10 Best Protein Bars Cheap in The UK

Last updated on 05/07/2025

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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

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.

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

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.

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

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

Snickers Hi Protein Peanut Butter Flavour Bar (12 x 57g) High Protein Snack with Caramel, Peanuts and Mild Chocolate - Contain 20g Protein

21% OffFree Shipping

Why We Love It

Phenomenal Snicker Bar delight.
High protein, tasty snack.
Promotes muscle recovery efficiently.

Main Highlights

Phenomenal Snicker Bar flavour is perfect
Same chocolate coating and caramel snack but with 19g protein per bar
Diverse array of protein sources to promote muscle recovery

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

Nature Valley Protein Peanut & Chocolate Gluten Free Cereal Bars, 40 g (Pack of 26 )

4% 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

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!

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 (Salted Caramel)

26% OffFree Shipping

Why We Love It

20 grams of protein.
Low in sugar, high fibre.
Great taste and satisfying.

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.

8.8

Excellent

Save 26%

We scanned 1571 products

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

For the best Protein Bars Cheap in the market, we considered we took a deep dive into 7856 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 Snickers - Milk Chocolate Low Sugar Protein Bars | 12 x 57g Pack, Only 2g of Sugar per bar, Hi Protein Energy Snack, 20g Protein. We love many things about this product by Snickers. What sets it apart from the competition is Snickers flavor with more protein, Less sugar, still satisfyingly delicious, Ideal post workout snack.
The best value product for most shoppers and where user satisfaction is continuously the highest is Grenade High Protein, Low Sugar Bar - Dark Chocolate Mint, 12 x 60 g by Grenade based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Protein Bars Cheap and the best cost-to-value ratio is 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 (Salted Caramel)at Warrior with a 26% discount.
Our list of the best Protein Bars Cheap 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 Protein Bars Cheap in The UK

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We scanned 1571 products

We concluded that: