Top 10 · Updated October 2026

Best Low-Sugar Tonic Water

The 10 lowest-sugar tonic water products on this list range from 0 g to 0 g of sugar per 100 g. The tonic water with the least sugar per 100 g, ranked using label data. Ties are broken by Nutri-Score. 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 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

  3. 3 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

  4. 4 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

  5. 5 Tonica limón

    Tonica limón

    Schweppes
    b 19 kcal 0 g sugar 0 g protein 0 g fat
  6. 6 Diet Tonic

    Diet Tonic

    Sodastream
    b 0 kcal 0 g sugar 0 g protein 0 g fat
  7. 7 Schweppes indian tonic

    Schweppes indian tonic

    Schweppes
    b 36 kcal 0 g sugar 0 g protein 0 g fat
  8. 8 Tonic

    Tonic

    Antarctica · 350ml
    b NOVA 4 0 kcal 0 g sugar 0 g protein 0 g fat
  9. 9 Tonic zero

    Tonic zero

    Schweppes
    b 8 kcal 0 g sugar 0 g protein 0 g fat
  10. 10 Premium tonic water

    Premium tonic water

    b 1 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

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