Top 10 · Updated October 2026

Healthiest Tonic Water by Nutri-Score

6 of the top 10 tonic water products carry Nutri-Score A; the rest score B or better. The tonic water with the best Nutri-Score grades. Among products with the same grade, the one with the better nutrition score ranks higher. We checked 165 tonic water with complete data.

  1. 1 Water

    Water

    Gill Beck · 500 mL
    a 0 kcal 0 g sugar 0 g protein 0 g fat

    Also: No additives

  2. 2 Tonic Water

    Tonic Water

    Kroger · 240 ml
    a NOVA 4 13 kcal 3.4 g sugar 0 g protein 0 g fat

    Also: Palm oil free

  3. 3 Water

    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

  4. 4 Tonic Water

    Tonic Water

    Super Chill · 355 ml
    a NOVA 4 11 kcal 2.7 g sugar 0 g protein 0 g fat

    Also: Palm oil free

  5. 5 Tonic Water

    Tonic Water

    Giant Eagle · 355 ml
    a NOVA 4 11 kcal 2.7 g sugar 0 g protein 0 g fat

    Also: Palm oil free

  6. 6 Diet Tonic Water

    Diet Tonic Water

    Giant Eagle · 355 ml
    a NOVA 4 0 kcal 0 g sugar 0 g protein 0 g fat

    Also: Palm oil free

  7. 7 Slimline Tonic Water with Elderflower

    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

  8. 8 Tonic zero

    Tonic zero

    Schweppes
    b 8 kcal 0 g sugar 0 g protein 0 g fat
  9. 9 Diet Tonic

    Diet Tonic

    Sodastream
    b 0 kcal 0 g sugar 0 g protein 0 g fat
  10. 10 Schweppes indian tonic

    Schweppes indian tonic

    Schweppes
    b 36 kcal 0 g sugar 0 g protein 0 g fat

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

Highest-Protein Tonic WaterLeast Processed Tonic WaterLowest-Calorie Tonic WaterBest Low-Sugar Tonic Water All tonic water