10 Best Low Calorie Protein Breakfast Bars in The UK

Last updated on 03/05/2025
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1
9.8
Exceptional
Save 12%
Huel Complete Nutrition Bar, 12 x 51g Bars, Dark Chocolate Raspberry, High Protein Bar, Plant-Based Protein Bars, Low Sugar, High Fibre, High-Protein Snack with Vegan Chocolate, Under 200 Calories
Huel
Huel Complete Nutrition Bar, 12 x 51g Bars, Dark Chocolate Raspberry, 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
  • Indulgent yet incredibly healthy.
  • Perfect on-the-go snack.
  • Low sugar, high protein.
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.
9.8
Exceptional
Save 12%
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Best Value
2
9.7
Exceptional
Barebells Protein Bars – Healthy Snacks, Protein Snacks for Breakfast, Sugar Free Chocolate, Low Carb – 12 x 55g (Salty Peanut)
BAREBELLS
Barebells Protein Bars – Healthy Snacks, Protein Snacks for Breakfast, Sugar Free Chocolate, Low Carb – 12 x 55g (Salty Peanut)
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Why We Love It
  • Divine combination of flavors.
  • Perfect low-calorie snack.
  • No added sugars.
Main Highlights
  • SALTY PEANUT - Velvety milk chocolate paired with crunchy, golden peanuts – a divine combination!
  • HIGH IN PROTEIN - Protein bars from Barebells contain 20g 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
9.7
Exceptional
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3
9.6
Superb
PhD Nutrition Smart Protein Bar Low Calorie, Nutritional Protein Bars/Protein Snacks, High Protein Low Sugar, Chocolate Brownie Flavour, 20g of Protein, 64g Bar (12 Pack)
PhD
PhD Nutrition Smart Protein Bar Low Calorie, Nutritional Protein Bars/Protein Snacks, High Protein Low Sugar, Chocolate Brownie Flavour, 20g of Protein, 64g Bar (12 Pack)
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Why We Love It
  • Convenient, tasty, high-protein snack.
  • Guilt-free chocolate indulgence.
  • Aids weight loss seamlessly.
Main Highlights
  • Convenient and Tasty Protein Snack: PHD Smart Protein Bar is designed for on-the-go convenience. It features a soft whey protein core, caramel and protein crispies for a satisfying crunchy texture.
  • Guilt-Free Snacking: Each bar is topped with a smooth chocolate coating, ensuring guilt-free snacking while keeping your dietary macros in check. GMO-free and Palm Oil Free
  • Nutritional Bars: These bars deliver 20g of high-quality whey protein and less than 3g of sugar per serving, available in various flavors like Birthday Cake and White Chocolate Blondie.
  • Weight Loss Aid: Ideal for pre-workout snacking or post-workout recovery, these bars are designed to provide a protein boost when needed, aiding in weight loss through a calorie deficit.
  • Versatile and Suitable for All: Suitable for both men and women; Smart bars also serve as versatile toppings for homemade recipes, making them a great addition to a lean lifestyle.
9.6
Superb
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4
9.5
Superb
Keto Keto Bars 12 x 50g Keto Snacks Weight Loss | Keto Diet, Sugar Free Snack, Meal Replacement Bar | Healthy Snacks, Low Carb Food | Low Calorie, Vegan Food, Breakfast Bar (Coconut Cashew)
Keto Keto
Keto Keto Bars 12 x 50g Keto Snacks Weight Loss | Keto Diet, Sugar Free Snack, Meal Replacement Bar | Healthy Snacks, Low Carb Food | Low Calorie, Vegan Food, Breakfast Bar (Coconut Cashew)
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Why We Love It
  • Tasty, healthy ketogenic snack.
  • 100% Ketogenically approved vegan bars.
  • No sugar spike ensured.
Main Highlights
  • Delicious Vegan Treats - After 3 years of development, Keto Keto have created the ultimate tasty, healthy snack for those on a fat loss, pure keto or atkins diet.
  • Truly Keto Bar - All of our vegan products have achieved 100% Ketogenic scores, verified by Ketone Meter Testing - Throw the keto cookbook out, we have done the hard work for you. We have multiple flavours which include sugar free chocolate making our bars the ultimate keto snack.
  • No Sugar Spike - Unlike most protein bars, Keto Keto bars are pure and contain no ingredients which spike blood sugar, making them truly ketogenic and a great diabetic food. They are also both dairy free and vegan friendly.
  • Two Delicious Flavours - Truly tasty keto food is hard to come by. That's why all of our keto snacks and treats are made with taste as a priority. Simply put, our customers LOVE our bars, and we are certain that you will too.
  • Sugar Free Energy Bar - Energy Bars typically provide lots of carbohydrates. Whether you are on an atkins diet or a keto diet, our bars priovide you with the good fats you need to maintain your goals. Ditch the keto diet pills and grab our tasty bars!
9.5
Superb
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5
9.3
Superb
FitnesSHOCK High Protein Bars, 12g Protein, Low Carb, No Added Sugar, Low Calorie 138 Kcal, 5g collagen, Fiber-Rich, Lemon Chia Panacotta Flavor 12x40g
FitnesSHOCK
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.
9.3
Superb
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6
9.2
Superb
Snickers - White Chocolate Low Sugar Protein Bars | 12 x 57g Pack, Only 2g of Sugar per Bar, Hi Protein Energy Snack, 20g Protein
Snickers
Snickers - White Chocolate Low Sugar Protein Bars | 12 x 57g Pack, Only 2g of Sugar per Bar, Hi Protein Energy Snack, 20g Protein
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Why We Love It
  • Epic taste with high protein.
  • Uncompromised Snickers flavor.
  • Great for post-workout snacking.
Main Highlights
  • The epic taste of Snickers White with 20g of protein and only 2g sugar? Now that’s satisfying!
  • Snickers White Hi Protein Low Sugar boasts all the caramel, nougat, and peanut flavours you know and love from the iconic Snickers bar, covered in a delicious chocolatey coating.
  • Only 218 kcals per bar - Not suitable for vegetarians
  • Perfect to carry you between meals, or as a great post workout snack boost.
  • One box contains 12 individually wrapped bars.
9.2
Superb
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7
9.0
Superb
Misfits Vegan Protein Bars - Updated Recipe | Low Sugar & Carb, High Fibre Snacks | Variety Pack of 12 (4 Flavours)
Misfits
Misfits Vegan Protein Bars - Updated Recipe | Low Sugar & Carb, High Fibre Snacks | Variety Pack of 12 (4 Flavours)
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Why We Love It
  • Indulgent yet healthy snack.
  • Plant-based protein packed.
  • Low sugar, high fibre.
Main Highlights
  • HEALTHIER CHOCOLATE SNACK: A chewy & fudgy centre, topped with a layer of indulgent caramel & coated with smooth vegan chocolate & high protein crispy pieces, for a satisfying crunch; ideal on-the-go or office snacks
  • 14-15 G PROTEIN PER BAR: Our plant-based bars pack 14-15 g of vegan protein per bar; we use a blend of pea & soy protein for a deliciously soft texture & taste
  • LOW SUGAR BARS: These vegan snacks are high in fibre, yet low in sugar, with less than 1 g of sugar per bar; a low carb bar with just 190 calories, for post-gym fuel or breakfast without the sugar crash
  • GUILT-FREE INDULGENCE: Our satisfying, triple-layered treats are an ideal chocolate snack with all the nutritional benefits of a protein bar & zero compromise on taste; great for chocolate lovers who want to cut back on dairy & sugar
  • VARIETY MULTIPACK: Each mixed box contains 12 of our most popular candy bars; 4 flavours (may vary), including Cookie Butter, Caramel Fudge, Brownie Batter & Peanut Butter Fudge
9.0
Superb
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8
8.9
Excellent
FULFIL Vitamin and Protein Bars (15 x 55 g Bars) — Chocolate Salted Caramel Flavour — 20 g High Protein, 9 Vitamins, Low Sugar
Fulfil
FULFIL Vitamin and Protein Bars (15 x 55 g Bars) — Chocolate Salted Caramel Flavour — 20 g High Protein, 9 Vitamins, Low Sugar
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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
8.9
Excellent
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9
8.7
Excellent
Yubi Mix Variety Box 12 Pack - Protein Bars - 99 Calories, High Protein, High Fibre, Low Sugar, Gluten Free and Dairy Free - Healthy Snacks/Nutrition Bar - Chocolate Bars - 420g
Yubi Bar
Yubi Mix Variety Box 12 Pack - Protein Bars - 99 Calories, High Protein, High Fibre, Low Sugar, Gluten Free and Dairy Free - Healthy Snacks/Nutrition Bar - Chocolate Bars - 420g
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Why We Love It
  • Tastes like a chocolate bar.
  • Only 99 calories per serving.
  • Vegan and gluten-free.
Main Highlights
  • 🌱 PROOF IS IN THE TASTING – We have spent years developing a protein bar which tastes just like a chocolate bar. Find out for yourself what all the fuss is about.
  • 🍬 LOW SUGAR, 99 CALORIES - We take pride in offering products that are both low in sugar and low in calories, allowing you to enjoy a healthier option without sacrificing flavour.
  • 🌾 GLUTEN & DAIRY FREE - Crafted in a gluten and dairy free facility, YuBi Bars are made for everyone.
  • 😍 DELICIOUS FLAVOUR – With four delicious flavours to chose from, you will be sure to find your favourite in no time.
  • 💚 VEGAN, RAINFOREST ALLIANCE CHOCOLATE - Manufactured in a vegan facility, YuBi Bars are enrobed in rich Rainforest Alliance Chocolate, ensuring a delightful and eco-conscious treat for all chocolate enthusiasts.
  • 🌸 SUITABLE FOR MULTIPLE DIETARY REQUIREMENTS - All our bars are suitable for individuals following vegan, diabetic and coeliac diets, offering a delicious and inclusive option for a variety of dietary preferences and restrictions.
  • 🌍 COMMITMENT TO SUSTAINABILITY - Made in the UK with 100% plant-based ingredients and packaged responsibly in recyclable FSC cardboard packaging, we are always looking for innovative ways to improve our carbon footprint.
8.7
Excellent
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10
8.7
Excellent
Yubi Variety Box 12 Pack - Protein Bars - 99 Calories, High Protein, High Fibre, Low Sugar, Gluten Free and Dairy Free - Healthy Snacks/Nutrition Bar - Chocolate Bars - 420g
Yubi Bar
Yubi Variety Box 12 Pack - Protein Bars - 99 Calories, High Protein, High Fibre, Low Sugar, Gluten Free and Dairy Free - Healthy Snacks/Nutrition Bar - Chocolate Bars - 420g
Free Shipping
Why We Love It
  • Tastes just like chocolate.
  • Low in sugar.
  • Eco-conscious and vegan.
Main Highlights
  • 🌱 PROOF IS IN THE TASTING – We have spent years developing a protein bar which tastes just like a chocolate bar. Find out for yourself what all the fuss is about.
  • 🍬 LOW SUGAR, 99 CALORIES - We take pride in offering products that are both low in sugar and low in calories, allowing you to enjoy a healthier option without sacrificing flavour.
  • 🌾 GLUTEN & DAIRY FREE - Crafted in a gluten and dairy free facility, YuBi Bars are made for everyone.
  • 😍 DELICIOUS FLAVOUR – With four delicious flavours to chose from, you will be sure to find your favourite in no time.
  • 💚 VEGAN, RAINFOREST ALLIANCE CHOCOLATE - Manufactured in a vegan facility, YuBi Bars are enrobed in rich Rainforest Alliance Chocolate, ensuring a delightful and eco-conscious treat for all chocolate enthusiasts.
  • 🌸 SUITABLE FOR MULTIPLE DIETARY REQUIREMENTS - All our bars are suitable for individuals following vegan, diabetic and coeliac diets, offering a delicious and inclusive option for a variety of dietary preferences and restrictions.
  • 🌍 COMMITMENT TO SUSTAINABILITY - Made in the UK with 100% plant-based ingredients and packaged responsibly in recyclable FSC cardboard packaging, we are always looking for innovative ways to improve our carbon footprint.
8.7
Excellent
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