10 Best Natural Protein Bars in The UK

Last updated on 28/05/2025

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The Protein Kitchen 100% Natural Protein Bars (12 x 55g) - No Added Sugar, Nutritional Protein Bars - Coconut & Almonds - Egg Whites from Free Range Chickens, Low Calorie Protein Bars, Snack Bars

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Why We Love It

No added sugar goodness.
Made from free-range eggs.
Low calorie, nutritious snack.

Main Highlights

✔️ TROPICAL FLAVOR – Indulge in the exotic combination of crunchy almonds, shredded coconut, and rich cocoa.
✔️ ALL NATURAL – Made with wholesome ingredients: dates, egg whites, almonds, and coconut, with no artificial sweeteners or preservatives.
✔️ HIGH-QUALITY PROTEIN – Egg whites provide a clean protein source to keep you full and fueled.
✔️ LIGHT YET SATISFYING – Offers a delicate crunch with a burst of tropical flavor in every bite.
✔️ VERSATILE SNACK – Great as a quick breakfast or a healthy snack during a busy day.

Nakd Cocoa Hazelnut Protein Bar - Vegan - Gluten Free - Healthy Snack, 45g (Pack of 36 bars)

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Why We Love It

Made from delicious natural ingredients.
Convenient for on-the-go snacking.
Promotes clean, simple eating.

Main Highlights

MADE WITH DELICIOUS NATURAL INGEDIENTS – a unique combination of fruit & nuts cold-pressed together without heat into tasty raw bars. Choose from a variety of popular flavours from Peanut Butter, Caramel to Cocoa Hazelnut so everyone can find it’s favourite!
PLANT-BASED PROTEIN – made with 7g plant-based protein coming from delicious peanuts. nākd. protein bar are nothing like your average granola, chocolate and breakfast bars. They have no artificial flavourings, colours or preservatives, we don’t’ add any sugar or honey but keep it real and simple, we just add natural ingredients. That’s it!
CLEAN, SIMPLE EATING – a snack bar containing 100% natural ingredients, no added sugar, is raw-cold pressed, has a source of fibre, vegan, gluten, dairy free, has no preservatives and is Kosher certified.
CONVENIENTLY WRAPPED AND GREAT FOR ON THE GO. Perfect snack for every time of the day – individually wrapped and perfectly sized for purses, backpacks, lunchboxes or just as your on-the-go protein snack. The bars can be broken off into 4 different pieces so it’s easy to share among friends.
PERFECT SNACK - individually wrapped & sized for purses, backpacks, lunchboxes or snacking on-the-go

Eat Natural Fruit & Nut Bars Protein Peanuts & Dark Chocolate 20 x 40g

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Why We Love It

All natural ingredients included.
Bursting with authentic taste.
Minimal fuss, maximal flavor.

Main Highlights

These bars contain all natural ingredients and provide you with plenty of protein and high fibre
MINIMAL FUSS - Nature’s own ingredients taste so good; they pretty much speak for themselves; using minimal fuss recipes, we bring together these delicious ingredients to create a myriad of flavours.
WE CHOOSE QUALITY - We only want to work with the best that nature has to offer so every ingredient is carefully selected, meaning you can experience the true feel and taste of nature in every bite
TASTES OF NATURE - Bursting with the authentic taste of nature, savour the mix of crunchy and soft, sweet, and salty, chewy, and smooth

Huel Complete Nutrition Bar, 12 x 51g Bars, Chocolate Fudge Brownie, 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 nutritious treat.
Perfect on-the-go snack.
Complete plant-based nutrition.

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.

Pulsin - Maple and Peanut Vegan Protein Bars - 18 x 50g - 14.1g Protein, 4.7g Fibre, 240 Kcal Per Serving - Gluten Free, Plant Based, Palm Oil Free and Dairy Free Snack Bar

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Why We Love It

High Protein and Healthy bars.
Tasty, Gluten-Free and Plant-Based.
Loaded with Nutritional Goodness.

Main Highlights

DELICIOUSLY ADDICTIVE MAPLE & PEANUT FLAVOUR: Our tasty Maple & Peanut Protein Bars are plant based and made with premium natural ingredients. Sweetened with xylitol (a naturally occurring sweetener found in many fruits and vegetables) and cold pressed for optimum nutritional value, each delicious protein bar contains 15g of plant based protein to keep you energised between meals and on the go!
HIGH PROTEIN & HEALTHY BARS: These delicious protein bars are formulated to give you the additional protein you desire either to amplify your work out routine or give you an energy boost to power you through your day! We also focus not only offering great tasting bars but also ensuring all ingredients are all natural and support a healthy lifestyle. It also contains our secret ingredient, pea protein, which is an ideal source of protein for vegetarians, vegans and athletes.
TASTY, PLANT BASED & GLUTEN FREE: Feel good nutrition is everything. Our award-winning range of tasty snack bars, protein powders, keto products and shakes are packed full of feel good nutritional goodness and balanced with the right amount of super ingredients to power you through the day and keep you fuller for longer. Delicious tasting products for consumption on the go, at school, gym, home or work. Perfect for any lifestyle and contributing to a good one!
PACKED FULL OF NUTRITIONAL GOODNESS: Made with premium ingredients selected for maximum nutritional benefit. Contains no refined sugars, artificial flavours or preservatives. Our entire Pulsin range is gluten free and suitable for vegetarians, with the majority being plant based too. We NEVER use artificial ingredients, preservatives or palm oil. Ideal for vegetarians, vegans, children, athletes or those who are watching what they eat.
OUR MISSION IS TO HELP YOU FEEL GOOD: Our entire range is gluten free and suitable for vegetarians, with the majority being plant based too. Each range is expertly crafted by our in-house team of nutrition and flavour boffins and goes through rigorous taste testing by the office team (it’s SUCH a chore, but someone’s got to do it!). We’re all really proud of the products we produce and pretty confident that every single one are top notch on taste as well as feel good factor.

IQBAR Brain and Body Plant Protein Bars - Chocolate Sea Salt - 12 Count, Low Carb, High Fiber, Gluten Free, Vegan Snacks - Low Sugar Keto Energy Bar

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Why We Love It

Perfect for active lifestyles.
Packed with brain-boosting nutrients.
Diet-friendly and satisfying.

Main Highlights

No. 1 Keto-Friendly Snack Bars for Brain & Body - IQBAR low carb bars are made using simple ingredients + 6 amazing brain nutrients. The keto snack bars are designed to keep you full, focused & energized throughout the day. Our gluten free protein bars also contain 12g plant-based protein, 1g sugar, 10g fiber & only 3g net carbs. These vegan keto bars are packed with nutrients & healthy fats to support your active & healthy lifestyle.
Diet-Friendly Protein Snacks - Our low calorie protein bars are diet-friendly. IQBAR high protein snacks are vegan, keto-friendly, dairy-free, soy-free, kosher & high in fiber. Our healthy snack bars are made using clean-label ingredients that are packed with compounds for both your brain and body. Moreover, our gluten free bars are developed with every diet restriction in mind.
6 Brain-Boosting Nutrients in Every Snack Bar - IQBAR clean vegan protein bars are packed with Lion’s Mane, MCTs, Omega 3, Flavonoids, Vitamin E & Choline. We use a science-backed formulation to provide you with healthy & tasty nutrition bars for your active & busy lifestyle.
Meal Replacement Bars You Can Enjoy On-the-Go - IQBAR plant based snacks are convenient meal replacement bars you can enjoy anytime, anywhere. Enjoy our low sugar protein bars right after an intense workout, in the middle of a hectic day at work, or while running errands. Our keto protein bars are definitely perfect for any time of the day.
Keto Friendly Snacks w/ Only 3g Net Carbs in Every Serving - Net carbs are carbs that are absorbed by the body, and our keto treats come with only 3g of net carbs in every serving. Each keto plant based protein bar is packed with 13g of total carbs, 10g of fiber, 12g of fats & 180 calories.

CLIF Bar ENERGY BAR Mixed Flavour Variety-Pack x 12 bars Nutritional Bar Source of Plant Based Protein 12 bars x 68g

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Why We Love It

Variety of flavors included.
Made with wholesome ingredients.
Source of protein and fiber.

Main Highlights

Multipack containing 12 Clif bars: 2 x Chocolate Chip, 2 x Crunchy Peanut Butter, 2 x Peanut Butter Banana, 2 x White Chocolate Macedamia, 2 x Blueberry Almond Crisp, 2 x Chocolate Almond Fudge
CLIF Bar is the original energy bar made with wholesome ingredients that deliver energy, CLIF Bars have whole ingredients you can see and taste, such as rolled oats, fruits and nuts, Each bar contains Phosphorus which contributes to energy-yielding metabolism, The bars are also a source of protein and fibre
Whole ingredients you can see and taste, such as organic rolled oats, organic oat fibre and organic dates, No hydrogenated oils or high fructose corn syrup
ALLERGENS Chocolate Chip Flavour: MAY CONTAIN PEANUTS, NUTS, MILK, SESAME, RYE, TRITICALE AND WHEAT Ingredients: Rolled OATS (22.3%), Brown Rice Syrup, SOY Rice Crispies (SOY Protein Isolate, Rice Flour, BARLEY Malt Extract), Roasted SOYbeans, Tapioca Syrup, Cane Syrup, Unsweetened Chocolate (5.5%), Chicory Root Fibre, SOY Flour, Sunflower and/or SOYbean Oil, Natural Flavourings, Salt, Cinnamon, Antioxidant: Tocopherol-Rich Extract.
ALLERGENS Blueberry Almond Crisp Flavour: MAY CONTAIN PEANUTS, OTHER NUTS, MILK, SESAME, RYE, TRITICALE AND WHEAT. MAY CONTAIN NUTSHELL FRAGMENTS Ingredients: Rolled OATS (20.5%), Brown Rice Syrup, SOY Rice Crispies (SOY Protein Isolate, Rice Flour, BARLEY Malt Extract), Roasted SOYbeans, Tapioca Syrup, Cane Syrup, Chicory Root Fibre, SOY Flour, ALMONDS (4.2%), Dried Blueberries (3.0%), Apple Juice Concentrate, Sunflower and/or SOYbean Oil, Natural Flavourings, Salt, Acidity Regulator: Citric Acid, Antioxidant: Tocopherol-Rich Extract.
ALLERGENS Crunchy Peanut Butter Flavour: MAY CONTAIN NUTS, MILK, SESAME, RYE, TRITICALE AND WHEAT. Ingredients: Rolled OATS (21.3%), Brown Rice Syrup, SOY Rice Crispies (SOY Protein Isolate, Rice Flour, BARLEY Malt Extract), Tapioca Syrup, Cane Syrup, PEANUT Butter (6.2%), PEANUTS (6.0%), PEANUT Flour (4.5%), Chicory Root Fibre, Roasted SOYbeans, SOY Flour, Natural Flavourings, Salt.
ALLERGENS White Chocolate Macadamia Nut Flavour: MAY CONTAIN PEANUTS, OTHER NUTS, MILK, SESAME, RYE, TRITICALE AND WHEAT. MAY CONTAIN NUTSHELL FRAGMENTS Ingredients: Rolled OATS (21.9%), Brown Rice Syrup, Roasted SOYbeans, SOY Rice Crispies (SOY Protein Isolate, Rice Flour, BARLEY Malt Extract), Tapioca Syrup, Cane Syrup, MACADAMIA NUTS (4.9%), Chicory Root Fibre, SOY Flour, Cane Sugar, Sunflower and/or SOYbean Oil, Natural Flavourings, Salt, Cocoa Butter (0.9%), SOY Flour, Antioxidant: Tocopherel-Rich Extract, Emulsifier: SOY Lecithin.
ALLERGENS Chocolate Almond Fudge Flavour: MAY CONTAIN PEANUTS, OTHER NUTS, MILK, SESAME, RYE, TRITICALE AND WHEAT. MAY CONTAIN NUTSHELL FRAGMENTS Ingredients: Rolled OATS (22.4%), Brown Rice Syrup, SOY Rice Crispies (SOY Protein Isolate, Rice Flour, BARLEY Malt Extract), Roasted SOYbeans, Tapioca Syrup, Cane Syrup, ALMONDS (4.1%), Unsweetened Chocolate (4.1%), SOY Flour, Chicory Root Fibre, Fat-Reduced Cocoa (3.0%), Sunflower and/or SOYbean Oil, Natural Flavourings, Salt, Antioxidant: Tocopherol-Rich Extract.
ALLERGENS Peanut Butter Banana with Dark Chocolate Flavour: MAY CONTAIN PEANUTS, MILK, SESAME, RYE, TRITICALE AND WHEAT Ingredients: Rolled OATS (19.6%), Brown Rice Syrup, SOY Rice Crispies (SOY Protein Isolate, Rice Flour, BARLEY Malt Extract), Tapioca Syrup, Roasted SOYbeans, Cane Syrup, PEANUT Butter (6.0%), Unsweetened Chocolate (5.3%), PEANUTS (4.3%), Chicory Root Fibre, Banana Powder (1.5%), Dried Bananas (0.6%), Salt, Natural Flavourings, Antioxidant: Tocopherol-Rich Extract.

Eat Natural Protein Bars 12 x 40g- peanut, almonds and salted caramel. High Protein, Gluten-Free Snack

Why We Love It

Protein-packed for energy boosts.
Delicious salted caramel flavor.
Ideal for gluten-free diets.

Main Highlights

High Protein Snack: Packed with 51% peanuts and soya crispies for a protein-rich boost.
Salted Caramel Flavor: A delicious combination of sweet and salty with hints of caramel.
Gluten-Free: Suitable for those following a gluten-free diet.
Source of Fiber: Provides a healthy amount of fiber in each bar for added nutritional value.
On-the-Go Convenience: Perfect for a quick snack, post-workout recovery, or anytime energy boost.

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

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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

Eat Natural Protein Bars 12 x 40g- Peanut and dark chocolate, High Protein, Gluten-Free, Delicious Energy Boost

Why We Love It

High in protein goodness.
Delicious chocolate-peanut combo.
Gluten-free and diet-friendly.

Main Highlights

High Protein: Each bar is packed with 45% peanuts for a rich source of protein.
Chocolate & Peanut Flavor: Combines crunchy peanuts with indulgent dark chocolate.
Gluten-Free: Suitable for those following a gluten-free diet.
Perfect On-the-Go: Ideal for a quick snack, post-workout boost, or energy on the go.

8.7

Excellent

We scanned 466 products

We reviewed these offers relevant to the Natural Protein 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 The Protein Kitchen, Nakd, Eat Natural, Huel, Pulsin, IQBAR, Clif Bar, Perkier, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Natural Protein Bars in the market, we considered we took a deep dive into 2331 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 The Protein Kitchen 100% Natural Protein Bars (12 x 55g) - No Added Sugar, Nutritional Protein Bars - Coconut & Almonds - Egg Whites from Free Range Chickens, Low Calorie Protein Bars, Snack Bars. We love many things about this product by The Protein Kitchen. What sets it apart from the competition is No added sugar goodness, Made from free-range eggs, Low calorie, nutritious snack.
The best value product for most shoppers and where user satisfaction is continuously the highest is Nakd Cocoa Hazelnut Protein Bar - Vegan - Gluten Free - Healthy Snack, 45g (Pack of 36 bars) by Nakd based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Natural Protein Bars and the best cost-to-value ratio is Nakd Cocoa Hazelnut Protein Bar - Vegan - Gluten Free - Healthy Snack, 45g (Pack of 36 bars)at Nakd with a 22% discount.
Our list of the best Natural Protein Bars 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 Natural Protein Bars in The UK

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We scanned 466 products

We concluded that: