Grenade’s Carb Killa Peanut Nutter bars come in a box of 12 x 60g bars, each delivering 21g of protein alongside less than 2g of sugar per bar. The peanut-forward flavour is paired with a chocolate coating and a thick caramel layer, giving these bars a genuinely indulgent texture that sets them apart from more spartan protein snacks.
Each bar contains low-impact carbohydrates, making them a straightforward high-protein option for those who keep an eye on their sugar intake. With 214 kcal per bar, the nutritional profile is clearly laid out, and the format requires no preparation whatsoever — simply unwrap and eat.
Carb Killa bars are the UK’s best-selling protein bar, and the Peanut Nutter flavour is a firm favourite among the range. Whether tucked into a gym bag or kept at a desk as a between-meal snack, a box of 12 means there’s a ready supply on hand for anyone prioritising protein without wanting to sacrifice taste.




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