10 Best Low Calorie Protein Breakfast Bars in The UK
Last updated on 05/09/2025
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Best Choice
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Barebells Protein Bars – Healthy Snacks, Protein Snacks for Breakfast, Sugar Free Chocolate, Low Carb – 12 x 55g (Hazelnut & Nougat)
BAREBELLS
BAREBELLS
Barebells Protein Bars – Healthy Snacks, Protein Snacks for Breakfast, Sugar Free Chocolate, Low Carb – 12 x 55g (Hazelnut & Nougat)
Why We Love It
- Satisfies chocolate cravings healthily.
- Protein-packed and low sugar.
- Palm oil-free indulgence.
Main Highlights
- HAZELNUT NOUGAT - Silky milk chocolate, a gooey nougat center, and a crown of hazelnut pieces combine for a harmonious treat. Keep calm and savor Barebells!
- 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
Value for Money
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FULFIL Vitamin and Protein Bars (15 x 55 g Bars) — Chocolate Salted Caramel Flavour — 20 g High Protein, 9 Vitamins, Low Sugar
Fulfil
Fulfil
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
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Grenade High Protein, Low Sugar Bar - White Chocolate Cookie, 12 x 60 g (Packaging May Vary)
Grenade
26% Off
Grenade
Grenade High Protein, Low Sugar Bar - White Chocolate Cookie, 12 x 60 g (Packaging May Vary)
26% Off
Why We Love It
- Packed with protein goodness.
- Sugar levels kept low.
- Indulgent, yet healthy snack.
Main Highlights
- HIGH PROTEIN: Packed with protein, with over 22 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 white caramel and coated in white chocolate and cookie 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
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Mars - Salted Caramel Low Sugar Chocolate Hi Protein Bars | 12 x 57g Pack, Only 2g of Sugar per bar, High Protein Energy Snack, 18g Protein
Mars
22% OffFree Shipping
Mars
Mars - Salted Caramel Low Sugar Chocolate Hi Protein Bars | 12 x 57g Pack, Only 2g of Sugar per bar, High Protein Energy Snack, 18g Protein
22% OffFree Shipping
Why We Love It
- Delicious Mars chocolate flavor.
- Low sugar, high protein.
- Perfect post workout snack.
Main Highlights
- Introducing our new Mars Salted Caramel low sugar protein bar which combines the unmistakable delicious taste of Mars chocolate with a soft layer of salted caramel.
- This sweet and salty addition to our low sugar range contains 18g of protein per bar and just 2g sugar.
- Only 196 calories 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.
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Misfits Vegan Protein Bars, Cookie Dough - Updated Recipe | Low Sugar & Carb, High Fibre Snacks | Pack of 15
Misfits
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Misfits
Misfits Vegan Protein Bars, Cookie Dough - Updated Recipe | Low Sugar & Carb, High Fibre Snacks | Pack of 15
Free Shipping
Why We Love It
- Indulgent triple-layered chocolate-coated bars.
- High in plant-based protein.
- Less than 1g of sugar.
Main Highlights
- HEALTHIER CHOCOLATE SNACK: A chewy & fudgy sweet vanilla cookie dough flavoured 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
- UPDATED SOFTER RECIPE: Our doughiest ever bars made with our updated recipe, for a more soft, gooey & indulgent experience; you get a 10% bigger bar too
- 15 G PROTEIN PER BAR: Our plant-based bars pack 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
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Warrior Crunch - High Protein Bars - 20g Protein Each Bar - Low Carb, Low Sugar Snack - 12 Pack x 64g (Peanut Butter Cup)
Warrior
3% OffFree Shipping
Warrior
Warrior Crunch - High Protein Bars - 20g Protein Each Bar - Low Carb, Low Sugar Snack - 12 Pack x 64g (Peanut Butter Cup)
3% OffFree Shipping
Why We Love It
- Muscle-building high protein content.
- Optimum for keto diet.
- Amazing tasting chocolate snack.
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
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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
Free Shipping
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)
Free Shipping
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!
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Warrior Raw Protein Bars – 12 x 75g Oat Bar Flapjacks – High Fibre, Low Sugar – Ideal Meal Replacement or Healthy Nutrition Energy Snacks – HFSS/GMP Certified – UK Made (Variety Box)
Warrior
Free Shipping
Warrior
Warrior Raw Protein Bars – 12 x 75g Oat Bar Flapjacks – High Fibre, Low Sugar – Ideal Meal Replacement or Healthy Nutrition Energy Snacks – HFSS/GMP Certified – UK Made (Variety Box)
Free Shipping
Why We Love It
- Packed with 20g protein.
- Low sugar, high fibre.
- Incredible taste satisfaction.
Main Highlights
- HUGE 20 GRAMS OF PROTEIN PER BAR - That's more than 3 whole eggs Our bars are packed with high-quality milk protein to help muscles rebuild and recover after training and to help you meet your daily protein intake.
- LOW IN SUGAR, HIGH IN FIBRE - With only 3.5g sugar per bar, these are some of the lowest sugar protein chewy granola bars ever released Also high in fibre to help control blood sugar levels.
- USE PRE OR POST WORKOUT - Eat pre-workout for an energy boost or post-workout to help aid recovery. Ideal for cutting or bulking when counting your macros.
- GREAT TASTE - Chewy granola oat bar that can be eaten as a filling snack to help keep you satisfied until your next meal and curb cravings for high-sugar snacks.
- PACK OF 12 x PROTEIN BARS - Save money with this multipack of 12 high-protein bars. Store at home to eat as and when needed. Can be used as part of a healthy diet to help manage weight gain.
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Perkier Variety Box,18 bars, 6 Flavours, Vegan, Gluten Free, Protein, High Fibre, Lower Sugar Snack, Natural Ingredients, Lower Calorie, Healthy, No Palm Oil, Nut Bar, Carbon Neutral
Perkier
Free Shipping
Perkier
Perkier Variety Box,18 bars, 6 Flavours, Vegan, Gluten Free, Protein, High Fibre, Lower Sugar Snack, Natural Ingredients, Lower Calorie, Healthy, No Palm Oil, Nut Bar, Carbon Neutral
Free Shipping
Why We Love It
- All natural vegan snack bars.
- High protein, high fibre content.
- Sustainable and ethically produced.
Main Highlights
- 6 DELICIOUS FLAVOURS – 18 Multipack of 3 x Salted Caramel Dark Chocolate, 3 x Peanut, 3 x Madagascan Vanilla Dark Chocolate, 3 x Cocoa & Cashew, 3 x Peanut Dark Chocolate & 3 x Cranberry
- ALL NATURAL INGREDIENTS - Tasty vegan bars with no artificial preservatives, sweeteners, colours, flavours and lower sugar
- PROTEIN & HIGH FIBRE SNACK - Healthy breakfast bars make a great alternative to biscuits and chocolate. Suitable for on-the-go, post-workout, lunchboxes or guilt-free morning or afternoon snacks
- GLUTEN FREE AND VEGAN - All our bars are vegan, vegetarian, gluten free and low calorie
- SUPPORTS GUT HEALTH - Every bar contains at least 25% of your daily recommended fibre
- CHEWY FRUIT AND NUT BAR – These low calorie crunchy and chewy cereal bars with slow-release energy, are a great healthy snack for adults and kids
- SUSTAINABLE & ETHICAL – Plant based, carbon neutral, no palm oil, B-Corp and recyclable packaging. Perkier is a “Buy Women Built” company
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NICKS Protein Bar Mix Box, Keto Snack Bars 4g Net Carbs, 15g Protein, 5g Collagen No Added Sugar Gluten Free Low Carb Snacks (9x50g)
N!CK'S
Free Shipping
N!CK'S
NICKS Protein Bar Mix Box, Keto Snack Bars 4g Net Carbs, 15g Protein, 5g Collagen No Added Sugar Gluten Free Low Carb Snacks (9x50g)
Free Shipping
Why We Love It
- Flavors indulge every sweet tooth.
- Great protein source, low carbs.
- Gluten-free, stabilizes blood sugar.
Main Highlights
- DELICIOUS Keto milk chocolate protein bar in 4 different flavor variations, in total 9 bars in each variety box
- 30% HIGH QUALITY COMPLETE PROTEIN from whey and milk plus additional collagen peptides
- LOW IMPACT CARBS with less then 4g Net carbs and 190-214 calories per bar
- GLUTEN FREE & WITHOUT PALM OIL as wheat and gluten spikes your blood sugar levels
- KETO PROTEIN SNACK and treat which can help you overwin your sugar cravings in a more healthy and guilt-free indulgence