10 Best Cheap Protein Bars in The UK

Last updated on 05/07/2025

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9.8

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Grenade

Grenade High Protein, Low Sugar Bar - Dark Chocolate Mint, 12 x 60 g

13% Off

Why We Love It

Packed with over 22g protein.
Low sugar, only 0.4g/bar.
Perfect post-workout or anytime snack.

Main Highlights

HIGH PROTEIN: Packed with protein, with over 22 g per bar
LOW SUGAR: Low in sugar, with just 0.4 g per bar
GUILT FREE TREAT: Each triple-layered bar consists of a chocolate protein nougat, a layer of fresh mint caramel, coated in dark chocolate and topped with crispy pieces
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

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

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

Snickers - Milk Chocolate Low Sugar Protein Bars | 12 x 57g Pack, Only 2g of Sugar per bar, Hi Protein Energy Snack, 20g Protein

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.

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.

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

Bodybuilding Warehouse

BW Premium LUX 20g High Protein Flapjack Bars 24 x 75g - Oat Based Low Sugar Snack - Bodybuilding Warehouse (Chocolate Orange)

9% OffFree Shipping

Why We Love It

High protein content for energy.
Low sugar for guilt-free snacking.
Delicious flavors to satisfy cravings.

Main Highlights

LUX PROTEIN FLAPJACK - These snack bars contain 20g of protein, very low sugar and high fibre. Protein keeps you full for longer, boosts energy and mood and is helpful for muscle building and repair. Perfect at any time of the day. Great for when you're on the go.
BENEFITS - Great choice for a snack or dessert. Ideally Incorporating complex carbohydrates in combination with protein into your post-workout routine can assist with muscle growth and recovery.
OAT-BASED BARS - A great source of complex carbohydrates. They provide slow-release and sustainable energy. This is great if you’re trying to control your calorie intake.
FLAVOURS - Available in 5 delicious flavours and 2 sizes (12 & 24 packs): Birthday Cake, Blueberry Yogurt, Chocolate Chunk, Mint Chocolate Chunk & Chocolate Orange. Suitable for vegetarians.
SERVING SIZE - 1 Bar (75g) - That’s 20g of protein per 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.

USN Trust Cookie Bar, Triple Chocolate Protein Cookie: High Protein Bars, Perfect On-the-Go & Post-Workout Protein Snacks (12 x 60g Bars per Pack)

13% OffFree Shipping

Why We Love It

Satisfies both cookie and protein cravings.
Optimal post-workout recovery snack.
Convenient muscle-building fuel.

Main Highlights

The best of both a protein bar and protein cookie: This is a delicious protein snack, baked like a cookie but packs the punch of a high protein bar
Essential snack for post-workout recovery: This could be our best tasting protein bar yet! We formulate Trust Cookie with the ideal balance of carbs and protein—helping you optimise your post-workout after long training sessions
High in protein: Each USN Trust Cookie protein bar contains 15g of protein, contributing towards the development of your muscle mass. Plus, it’s suitable for vegetarians!
Amazing taste: Our Trust Cookie high protein bars come in three delicious flavours. Discover an indulgent White Chocolate and Raspberry, smooth Salted Caramel or decadent Triple Chocolate protein cookie today. You’ll be blown away by the taste!
Perfect for those on the go: Convenient and macro friendly, these delicious protein snacks are ideal for those who don't have time to prep food before their workout, but still want tasty nutrition that contributes to their muscle maintenance and growth

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

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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.

8.9

Excellent

We scanned 1853 products

We reviewed these offers relevant to the Cheap 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 Grenade, Fulfil, BAREBELLS, Snickers, Misfits, Bodybuilding Warehouse, Yubi Bar, USN, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Cheap Protein Bars in the market, we considered we took a deep dive into 9266 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 Grenade High Protein, Low Sugar Bar - Dark Chocolate Mint, 12 x 60 g. We love many things about this product by Grenade. What sets it apart from the competition is Packed with over 22g protein, Low sugar, only 0.4g/bar, Perfect post-workout or anytime snack.
The best value product for most shoppers and where user satisfaction is continuously the highest is FULFIL Vitamin and Protein Bars (15 x 55 g Bars) — Chocolate Salted Caramel Flavour — 20 g High Protein, 9 Vitamins, Low Sugar by Fulfil based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Cheap Protein Bars and the best cost-to-value ratio is USN Trust Cookie Bar, Triple Chocolate Protein Cookie: High Protein Bars, Perfect On-the-Go & Post-Workout Protein Snacks (12 x 60g Bars per Pack)at USN with a 13% discount.
Our list of the best Cheap 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 Cheap Protein Bars in The UK

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Yubi Honeycomb - 12 Pack - Protein Bars - 99 Calories, High Protein, High Fibre, Low Sugar, Gluten Free and Dairy Free - Healthy Snacks/Nutrition Bar - Chocolate Bars - 420g

We scanned 1853 products

We concluded that: