Top 10 · Updated October 2026

Lowest-Calorie Protein Bars

The 10 lightest protein bars products on this list range from 2 to 98 kcal per 100 g. The protein bars with the fewest calories per 100 g, so you can compare energy density at a glance. We checked 3674 protein bars with complete data.

1

Tropical detox tea

Reese's

NOVA 4 2 kcal 0.6 g sugar 0.5 g protein 0.5 g fat
2

Cookies and cream

Spylt · 11 fl oz

NOVA 4 19 kcal 0 g sugar 4.2 g protein 0 g fat

Also: Palm oil free
3

Yogurt magri bio

Dave's Killer Bread

NOVA 4 67 kcal 5 g sugar 8 g protein 0.1 g fat
4

Beef Stick

Dauntless Snacks · 28 g

c NOVA 3 70 kcal 0 g sugar 7 g protein 5 g fat
5

Protein Cream Fresa Plátano

Nutrisport

74 kcal 1.3 g sugar 11 g protein 1.3 g fat
6

High protein

Milbona

79 kcal 0 g sugar 8.8 g protein 0 g fat
7

Postre proteínas chocolate nata

Hacendado · 150 g

NOVA 4 82 kcal 4 g sugar 10 g protein 2.4 g fat
8

High Protein

Lidl

86 kcal 8.4 g sugar 9 g protein 1.8 g fat
9

Raspberry Cheesecake Protein Bar

Skippy · 40 g

92 kcal 2.3 g sugar 12.4 g protein 3.5 g fat
10

Neoh CrossBar

NEOH · 30 g

98 kcal 0 g sugar 7 g protein 4 g fat

How we built this list

We ranked all published protein bars 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 protein bars rankings

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