10 Best Healthy Protein Bars No Sugar in The UK

Last updated on 04/07/2025

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FitnesSHOCK High Protein Bars - High 20G Protein Content Protein Bar With No Added Sugar, Low Calorie Low Carb High Fibre, Banana Split Flavour 12Pcs 60G

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Why We Love It

Delicious banana split flavor.
High in protein for energy.
Guilt-free and healthy snack.

Main Highlights

UNIQUE TASTE: Enjoy the creamy, sweet taste of a classic banana split in every bite. This protein bar combines the rich flavor of ripe bananas with high-quality ingredients to provide you with a delicious and nutrient-dense snack on the go.
RICH IN PROTEIN: Each bar provides a robust 20 grams of protein, supporting muscle recovery and growth. Whether you're an athlete or lead an active lifestyle, this protein-packed snack keeps you fueled throughout the day.
TOP NUTRITIONAL VALUE: Low in carbs with only 4 grams and 5 grams of fat, this bar offers a guilt-free indulgence. It's palm oil-free and non-GMO, making it a nutritious and satisfying option for your daily snacking needs.
NO ADDED SUGAR: Enjoy dessert every day without the guilt! Our bars contain no added sugar or flour, making them ideal for those following a low-sugar diet. Satisfy your sweet tooth while sticking to your healthy eating goals.
EAT ON-THE-GO: Non-glazed and easy to carry, this bar is perfect for life on the move. Slip it into your bag for a quick, crumb-free snack wherever you are—whether you're at the gym, at work, or on a hike.

FitnesSHOCK Protein Bar 12pcs no added sugar, 20% protein, low carb (3,5g), rich in fibre, low calorie, 12-pack fitness chocolate bars mix box, palm oil free 12x50g

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Why We Love It

Delightful variety pack flavors.
Exceptionally low sugar content.
Rich in fiber, protein.

Main Highlights

FitnesSHOCK variety pack offers you 12 bars in 3 EXQUISITE FLAVORS: Coconut, Hazelnut-Caramel and Peanut-Salted Caramel. You will surely find your favorite taste!
ONLY 1G OF SUGAR - A treat without extra calories and harm to your figure. A much more conscious alternative to a conventional chocolate bar
LOW CARB <5g per bar - perfect nutritional balance: delicious aid for carbohydrate control
RICH IN FIBER and PROTEIN - makes you feel full quickly - A practical and healthy snack
PALM OIL-FREE, almost no saturated fat, gluten-free, non-GMO. No artificial flavors or preservatives

Barebells Soft Protein Bars | 16g protein Healthy Snacks, Protein Snacks for Breakfast, Sugar Free Chocolate, Low Carb – 12 x 55g (Caramel Choco)

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Why We Love It

Indulgent caramel and chocolate combo.
High protein, low calorie snack.
Promotes happy eating, healthy living.

Main Highlights

CARAMEL CHOCO - Boasting a soft chocolatey core and a layer of caramel, wrapped in a milk chocolate embrace.
HIGH IN PROTEIN - Protein bars from Barebells contain 16g of protein and just a few grams of sugar per serving which makes it the perfect low calorie snack.
PROTEIN SNACKS ON THE GO - Barebells is the ultimate choice for pre- and post-workout, as high protein snack at the office or for anyone who wants to satisfy their chocolate cravings.
WE BELIEVE IN HAPPY EATING AND HEALTHY LIVING - the Barebells protein bar is famous for its soft texture and amazing taste. Never compromising on flavor, Barebells protein bars are here to wow your taste buds.
PALM OIL-FREE AND NO ADDED SUGAR - Enjoy the reassurance that all our bars are crafted without palm oil and made without any added sugars

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

21% Off

Why We Love It

High protein, low sugar snack.
Triple-layered for diverse taste.
Informed Sport Programme certified.

Main Highlights

HIGH PROTEIN: Packed with protein, with over 20 g per bar
LOW SUGAR: Low in sugar, with just 1.7 g per bar
GUILT FREE TREAT: Each triple-layered bar consists of protein nougat, topped with caramel and coated in milk chocolate and peanuts
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

FitnesSHOCK High Protein Bars, 12g Protein, Low Carb, No Added Sugar, Low Calorie 138 Kcal, 5g collagen, Fiber-Rich, Lemon Chia Panacotta Flavor 12x40g

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Why We Love It

Unique, bright flavor combination.
High protein, low sugar.
Fills you up perfectly.

Main Highlights

UNIQUE TASTE: Soft, tender protein filling with lemon panacotta flavour and chia seeds in sugar-free white chocolate icing is a bright alternative to the usual flavours.
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 3.7g 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 138 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.

FitnesSHOCK Protein Brownie Dark Chocolate, No Added Sugar, 15%/7,5g Protein, 233kcal, Pre/Post Workout Snack - No Palm Oil, Filling dietary fibre, Soft Texture, 9x50g - Variety pack

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Why We Love It

Extremely delicious soft chocolate texture.
High protein, no added sugar.
Convenient individual packaging for portability.

Main Highlights

EXTREMELY DELICIOUS: Enjoy FitnesSHOCK's delicate and soft chocolate texture that doesn't crumble either
THE FINEST INGREDIENTS: Milk and Whey Protein Blend, Almond Flour, Oat Bran, Natural Vanilla
Contains a HIGHER AMOUNT OF PROTEIN and outperform popular conventional supermarket desserts like cupcakes, muffins, and soufflés
Contains NO ADDED SUGAR and provides FIBER that satisfies hunger, delivers energy for workouts and assists your weight management
Very convenient INDIVIDUAL PACKAGING - each brownie is wrapped in a separate package, making it easy to take along and eat on the go. Please note: The outer packaging showcase box may display a different flavor than the actual contents inside.

Huel Complete Nutrition Bar, 12 x 51g Bars, Peanut Caramel, High Protein Bar, Plant-Based Protein Bars, Low Sugar, High Fibre, High-Protein Snack with Vegan Chocolate, Under 200 Calories

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Why We Love It

Rich, indulgent vegan chocolate.
High-protein, guilt-free snack.
Certified V-label, low sugar.

Main Highlights

HIGH-PROTEIN COMPLETE NUTRITION BAR: Huel Complete Nutrition Bar is a satisfying snack combining indulgent vegan chocolate, smooth caramel, and balanced nutrition. Each bar delivers up to 14g of plant-based protein, 26 essential vitamins and minerals, and under 200 calories.
CHOCOLATE-COVERED, ON-THE-GO SNACK: Enjoy a delicious caramel and chocolate bar anytime, anywhere. Perfect for curbing hunger between meals, pre-gym fuel, or a post-workout boost—just grab and go.
PACKED WITH NUTRIENTS & LOW IN SUGAR: With high fibre, plant-based protein, and low sugar, this bar helps support energy, digestion, and muscle function, keeping you full and satisfied.
SCIENCE-BACKED HEALTH BENEFITS: Delivers over 170 research-backed health benefits per bar. Formulated with nutrients that support immunity, reduce tiredness and fatigue, contribute to energy metabolism, help maintain healthy hair, skin, and nails, and more.
100% VEGAN & NON-GMO: Plant-based and free from artificial flavours and colourings. Low in sugar and non-GMO, Huel Complete Nutrition Bar is a clean, nutritious snack designed to fuel your day.

Nakd Cocoa Delight Natural Fruit & Nut Bars - Vegan - Healthy Snack - Gluten Free - 35g x 48 bars

25% OffFree Shipping

Why We Love It

All natural, pure ingredients.
Gluten and wheat free.
No added sugar.

Main Highlights

ALL NATURAL – These healthy snack bars are made with 100% natural ingredients, just fruit and nuts smooshed together!
GLUTEN FREE – Nakd Cocoa Delight is a delicious wheat free and gluten free fruit and nut bar.
HEALTHY SNACK – One of your five a day, ideal for lunch boxes and on-the-go snacking.
VEGAN FRIENDLY – Nakd bars are suitable for vegans.
NO ADDED SUGAR – There is no added sugar or sticky syrups in our recipes. Remarkable!
Item display weight: 1680.0 grams

FULFIL Vitamin and Protein Bars (15 x 55 g Bars) — Chocolate Salted Caramel Flavour — 20 g High Protein, 9 Vitamins, Low Sugar

Why We Love It

High protein, low sugar snack.
Packed with 9 essential vitamins.
Indulgent yet nutritious flavor.

Main Highlights

HIGH PROTEIN and LOW SUGAR BARS: Each 55g bar contains 20g of protein, less than 3 grams of sugar and only 204 calories. Great for a tasty treat or a post workout refuel
9 VITAMINS: Each FULFIL bar contains 30 percent RDA for 9 essential vitamins to support you through everyday life
DELICIOUS and NUTRITIOUS: FULFIL bars are not your average protein bar. Our Chocolate Salted Caramel Flavour contains an indulgent milk chocolate coating surrounding a soft, silky salted caramel centre topped with a layer of crispy pieces
OUR PACKS CONTAIN 15 BARS: So you never run out of your favourite protein bar.
LIFE'S WONDERFUEL: We want FULFIL bars to fuel you on all of your everyday adventures, whether it’s to get you through your work day, hiking up a mountain, a workout, or a sofa snack we’ve got you covered

Nature Valley Protein Peanut & Chocolate Gluten Free Cereal Bars, 40 g (Pack of 26 )

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Why We Love It

Ideal for on-the-go snacks.
High in protein and fibre.
No artificial flavours or preservatives.

Main Highlights

Nature Valley Protein Cereal Bars contain 10g of protein and are high in fibre
Nature Valley Protein Cereal Bars are the perfect on the go gluten free snack for any time of day
Why not also try Nature Valley Crunchy Oats & Dark Chocolate Cereal Bars or Nature Valley Nut Butter Peanut Biscuits?
Packaging may vary

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Excellent

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We scanned 1607 products

We reviewed these offers relevant to the Healthy Protein Bars No Sugar 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 FitnesSHOCK, BAREBELLS, Grenade, Huel, Nakd, Fulfil, Nature Valley, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Healthy Protein Bars No Sugar in the market, we considered we took a deep dive into 8036 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 FitnesSHOCK High Protein Bars - High 20G Protein Content Protein Bar With No Added Sugar, Low Calorie Low Carb High Fibre, Banana Split Flavour 12Pcs 60G. We love many things about this product by FitnesSHOCK. What sets it apart from the competition is Delicious banana split flavor. , High in protein for energy. , Guilt-free and healthy snack. .
The best value product for most shoppers and where user satisfaction is continuously the highest is FitnesSHOCK Protein Bar 12pcs no added sugar, 20% protein, low carb (3,5g), rich in fibre, low calorie, 12-pack fitness chocolate bars mix box, palm oil free 12x50g by FitnesSHOCK based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Healthy Protein Bars No Sugar and the best cost-to-value ratio is Nakd Cocoa Delight Natural Fruit & Nut Bars - Vegan - Healthy Snack - Gluten Free - 35g x 48 barsat Nakd with a 25% discount.
Our list of the best Healthy Protein Bars No Sugar 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 Healthy Protein Bars No Sugar in The UK

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We scanned 1607 products

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