Top 10 · Updated October 2026

Highest-Protein Diet Beverages

Diet beverages: typically 0 g of protein per 100 g (median of 55 products). The diet beverages with the most protein per 100 g. Useful if you are trying to increase your protein intake. We checked 12 diet beverages with complete data.

1

Keto Coffee

Fast 800

e NOVA 4 525 kcal 1.3 g sugar 34.5 g protein 34.4 g fat

Also: Palm oil free
2

Dairy milk biscoff

Cadbury

e 525 kcal 53 g sugar 7.1 g protein 28 g fat
3

ProPud Milkshake

Njie · 330ml

b 58 kcal 4.9 g sugar 6.1 g protein 1.5 g fat
4

River Lemon Light

River · 1,5 L.

b 1 kcal 0 g sugar 0.5 g protein 0 g fat
5

RhönSprudel leicht&fruchtig

Rhön Sprudel · 0,75 l

c NOVA 4 14 kcal 3 g sugar 0.5 g protein 0.5 g fat

Also: Palm oil free
6

Bad Liebenwerda Landträume Kirsch-Wacholder

Bad Liebenwerda · 1 l

c NOVA 4 19 kcal 4.4 g sugar 0.5 g protein 0.5 g fat

Also: Palm oil free · No additives
7

Juiced Tea! Pure

Westminster · 0,5 L

c 13 kcal 3 g sugar 0.5 g protein 0.5 g fat

Also: No additives
8

Juiced Tea! Fruit

Westminster · 0,5 L

c NOVA 1 16 kcal 3.5 g sugar 0.5 g protein 0.5 g fat

Also: Palm oil free · No additives
9

Juiced Tea! Green

Westminster · 0,5 L

NOVA 1 16 kcal 2.2 g sugar 0.5 g protein 0.5 g fat

Also: No additives
10

7up free

coca cola · 1 L

c NOVA 4 0 kcal 0 g sugar 0.1 g protein 0 g fat

Also: Palm oil free

How we built this list

We ranked all published diet beverages 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.

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