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10 Best Protein Bar For Weight Loss Uk - May 2026

19M consumers helped this year.

Last Updated: 27-05-2026

1

- 15%

Warrior Crunch Protein Bars, Banoffee Pie 12 x 64g – High Protein Snacks (20g), Low Sugar, Low Calorie Snack Bar, Guilt-Free On-the-Go Treats, Multipack Diet Bars for Weight Loss

Warrior Crunch Protein Bars, Banoffee Pie 12 x 64g – High Protein Snacks (20g), Low Sugar, Low Calorie Snack Bar, Guilt-Free On-the-Go Treats, Multipack Diet Bars for Weight Loss

Warrior

9.8

9.8

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2

- 25%

SlimFast Meal Replacement Snack Bar • Salted Caramel Flavour • 211 Cals • 15g Protein • 23 Vitamins and Minerals • Tasty and Perfect On The Go • 4 x 60g Bars

SlimFast Meal Replacement Snack Bar • Salted Caramel Flavour • 211 Cals • 15g Protein • 23 Vitamins and Minerals • Tasty and Perfect On The Go • 4 x 60g Bars

SlimFast

9.6

9.6

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3

- 6%

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

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

Grenade

9.5

9.5

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4

- 44%

Grenade OREO White - High Protein, Low Sugar Bars, 12 x 60 g

Grenade OREO White - High Protein, Low Sugar Bars, 12 x 60 g

Grenade

9.2

9.2

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5

- 17%

Warrior Crunch Protein Bars, Chocolate Chip Cookie Dough 12 x 64g – High Protein Snacks (20g), Low Sugar, Low Calorie Snack Bar, Guilt-Free On-the-Go Treats, Multipack Diet Bars for Weight Loss

Warrior Crunch Protein Bars, Chocolate Chip Cookie Dough 12 x 64g – High Protein Snacks (20g), Low Sugar, Low Calorie Snack Bar, Guilt-Free On-the-Go Treats, Multipack Diet Bars for Weight Loss

Warrior

9.1

9.1

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6

- 25%

Warrior RAW Protein Bars 12 x 75g – 20g High Protein Bar, Low Sugar High Fibre Oat Protein Flapjack – Protein Snacks, Meal Replacement Bars (Chocolate Brownie)

Warrior RAW Protein Bars 12 x 75g – 20g High Protein Bar, Low Sugar High Fibre Oat Protein Flapjack – Protein Snacks, Meal Replacement Bars (Chocolate Brownie)

Warrior

8.8

8.8

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7

Warrior Crunch Protein Bars, Variety Pack 12 x 64g – High Protein Snacks (20g), Low Sugar, Low Calorie Snack Bar, Guilt-Free On-the-Go Treats, Multipack Diet Bars for Weight Loss

Warrior Crunch Protein Bars, Variety Pack 12 x 64g – High Protein Snacks (20g), Low Sugar, Low Calorie Snack Bar, Guilt-Free On-the-Go Treats, Multipack Diet Bars for Weight Loss

Warrior

8.6

8.6

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8

Creatime Creatine Protein Bars – High Protein, Low Sugar, Low Carb Snack with Collagen for Strength & Recovery – 15g Protein, 3g Creatine, 143 Calories – 50g x 12 (Triple Choc)

Creatime Creatine Protein Bars – High Protein, Low Sugar, Low Carb Snack with Collagen for Strength & Recovery – 15g Protein, 3g Creatine, 143 Calories – 50g x 12 (Triple Choc)

CREATIME

8.4

8.4

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9

Shake That Weight Milk Chocolate Meal Bars, 13.8g Protein, Gluten-Free, Low Sugar Meal Replacement Bars for Weight Loss, High Fibre, Vegetarian

Shake That Weight Milk Chocolate Meal Bars, 13.8g Protein, Gluten-Free, Low Sugar Meal Replacement Bars for Weight Loss, High Fibre, Vegetarian

Shake That Weight

8.2

8.2

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10

- 30%

Grenade High Protein, Low Sugar Bar - Peanut Nutter, 12 x 60 g (Packaging May Vary)

Grenade High Protein, Low Sugar Bar - Peanut Nutter, 12 x 60 g (Packaging May Vary)

Grenade

8.1

8.1

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