Top 10 · Updated October 2026
Healthiest Diet Sodas by Nutri-Score
4 of the top 10 diet sodas products carry Nutri-Score A; the rest score B or better. The diet sodas with the best Nutri-Score grades. Among products with the same grade, the one with the better nutrition score ranks higher. We checked 311 diet sodas with complete data.
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Coca cola zero
coca cola -
8
Coca Cola Zero cukru
coca cola · 330ml -
9
Pepsi cola zero
Pepsi -
10
How we built this list
We ranked all published diet sodas 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.