We Chose The Best High Protein Cereal Bars in The UK - 10/2025

Value for Money

Warrior Crunch - High Protein Bars - 20g Protein Each Bar - Low Carb, Low Sugar Snack - 12 Pack x 64g (Peanut Butter Cup)

Warrior Crunch - High Protein Bars - 20g Protein Each Bar - Low Carb, Low Sugar Snack - 12 Pack x 64g (Peanut Butter Cup)

Warrior

9% OffFree Shipping

Why we love it

Muscle-building high protein content.
Optimum for keto diet.
Amazing tasting chocolate snack.

Main Highlights

HIGH PROTEIN FOR MUSCLE GROWTH & RECOVERY: Warrior Crunch Bar delivers 20g protein per bar for muscle gain, lean bulk and post workout recovery. Optimised protein snack and energy protein bar for strength, repair and endurance. Ideal high protein snacks and protein bars for gym goers, athletes and active people seeking an optimum protein dosage to build and maintain muscle. High protein bar and protein bars for muscle growth; premium protein snack for performance.
LOW CARB KETO SUPPORT FOR LEAN BUILD OR WEIGHT LOSS: Less than 3g carbs and sugar to fit keto diet, low carb plans and calorie deficit goals. Use as a meal replacement protein bar or cutting snack to control hunger while protecting lean muscle. High protein low carb snack for fat loss, recomposition and clean bulk phases without excess carbs or sugar. Supports low carb snacks and keto snacks routines; use as a low sugar snack or meal replacement bar when cutting.
LOW SUGAR WITH NO CRASH, SUSTAINED ENERGY: Just 1.9g sugar delivers sweet taste without spikes. Low sugar protein bars provide steady fuel for training, work and daily energy. Perfect pre workout or afternoon pick me up, supporting focus and performance. Great for your bulk, weight loss and keto snack strategy with optimum protein absorption for recovery. Low sugar snack and energy protein bar for training; protein snack that fits busy, active lifestyles.
TRIPLE LAYER CHOCOLATE TASTE WITH CRUNCH: Indulgent chocolate coating, creamy layer and crispy crunch for a chocolate protein bar that actually tastes amazing. Satisfying texture, great flavour and macro friendly profile make this a guilt free sweet snack. High protein bar with real crunch to replace sugary chocolate bars while staying on plan. Chocolate protein bar and protein snack that doubles as a healthy snack to satisfy cravings without derailing macros.
12 PACK VARIETY AND ON THE GO CONVENIENCE: Box of 12 individually wrapped protein bars for gym bag, desk, travel and meal prep. Choose best selling flavours or a mixed variety pack to find your favourite. Protein bar multipack and protein bars 12 pack give everyday value, bulk buy convenience and reliable high protein snacks whenever you need them. Ideal protein bar box for home or office; protein bar multipack and variety pack for bulk buy savings.

9.8

Exceptional

9.8

Exceptional

Warrior

Warrior Crunch - High Protein Bars - 20g Protein Each Bar - Low Carb, Low Sugar Snack - 12 Pack x 64g (Peanut Butter Cup)

9% OffFree Shipping

Why we love it

Muscle-building high protein content.
Optimum for keto diet.
Amazing tasting chocolate snack.

Main Highlights

HIGH PROTEIN FOR MUSCLE GROWTH & RECOVERY: Warrior Crunch Bar delivers 20g protein per bar for muscle gain, lean bulk and post workout recovery. Optimised protein snack and energy protein bar for strength, repair and endurance. Ideal high protein snacks and protein bars for gym goers, athletes and active people seeking an optimum protein dosage to build and maintain muscle. High protein bar and protein bars for muscle growth; premium protein snack for performance.
LOW CARB KETO SUPPORT FOR LEAN BUILD OR WEIGHT LOSS: Less than 3g carbs and sugar to fit keto diet, low carb plans and calorie deficit goals. Use as a meal replacement protein bar or cutting snack to control hunger while protecting lean muscle. High protein low carb snack for fat loss, recomposition and clean bulk phases without excess carbs or sugar. Supports low carb snacks and keto snacks routines; use as a low sugar snack or meal replacement bar when cutting.
LOW SUGAR WITH NO CRASH, SUSTAINED ENERGY: Just 1.9g sugar delivers sweet taste without spikes. Low sugar protein bars provide steady fuel for training, work and daily energy. Perfect pre workout or afternoon pick me up, supporting focus and performance. Great for your bulk, weight loss and keto snack strategy with optimum protein absorption for recovery. Low sugar snack and energy protein bar for training; protein snack that fits busy, active lifestyles.
TRIPLE LAYER CHOCOLATE TASTE WITH CRUNCH: Indulgent chocolate coating, creamy layer and crispy crunch for a chocolate protein bar that actually tastes amazing. Satisfying texture, great flavour and macro friendly profile make this a guilt free sweet snack. High protein bar with real crunch to replace sugary chocolate bars while staying on plan. Chocolate protein bar and protein snack that doubles as a healthy snack to satisfy cravings without derailing macros.
12 PACK VARIETY AND ON THE GO CONVENIENCE: Box of 12 individually wrapped protein bars for gym bag, desk, travel and meal prep. Choose best selling flavours or a mixed variety pack to find your favourite. Protein bar multipack and protein bars 12 pack give everyday value, bulk buy convenience and reliable high protein snacks whenever you need them. Ideal protein bar box for home or office; protein bar multipack and variety pack for bulk buy savings.

We scanned 984 products

We reviewed these offers relevant to the High Protein Cereal 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 Nature Valley, Warrior, Huel, Nakd, Trek, Grenade, Eat Natural, Perkier, Yubi Bar, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best High Protein Cereal Bars in the market, we considered we took a deep dive into 4921 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 Nature Valley Protein Peanut & Chocolate Gluten Free Cereal Bars 4 x 40g (Pack of 8, total 32 Bars), Packaging May Vary. We love many things about this product by Nature Valley. What sets it apart from the competition is High in protein and fiber, Free from artificial ingredients, Suitable for vegetarians.

The best value product for most shoppers and where user satisfaction is continuously the highest is Warrior Crunch - High Protein Bars - 20g Protein Each Bar - Low Carb, Low Sugar Snack - 12 Pack x 64g (Peanut Butter Cup) by Warrior based on online reviews by bloggers, experts and online shoppers.

The biggest bargain at the moment for High Protein Cereal Bars and the best cost-to-value ratio is Grenade OREO White Protein Bar - High Protein, Low Sugar, 12 x 60 gat Grenade with a 50% discount.

Our list of the best High Protein Cereal 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.

Best High Protein Cereal Bars of 2025

We scanned 984 products

We concluded that: