10 Best Low Carb Whey 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.

PhD Nutrition Diet Whey Low Calorie Protein Powder, Low Carb, High Protein Lean Matrix, Salted Caramel Diet Whey Protein Powder, High Protein, 62 Servings Per 2 kg Bag [Packing May Vary]

8% OffFree Shipping

Why We Love It

Supports comprehensive fitness regimen.
Offers high-quality protein.
Promotes enhanced fat loss.

Main Highlights

Comprehensive Fitness Support: PhD Diet Whey is a perfect blend of proteins and fat-burning ingredients; ideal for building and maintaining lean muscle whilst keeping you satiated for longer
High-Quality Protein Content: 16g of protein per serving from diverse sources offer a drip feed effect of essential amino acids; Macro-friendly with less than 3g carbs and 100 calories per serving.
Enhanced Fat Loss: Contains flaxseeds, CLA, L-carnitine, and green tea extract; ideal for those striving to keep body fat low while building or preserving lean muscle mass
Eco-friendly packaging: Opting for PhD Diet Whey is a step towards environmental sustainability as it comes in 100% recyclable packaging
Versatile: The PhD Whey Protein Powder can be consumed at any time and is particularly favored in smoothies; helps curb hunger cravings as it offers feelings of satiety in between meals.

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.

Perfect morning coffee boost.
Low calorie guilt-free indulgence.
Delicious taste with premium ingredients.

Main Highlights

𝗠𝗢𝗥𝗘 𝗙𝗥𝗢𝗠 𝗬𝗢𝗨𝗥 𝗠𝗢𝗥𝗡𝗜𝗡𝗚 – Each serving of Protein Iced Coffee contains 80mg caffeine, the same as your favourite flat white, and 19g of protein- the ideal addition to your daily ritual! Shake well with water or milk and pour over ice for an easy solution that fits into busy lives.
𝗟𝗢𝗪 𝗖𝗔𝗟𝗢𝗥𝗜𝗘𝗦 – With 𝗼𝗻𝗹𝘆 𝟵𝟳 𝗸𝗰𝗮𝗹 𝗽𝗲𝗿 𝘀𝗲𝗿𝘃𝗶𝗻𝗴, this powder is the perfect protein boost to be added to a full and varied diet. This guilt free treat makes your body feel as good as it tastes.
𝗦𝗨𝗣𝗘𝗥𝗜𝗢𝗥 𝗡𝗨𝗧𝗥𝗜𝗧𝗜𝗢𝗡𝗔𝗟 𝗣𝗥𝗢𝗙𝗜𝗟𝗘 – With 19g of protein and less than 1g of sugar per serving, Free Soul have recreated a classic coffee shop favourite, but with added benefits!
𝗜𝗡𝗖𝗥𝗘𝗗𝗜𝗕𝗟𝗘 𝗧𝗔𝗦𝗧𝗘 𝗔𝗡𝗗 𝗧𝗘𝗫𝗧𝗨𝗥𝗘 – Formulated with Arabica coffee and indulgent cocoa, enjoy a rich and delicious protein coffee. Made with premium ingredients, this velvety smooth barista-inspired protein shake is sure to upgrade your mornings.
𝗙𝗨𝗟𝗟 𝗔𝗠𝗜𝗡𝗢 𝗔𝗖𝗜𝗗 𝗣𝗥𝗢𝗙𝗜𝗟𝗘 – This dual protein blend combines whey protein powder and pea protein isolate, optimising the amino acid profile of the blend. For all the benefits of plant based powder, and the delicious texture of your favourite latté.
𝗡𝗢 𝗔𝗗𝗗𝗘𝗗 𝗦𝗨𝗚𝗔𝗥 – Containing 95% less sugar than your regular iced frappé, Free Soul’s café frappé provides all the health benefits without compromising on taste. This low calorie protein powder is ideal for those looking for healthy protein shakes, without a crash.
𝗘𝗮𝗰𝗵 𝗣𝗼𝘂𝗰𝗵 𝗰𝗼𝗻𝘁𝗮𝗶𝗻𝘀 𝟮𝟬 𝘀𝗲𝗿𝘃𝗶𝗻𝗴𝘀 | 𝟮𝟱𝗴 𝗽𝗲𝗿 𝘀𝗲𝗿𝘃𝗶𝗻𝗴

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.

Bulk Pure Whey Protein Powder Shake, Unflavoured, 1 kg, Packaging May Vary

Free Shipping

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.

PhD Nutrition Diet Whey Lean Protein Powder | Belgian Chocolate Whey Protein Powder | 1kg Bag [ Packaging May Vary ]

11% OffFree Shipping

Why We Love It

Supports comprehensive fitness and diet.
Promotes lean muscle maintenance.
Eco-friendly, recyclable packaging.

Main Highlights

Comprehensive Fitness Support: PhD Diet Whey is a perfect blend of proteins and fat-burning ingredients; ideal for building and maintaining lean muscle whilst keeping you satiated for longer
Enhanced Fat Loss: Contains flaxseeds, CLA, L-carnitine, and green tea extract; ideal for those striving to keep body fat low while building or preserving lean muscle mass
Eco-friendly packaging: Opting for PhD Diet Whey is a step towards environmental sustainability as it comes in 100% recyclable packaging
Versatile: The PhD Whey Protein Powder can be consumed at any time and is particularly favored in smoothies; helps curb hunger cravings as it offers feelings of satiety in between meals.

PBN Whey Protein Powder 1kg Chocolate

5% OffFree Shipping

Why We Love It

Supports muscle growth and maintenance.
Ideal for vegetarian diet.
Eco-friendly, recyclable packaging.

Main Highlights

PBN Whey Protein Powder Chocolate 1kg Pouch
Each serving contains 23.0g of Protein
Premium Quality ingredients
Suitable for Vegetarians
Each Pack contains 33 Servings

8.9

Excellent

Save 5%

We scanned 1949 products

We reviewed these offers relevant to the Low Carb Whey 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, PhD, Warrior, Free Soul, Myprotein, Bulk, Amfit Nutrition, 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 Whey 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 Whey 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 Whey 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 Whey Protein Powder in The UK

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Optimum Nutrition Gold Standard 100% Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and BCAA Amino Acids, Double Rich Chocolate Flavour, 15 Servings, 465 g

MyProtein Impact Whey Protein Powder – Chocolate Smooth Flavour – 1kg, 23g of Protein per Serving, Supports Muscle Building, Recovery & Lean Muscle Maintenance – 33 Servings

We scanned 1949 products

We concluded that: