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Protein Bars Comparison - August 2025
7 Best Protein Bars In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Advertising Disclosure
Overview: Finding a protein bar that not only tastes good, but is also nutritious and good for you can be difficult. With so many options on the market, it can be hard to decide which one is best. Read on to learn more about the different types of protein bars available and find the one that fits your needs.
FULFIL Vitamin and Protein Bars (15 x 55 g Bars) — Chocolate Salted Caramel Flavour — 20 g High Protein, 9 Vitamins, Low Sugar
Model
Nature Valley Protein Peanut & Chocolate Gluten Free Cereal Bars, 40 g (Pack of 26 )
Model
Grenade OREO Protein Bar - High Protein, Low Sugar, 12 x 60 g
Model
Warrior Crunch - High Protein Bars - 20g Protein Each Bar - Low Carb, Low Sugar Snack - 12 Pack x 64g (Variety Pack)
Model
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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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 (Chocolate Peanut Butter)
Model
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
Brand
Fulfil
Brand
Nature Valley
Brand
Grenade
Brand
Warrior
Brand
Yubi Bar
Brand
Warrior
Brand
Yubi Bar
Reviews
15,152 reviews
Reviews
14,592 reviews
Reviews
10,000 reviews
Reviews
2,228 reviews
Reviews
336 reviews
Reviews
5,536 reviews
Reviews
348 reviews
Features
Taste
9.8
Taste
9.8
Taste
9.1
Taste
9.1
Taste
7.2
Taste
7.0
Taste
7.0
Worth the money
9.1
Worth the money
9.4
Worth the money
7.6
Worth the money
8.6
Worth the money
7.2
Worth the money
8.1
Worth the money
7.2
Quality of ingredients
9.4
Quality of ingredients
9.3
Quality of ingredients
8.4
Quality of ingredients
9.6
Quality of ingredients
9.8
Quality of ingredients
7.0
Quality of ingredients
7.0
Flavor
9.4
Flavor
9.3
Flavor
8.4
Flavor
9.9
Flavor
9.9
Flavor
9.4
Flavor
8.6
Tech Specs
package information
-
package information
Box
package information
Box
package information
Box
package information
Box
package information
Box
package information
Box
customer reviews
-
customer reviews
4.7 4.7 out of 5 stars 3, 648 ratings 4.7 out of 5 stars
customer reviews
4.6 4.6 out of 5 stars 2, 500 ratings 4.6 out of 5 stars
customer reviews
4.4 4.4 out of 5 stars 557 ratings 4.4 out of 5 stars
customer reviews
4.5 4.5 out of 5 stars 84 ratings 4.5 out of 5 stars
customer reviews
4.2 4.2 out of 5 stars 1, 384 ratings 4.2 out of 5 stars
customer reviews
4.4 4.4 out of 5 stars 87 ratings 4.4 out of 5 stars
age range description
-
age range description
Adult
age range description
Adult
age range description
Adult
age range description
Adult
age range description
Adult
age range description
Adult
serving recommendation
-
serving recommendation
1 bar
serving recommendation
1 bar
serving recommendation
Serving Size - 1 Bar 64g
serving recommendation
1 Bar
serving recommendation
1 bar
serving recommendation
1 Bar
product dimensions
24.5 x 15.5 x 7.2 cm 820 g
product dimensions
18.1 x 13.3 x 14.8 cm 1.04 kg
product dimensions
17 x 15 x 6.5 cm 720 g
product dimensions
19.5 x 15 x 8 cm 768 g
product dimensions
-
product dimensions
15 x 15 x 12 cm 900 g
product dimensions
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speciality
-
speciality
Suitable for Vegetarians
speciality
Low Sugar
speciality
Low Carb
speciality
-
speciality
Low Sugar
speciality
-
allergen information
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allergen information
Contains: Peanuts
allergen information
Contains: Soy, Milk, Gluten may contain, Tree nuts may contain, Wheat
allergen information
Contains: Barley, Soy, Milk, Peanuts
allergen information
-
allergen information
Contains: Gluten, Egg may contain, Peanuts may contain, Milk, Soy
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1
Fulfil
FULFIL Vitamin and Protein Bars (15 x 55 g Bars) — Chocolate Salted Caramel Flavour — 20 g High Protein, 9 Vitamins, Low Sugar
9.8Taste
9.4quality of ingredients
9.4Flavor
Why we love it
High protein, low sugar content.
Contains 9 essential vitamins.
Delicious chocolate salted caramel flavor.
Main highlights
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
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
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
9 VITAMINS: Each FULFIL bar contains 30 percent RDA for 9 essential vitamins to support you through everyday life
Show more
9.6
2
Nature Valley
25% Off
Nature Valley Protein Peanut & Chocolate Gluten Free Cereal Bars, 40 g (Pack of 26 )
9.8Taste
9.4worth the money
9.3quality of ingredients
Why we love it
High protein and fiber content.
Gluten-free, vegetarian-friendly.
No artificial flavors or preservatives.
Main highlights
Why not also try Nature Valley Crunchy Oats & Dark Chocolate Cereal Bars or Nature Valley Nut Butter Peanut Biscuits?
Packaging may vary
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
Show more
9.5
3
Grenade
29% Off
Grenade OREO Protein Bar - High Protein, Low Sugar, 12 x 60 g
INGREDIENT CHANGE: Packaging and ingredients may vary
INFORMED SPORT CERTIFIED: Certified with the Informed Sport Programme and therefore suitable for use by drug tested athletes and military personnel
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
HIGH PROTEIN: Packed with protein, with over 21 g per bar
GUILT FREE TREAT: Each triple-layered bar consists of genuine OREO Vanilla, a protein nougat loaded with authentic OREO cocoa, topped with low sugar chocolate, and topped with zero sugar OREO Pieces
Show more
Our ranking system
The TopChoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria. We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. TopChoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.
Features
Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
Consumer Reviews
We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
Popularity
Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.
When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.
When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Advertising Disclosure
9.8 
9.8
1Fulfil
High protein, low sugar content.
