Top 10 · Updated October 2026

Least Processed Tonic Water

3 of the top 10 tonic water products sit in NOVA group 1 — the least processed end of the scale. The tonic water with the lowest NOVA processing group — fewer industrial ingredients and additives. We checked 111 tonic water with complete data.

1

Tonic water

Farmer · 1l

c NOVA 1 15 kcal 3.8 g sugar 0.5 g protein 0.5 g fat
2

Tonic water

Aldi · 500 ml

e NOVA 1 172 kcal 43 g sugar 0 g protein 0 g fat
3

Grapefruit Flavored Tonic Water

Great Value

NOVA 1 41 kcal 10.3 g sugar 0 g protein 0 g fat
4

Water

Carrick Glen · 12 x 500 ml

a NOVA 3 0 kcal 0 g sugar 0 g protein 0 g fat

Also: Palm oil free · Vegan · Vegetarian
5

Slimline Tonic Water with Elderflower

Schweppes

b NOVA 3 2 kcal 0 g sugar 0 g protein 0 g fat

Also: Palm oil free · No additives
6

Indian tonic water

Schweppes · 330ml

c NOVA 3 22 kcal 5.1 g sugar 0 g protein 0 g fat

Also: No additives
7

Tonic water

Naturfrisk

c NOVA 3 35 kcal 6 g sugar 0 g protein 0 g fat
8

Lady alai

c NOVA 3 4 kcal 0 g sugar 1 g protein 0 g fat

Also: Palm oil free
9

Tónica

Freeway · 0,33 L.

d NOVA 3 30 kcal 7 g sugar 0 g protein 0 g fat

Also: Palm oil free · Vegetarian
10

Cucumber

Lamb & watt · 200 ml

d NOVA 3 34 kcal 7.9 g sugar 0.1 g protein 0 g fat

Also: Palm oil free

How we built this list

We ranked all published tonic water 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 tonic water rankings

Healthiest Tonic Water by Nutri-Score Highest-Protein Tonic Water Lowest-Calorie Tonic Water Best Low-Sugar Tonic Water All tonic water