Top 10 · Updated October 2026

Highest-Protein Flapjack

Flapjack: typically 6.2 g of protein per 100 g (median of 29 products). The flapjack with the most protein per 100 g. Useful if you are trying to increase your protein intake. We checked 26 flapjack with complete data.

1

Raw Protein (Honey Berry)

Warrior

328 kcal 4.8 g sugar 26.7 g protein 4.1 g fat
2

Bakewell Flapjack

Oh So… Scrummy · 110g

e NOVA 4 389 kcal 20.2 g sugar 8.8 g protein 18.3 g fat

Also: Vegetarian
3

Apricot & Coconut Oat Bars 3 x

e NOVA 4 418 kcal 22.4 g sugar 8.1 g protein 18 g fat

Also: Palm oil free · Vegan · Vegetarian
4

Flapjack Cashew Cocos

Brynmor · 80 g

e NOVA 4 464 kcal 27.2 g sugar 8.1 g protein 24.8 g fat

Also: Vegan · Vegetarian · No additives
5

Tesco All Butter Flapjack

Tesco

e NOVA 4 433 kcal 32.4 g sugar 7 g protein 16.7 g fat

Also: Vegetarian · No additives
6

All Butter Flapjack

Sainsbury's

e NOVA 4 448 kcal 31.5 g sugar 6.5 g protein 18.2 g fat

Also: Palm oil free · Vegetarian · No additives
7

Lively lemon flapjack

Graze · 53g

d NOVA 4 446 kcal 13 g sugar 6.4 g protein 24 g fat

Also: Vegetarian
8

Chocolate Caramel Flavour Flapjack

Delicious Ideas · 90 g

e 453 kcal 26 g sugar 6.4 g protein 22 g fat
9

Chocolate Chip Flapjack

Hollylane · 80g

c NOVA 4 424 kcal 17.5 g sugar 6.3 g protein 16.4 g fat

Also: Palm oil free
10

Flapjack

Pearls · 120 g

d NOVA 4 446 kcal 26.7 g sugar 6.3 g protein 19.8 g fat

Also: Palm oil free · Vegan · Vegetarian

How we built this list

We ranked all published flapjack on Foodmetria that have a photo and the required nutrition data, using values per 100 g from the product label. Ties are broken by Nutri-Score and by how often shoppers scan the product. Rankings update automatically as label data changes. Read our methodology.

More flapjack rankings

Healthiest Flapjack by Nutri-Score Least Processed Flapjack Lowest-Calorie Flapjack Best Low-Sugar Flapjack All flapjack