet shakes have the ideal balance of protein, fat and carbs for those on a calorie restricted diet and a healthy exercise regime. This combination not only fuels your muscles but also promotes your body's fat-burning potential. A guilt-free way to curb your hunger and keep you on track.
🏋️‍♂️ BENEFITS: This low sugar, diet protein powder has 22g protein per serving, to aid lean muscle development and recovery whilst promoting fat loss. We've fortified our shake with essential vitamins and minerals and a unique blend of vitamins, minerals and active ingredients CLA, L-Carnitine, and Green Tea Extract to support overall health and your fitness journey. Packed with 22g protein per serving and only 110 calories, a great way to increase protein intake without excess calories.
🍫 HOW & WHEN TO USE: Add 1 x level scoop (30g) with 200ml of cold water. Shake for 10 seconds in our shaker bottle. Settle for 30 seconds & enjoy. Recommended no more than 3 x 30g servings per day. Do not exceed the stated daily intake. Designed with calorie deficit in mind, our shake won't derail your weight loss goals. Suitable for Vegetarians. Produced in a facility that also handles cereals containing gluten. Allergens include MILK, SOYA.
🧡 POWERING EVERY GOAL: Whether you want to build muscle, bulk, reduce body fat or peak your performance, our core focus is delicious, fitness-focused nutrition in the most fun and indulgent flavours. Our products are made to complement all types of training and performance goals – whether you’re a casual gym goer, an athlete or sportsperson, you can reap the benefits of our low calorie protein blend.
⭐ WHY SCI-MX: Our goal is to help nurture, support, and inspire the sportsperson in all of us. From recovery to competition training, there’s a SCI-MX product to help you achieve your goal. From high-quality protein powders, pre-workout and post-workout blends like creatine monohydrate to high-protein snacks such as flapjack bars, we've got you covered. Our no-nonsense approach to sports nutrition supplements guarantees you’ll always receive premium quality, great value products.

8.7

Excellent

We scanned 1949 products

We reviewed these offers relevant to the Low 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, Warrior, PhD, Bulk, Myprotein, SCI-MX, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Low Carb Protein Powder in the market, we considered we took a deep dive into 9746 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 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 (Strawberry). We love many things about this product by The Bulk Protein Company. What sets it apart from the competition is Great value for diet protein, Protein-loaded with minimal carbs, Delicious high-fiber shake.
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 Low 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 (Strawberry)at The Bulk Protein Company with a 27% discount.
Our list of the best Low 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 Low Carb Protein Powder in The UK

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We scanned 1949 products

We concluded that: