Best Nutrition Bars of 2025

Last updated on 18/10/2025
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1
Grenade High Protein, Low Sugar Bar - Chocolate Chip Cookie Dough, 12 x 60 g (Packaging May Vary)
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Grenade High Protein, Low Sugar Bar - Chocolate Chip Cookie Dough, 12 x 60 g (Packaging May Vary)
Grenade
26% OffFree Shipping
Why we love it
  • High protein, low sugar content.
  • Indulgent layered flavor experience.
  • Certified for athlete consumption.
Main Highlights
  • HIGH PROTEIN: Packed with protein, with over 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 chocolate chips
  • 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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9.7
Exceptional
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9.7
Exceptional
Grenade
Grenade High Protein, Low Sugar Bar - Chocolate Chip Cookie Dough, 12 x 60 g (Packaging May Vary)
26% OffFree Shipping
Why we love it
  • High protein, low sugar content.
  • Indulgent layered flavor experience.
  • Certified for athlete consumption.
Main Highlights
  • HIGH PROTEIN: Packed with protein, with over 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 chocolate chips
  • 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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Value for Money
2
CLIF Bar Energy Bars/Nutritional Protein Bar, Source of Plant Based Protein, Crunchy Peanut Butter, 12 x 68g
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CLIF Bar Energy Bars/Nutritional Protein Bar, Source of Plant Based Protein, Crunchy Peanut Butter, 12 x 68g
CLIF Bar
4% OffFree Shipping
Why we love it
  • Tasty protein-packed energy booster.
  • Unique crunchy, smooth blend.
  • Diverse delicious flavor options.
Main Highlights
  • The "Ultimate Energy Bar" made with a mix of plant-based ingredients, carbohydrates, protein, fat and vitamin B13
  • Made with wholesome ingredients like nuts, dried fruits, rolled oats and rainforest alliance certified cocoa
  • Offers a strong energy Boost wrapped in great Crunchy Peanut Butter flavour
  • Ideal for all sports (football, hiking, climbing, running) and outdoor activities
  • Available in different flavours
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9.7
Exceptional
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9.7
Exceptional
CLIF Bar
CLIF Bar Energy Bars/Nutritional Protein Bar, Source of Plant Based Protein, Crunchy Peanut Butter, 12 x 68g
4% OffFree Shipping
Why we love it
  • Tasty protein-packed energy booster.
  • Unique crunchy, smooth blend.
  • Diverse delicious flavor options.
Main Highlights
  • The "Ultimate Energy Bar" made with a mix of plant-based ingredients, carbohydrates, protein, fat and vitamin B13
  • Made with wholesome ingredients like nuts, dried fruits, rolled oats and rainforest alliance certified cocoa
  • Offers a strong energy Boost wrapped in great Crunchy Peanut Butter flavour
  • Ideal for all sports (football, hiking, climbing, running) and outdoor activities
  • Available in different flavours
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3
Optimum Nutrition Marshmallow Protein Bar, 10 x 65 g
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Optimum Nutrition Marshmallow Protein Bar, 10 x 65 g
Optimum Nutrition
23% OffFree Shipping
Why we love it
  • Unique texture, great taste.
  • Supports nutritional goals.
  • Versatile workout snack.
Main Highlights
  • Experience the unique texture and great taste of Optimum Nutrition's protein bars to help support your nutritional goals
  • ON protein bars are versatile protein snacks packed with 20 g of protein, helping you daily to stay on top of your fitness goals
  • Sports nutrition protein bars with no added sugar* are great-tasting snack alternatives designed for active people and professional athletes
  • Enjoy the crunch of Chocolate Brownie and Marshmallow Crunch bars, or indulge in the Nutty Chocolate Caramel, bursting with peanuts and raisins
  • Protein snacks suitable for vegetarians, to be enjoyed on the go, as a post-workout and pre-workout snack, for both men and women
  • *Contain naturally occurring sugars
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9.6
Superb
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9.6
Superb
Optimum Nutrition
Optimum Nutrition Marshmallow Protein Bar, 10 x 65 g
23% OffFree Shipping
Why we love it
  • Unique texture, great taste.
  • Supports nutritional goals.
  • Versatile workout snack.
Main Highlights
  • Experience the unique texture and great taste of Optimum Nutrition's protein bars to help support your nutritional goals
  • ON protein bars are versatile protein snacks packed with 20 g of protein, helping you daily to stay on top of your fitness goals
  • Sports nutrition protein bars with no added sugar* are great-tasting snack alternatives designed for active people and professional athletes
  • Enjoy the crunch of Chocolate Brownie and Marshmallow Crunch bars, or indulge in the Nutty Chocolate Caramel, bursting with peanuts and raisins
  • Protein snacks suitable for vegetarians, to be enjoyed on the go, as a post-workout and pre-workout snack, for both men and women
  • *Contain naturally occurring sugars
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4
Snickers - High Protein Bars | Low Sugar, Only 2g of Sugar per bar, Hazelnut and Milk Chocolate Flavour, 12 x 57g Box, 20g Protein
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Snickers - High Protein Bars | Low Sugar, Only 2g of Sugar per bar, Hazelnut and Milk Chocolate Flavour, 12 x 57g Box, 20g Protein
Snickers
15% OffFree Shipping
Why we love it
  • Iconic taste with protein boost.
  • Indulgent layers in each bar.
  • Perfect for on-the-go.
Main Highlights
  • Protein power: Craving Snickers? Now you can get the iconic taste you love with a protein boost! Our Snickers hazelnut and milk chocolate low sugar protein bars deliver 20g of protein, with only 2g sugar per bar.
  • Layers of indulgence: Each bar is packed with delicious hazelnut, crunchy peanuts, chewy caramel and coated in smooth milk chocolate.
  • Fuel your day: With only 221 calories per bar, they're perfect for a protein-powered energy snack between meals, a post-workout pick-me-up, or anytime you need an epic treat boost.
  • Conveniently sized: One box contains 12 bars, individually wrapped for on-the-go enjoyment. Now that’s satisfying!
  • Good to know: Not suitable for vegetarians. Product contains milk, soya, hazelnut and peanuts. May contain other nuts, egg and gluten.
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9.4
Superb
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9.4
Superb
Snickers
Snickers - High Protein Bars | Low Sugar, Only 2g of Sugar per bar, Hazelnut and Milk Chocolate Flavour, 12 x 57g Box, 20g Protein
15% OffFree Shipping
Why we love it
  • Iconic taste with protein boost.
  • Indulgent layers in each bar.
  • Perfect for on-the-go.
Main Highlights
  • Protein power: Craving Snickers? Now you can get the iconic taste you love with a protein boost! Our Snickers hazelnut and milk chocolate low sugar protein bars deliver 20g of protein, with only 2g sugar per bar.
  • Layers of indulgence: Each bar is packed with delicious hazelnut, crunchy peanuts, chewy caramel and coated in smooth milk chocolate.
  • Fuel your day: With only 221 calories per bar, they're perfect for a protein-powered energy snack between meals, a post-workout pick-me-up, or anytime you need an epic treat boost.
  • Conveniently sized: One box contains 12 bars, individually wrapped for on-the-go enjoyment. Now that’s satisfying!
  • Good to know: Not suitable for vegetarians. Product contains milk, soya, hazelnut and peanuts. May contain other nuts, egg and gluten.
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5
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
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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
33% 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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9.2
Superb
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9.2
Superb
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
33% 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.
Show More
6
Snickers - Milk 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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Snickers - Milk Chocolate Low Sugar Protein Bars | 12 x 57g Pack, Only 2g of Sugar per bar, Hi Protein Energy Snack, 20g Protein
Snickers
33% OffFree Shipping
Why we love it
  • Snickers flavor with more protein.
  • Less sugar, still satisfyingly delicious.
  • Ideal post workout snack.
Main Highlights
  • The epic taste of Snickers with 20g of protein and only 2g sugar? Now that’s satisfying!
  • Snickers 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 217 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.
Show More
9.0
Superb
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9.0
Superb
Snickers
Snickers - Milk Chocolate Low Sugar Protein Bars | 12 x 57g Pack, Only 2g of Sugar per bar, Hi Protein Energy Snack, 20g Protein
33% OffFree Shipping
Why we love it
  • Snickers flavor with more protein.
  • Less sugar, still satisfyingly delicious.
  • Ideal post workout snack.
Main Highlights
  • The epic taste of Snickers with 20g of protein and only 2g sugar? Now that’s satisfying!
  • Snickers 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 217 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.
Show More
7
Powerbar Protein Plus Low Sugar Multiflavour Box 16x35g – Protein bars with fibre
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Powerbar Protein Plus Low Sugar Multiflavour Box 16x35g – Protein bars with fibre
Power Bar
Free Shipping
Why we love it
  • Delicious flavours for everyone.
  • Low sugar, high protein.
  • Quality made in Germany.
Main Highlights
  • NOW IN THE PROTEIN MIXBOX for you 16 bars, 4 each flavour Choc Brownie, Choc Espresso, Vanilla and Yoghurt Rasperry
  • DELICIOUS REWARD after sport or simply in between, the Low Sugar bar offers a crunchy chocolate coating and an airy consistency
  • CONSIDERABLE ALTERNATIVE TO CHOCOLATE BAR with only a maximum of 1.6 g sugar in a 35 gram bar
  • DEVELOPED IN GERMANY, the low-sugar protein bar stands for genuine Powerbar quality
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8.8
Excellent
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8.8
Excellent
Power Bar
Powerbar Protein Plus Low Sugar Multiflavour Box 16x35g – Protein bars with fibre
Free Shipping
Why we love it
  • Delicious flavours for everyone.
  • Low sugar, high protein.
  • Quality made in Germany.
Main Highlights
  • NOW IN THE PROTEIN MIXBOX for you 16 bars, 4 each flavour Choc Brownie, Choc Espresso, Vanilla and Yoghurt Rasperry
  • DELICIOUS REWARD after sport or simply in between, the Low Sugar bar offers a crunchy chocolate coating and an airy consistency
  • CONSIDERABLE ALTERNATIVE TO CHOCOLATE BAR with only a maximum of 1.6 g sugar in a 35 gram bar
  • DEVELOPED IN GERMANY, the low-sugar protein bar stands for genuine Powerbar quality
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8
Bounty - Hi Protein Bars | 12 x 52g Pack, High Protein Energy Snack with Milk Chocolate and Coconut, 18g of Protein per bar
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Bounty - Hi Protein Bars | 12 x 52g Pack, High Protein Energy Snack with Milk Chocolate and Coconut, 18g of Protein per bar
Bounty
15% OffFree Shipping
Why we love it
  • High protein, delicious chocolate-coconut combo.
  • Individually wrapped for convenience.
  • Low calorie, guilt-free indulgence.
Main Highlights
  • Are you bored of poor tasting protein bars? Are you ready to turn up the taste with Bounty?
  • You can now enjoy the delicious combination of milk chocolate and coconut all with 18g protein
  • Every case contains 12 individually wrapped bars perfect for a post workout snack
  • Each bar comes in two pieces, just like your favourite Bounty chocolate, smothered in desiccated coconut
  • Only 207 kcals per bar - Not suitable for vegetarians
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8.7
Excellent
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8.7
Excellent
Bounty
Bounty - Hi Protein Bars | 12 x 52g Pack, High Protein Energy Snack with Milk Chocolate and Coconut, 18g of Protein per bar
15% OffFree Shipping
Why we love it
  • High protein, delicious chocolate-coconut combo.
  • Individually wrapped for convenience.
  • Low calorie, guilt-free indulgence.
Main Highlights
  • Are you bored of poor tasting protein bars? Are you ready to turn up the taste with Bounty?
  • You can now enjoy the delicious combination of milk chocolate and coconut all with 18g protein
  • Every case contains 12 individually wrapped bars perfect for a post workout snack
  • Each bar comes in two pieces, just like your favourite Bounty chocolate, smothered in desiccated coconut
  • Only 207 kcals per bar - Not suitable for vegetarians
Show More
9
Huel Complete Nutrition Bar, 12 x 55g Bars, Dark Chocolate Raspberry, High Protein Bar, Plant-Based Protein Bars, Low Sugar, High Fibre, High-Protein Snack with Vegan Chocolate, Under 210 Calories
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Huel Complete Nutrition Bar, 12 x 55g Bars, Dark Chocolate Raspberry, High Protein Bar, Plant-Based Protein Bars, Low Sugar, High Fibre, High-Protein Snack with Vegan Chocolate, Under 210 Calories
Huel
Why we love it
  • High-protein, satisfying snack.
  • Convenient, on-the-go indulgence.
  • Nutritious and low in 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 15g of plant-based protein and 26 essential vitamins and minerals.
  • 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.
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8.7
Excellent
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8.7
Excellent
Huel
Huel Complete Nutrition Bar, 12 x 55g Bars, Dark Chocolate Raspberry, High Protein Bar, Plant-Based Protein Bars, Low Sugar, High Fibre, High-Protein Snack with Vegan Chocolate, Under 210 Calories
Why we love it
  • High-protein, satisfying snack.
  • Convenient, on-the-go indulgence.
  • Nutritious and low in 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 15g of plant-based protein and 26 essential vitamins and minerals.
  • 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.
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10
Nature Valley Protein Peanut & Chocolate Gluten Free Cereal Bars, 40 g (Pack of 26 )
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Nature Valley Protein Peanut & Chocolate Gluten Free Cereal Bars, 40 g (Pack of 26 )
Nature Valley
8% OffFree Shipping
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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8.7
Excellent
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8.7
Excellent
Nature Valley
Nature Valley Protein Peanut & Chocolate Gluten Free Cereal Bars, 40 g (Pack of 26 )
8% OffFree Shipping
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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We scanned 308 products

We reviewed these offers relevant to the Nutrition Bars 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 Grenade, CLIF Bar, Optimum Nutrition, Snickers, Mars, Power Bar, Bounty, Huel, 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 Nutrition Bars in the market, we considered we took a deep dive into 1541 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: