10 Best Low Carb Protein in The UK

Last updated on 12/08/2025

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

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Why We Love It

Supports daily protein needs.
Ideal for lean mass.
Tastes great, good value.

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

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.

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) (Chocolate)

21% OffFree Shipping

Why We Love It

High-quality protein, low calories.
Grass-fed, soy-free protein.
Halal certified, athlete approved.

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.

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

A first-class, award-winning protein shake for everyday training
Packed with at least 22 g protein and 5 g naturally occurring BCAA (branched chain amino acids) in each serving
Whey protein sourced from the milk of European, grass-fed cows
Low in sugar and low in fat, a winning protein shake for everyday training
Available in a range of delicious flavours, this is your perfect training partner

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

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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.

Warrior Crunch - High Protein Bars - 20g Protein Each Bar - Low Carb, Low Sugar Snack - 12 Pack x 64g (Variety Pack)

17% OffFree Shipping

Why We Love It

High protein for muscle recovery.
Ideal for Keto diet followers.
Maintains energy levels longer.

Main Highlights

20 GRAMS OF PROTEIN PER BAR – Each bar delivers a powerhouse of protein, more than three whole eggs Ideal for supporting muscle recovery and growth after intense workouts or sports activities
LOW CARB, KETO-FRIENDLY – With under 3g of net carbs per bar, these are an ideal choice for those following a Keto diet or managing carb intake for weight control
LOW SUGAR, SUSTAINED ENERGY – Each bar contains less than 3g of sugar, helping to stabilise blood sugar levels and provide lasting energy throughout the day
CHEWY CRISPY SNACK BAR – Enjoy the Ideal blend of crispy, crunchy pieces and a triple-layer chocolate coating for a satisfying high-protein snack that tastes indulgent
PACK OF 12 PROTEIN BARS – Includes 12 individually wrapped bars, making it easy to enjoy a protein boost after workouts or as part of your daily nutrition plan

FitnesSHOCK High Protein Bar Mix Box, 12g Protein, Low Carb, No Added Sugar, 5g collagen, Fiber-Rich, Low Calorie 140 Kcal, 12x40g

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Why We Love It

Four unique, delicious flavours.
High-protein, low-carb snack.
No added sugars, guilt-free.

Main Highlights

ALL IN ONE! FOUR unique flavours in one box: Blueberry Yoghurt, Bumble Coffee, Apple Pie-Cinnamon and Lemon Chia Pannacotta. You'll definitely find your favourite flavour! Our mixed box is a delicious way to cover your protein demand without compromising your diet.
HIGH PROTEIN CONTENT: 12g per bar, making it the perfect high-protein snack for pre or post-workout, ideal for athletes. 5G COLLAGEN - extra help for your skin, hair, joints and nails
OUTSTANDING NUTRITIONAL VALUE: Only about 3.5g of carbohydrates - truly low carb, rich in fiber with over 14g, meeting nearly half of your daily needs. Incredibly filling. A great snack for any time, providing the necessary energy throughout the day without overburdening.
EXTREMELY LOW IN CALORIES: With only app. 140 kcal per protein bar, it fits perfectly into any diet and appeals to those mindful of their calorie intake.
NO ADDED SUGAR: Our protein bars are free from added sugars, making them the perfect choice for anyone looking to maintain a low-sugar diet. A much more conscious replacement for a traditional chocolate bar.

Amazon Brand - Amfit Nutrition Whey Protein Powder, Vanilla Flavour, 33 Servings, 1 kg (Pack of 1)

9% OffFree Shipping

Why We Love It

Supports muscle maintenance and growth.
Environmentally friendly recyclable packaging.
Suitable for vegetarian diets.

Main Highlights

Vanilla Flavour 1kg
Protein contributes to the maintenance and growth of muscle mass.
Pack contains 33 servings
Suitable for a vegetarian diet.
Backed by science: All health and nutrition claims have been verified by the European Food Safety Authority - EFSA
Packaging is 100% recyclable

Grenade High Protein, Low Sugar Bar - Caramel Chaos, 12 x 60 g (Packaging May Vary)

16% Off

Why We Love It

Packed with 21g protein.
Sugar content only 1.5g.
Certified by Informed Sport Programme.

Main Highlights

HIGH PROTEIN: Packed with protein, with 21 g per bar
LOW SUGAR: Low in sugar, with just 1.5 g per bar
GUILT FREE TREAT: Each triple-layered bar consists of protein nougat, topped with caramel and coated in milk chocolate and crispies
INDULGENT ON THE GO SNACK: This indulgent low sugar snack is perfect for enjoying at any time of the day as a delicious snack or a post workout treat
INFORMED SPORT CERTIFIED: Certified with the Informed Sport Programme and therefore suitable for use by drug tested athletes and military personnel
INGREDIENT CHANGE: Packaging and ingredients may vary

Applied Nutrition Diet Whey - High Protein Powder Supplement, Low Carb & Sugar, for Weight Management with CLA, L Carnitine, Green Tea (450g - 18 Servings) (Salted Caramel)

13% OffFree Shipping

Why We Love It

High protein blend benefits workouts.
Low carbs aid weight management.
Tested for professional athletes.

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.
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.

8.7

Excellent

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We scanned 444 products

We reviewed these offers relevant to the Low Carb 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 The Bulk Protein Company, Optimum Nutrition, Applied Nutrition, Bulk, Warrior, FitnesSHOCK, Amfit Nutrition, Grenade, 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 in the market, we considered we took a deep dive into 2221 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 (Choc Peanut Butter). We love many things about this product by The Bulk Protein Company. What sets it apart from the competition is Supports daily protein needs. , Ideal for lean mass. , Tastes great, good value.
The best value product for most shoppers and where user satisfaction is continuously the highest is 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 by Optimum Nutrition based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Low Carb Protein and the best cost-to-value ratio is 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 Varyat Optimum Nutrition with a 25% discount.
Our list of the best Low Carb 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 Low Carb Protein in The UK

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We scanned 444 products

We concluded that: