Ready & Packaged Foods
All →Vegetables & Legumes
All →Desserts & Confectionery
All →Meat & Protein
All →Grains & Bakery
All →Beverages
All →Milk & Dairy
All →
Sugar-free tonic Calories
Sugar-free, low-calorie, refreshing beverage
In season: Spring · Summer · Autumn · Winter
CALORIES
GI
POTASSIUM
FIBER
Quick answer
1 cup (medium) of Sugar-free tonic (250 g) has 5 calories. That works out to 2 calories per 100 g. It contains 0 g of carbs, 0 g of protein, 0 g of fat and 0 g of fiber. Its glycemic index is 0 (low), so it raises blood sugar slowly.
What is Sugar-free tonic?
Sugar-free tonic is the no-sugar version of tonic water: a sparkling drink with the characteristic, gently bitter flavour of quinine. It is clear and lively with fine bubbles, and its bitterness sets it apart from ordinary fizzy drinks.
Enjoy it chilled over ice, often with a wedge of lime or lemon, either on its own or as a mixer in drinks such as a gin and tonic. It is sugar-free and very low in calories, making it a light choice when you want something fizzy without a sweet taste. If the bitterness is strong for you, add extra citrus or serve it alongside a savoury snack.
Sugar-free tonic Nutrition Facts
Selected: 100 g
2
KCAL / 100G
Carbs
0g
· 0% DV
Protein
0g
· 0% DV
Fat
0g
· 0% DV
Fiber
0g
· 0% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 0% · Protein 0% · Fat 100%
Sugar-free tonic Vitamins & Minerals
Vitamins
Vitamin A
0µg · 0% DV
B1
0mg · 0% DV
B2
0mg · 0% DV
B3
0mg · 0% DV
Minerals
Sodium
13mg · 1% DV
Calcium
1mg · 0% DV
Iron
0mg · 0% DV
Magnesium
0mg · 0% DV
How Nutritious Is Sugar-free tonic?
Nutrient density
Low
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Satiety score
Medium
An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.
Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.
Sugar-free tonic Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Sugar-free tonic
To burn the 2 calories in 100 g:
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
Is Sugar-free tonic Processed?
NOVA 3
Processed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Does Sugar-free tonic Contain Allergens?
No known major allergens
Which Diets Is Sugar-free tonic Good For?
Vegan
✓ Suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
Sugar-free tonic Fat Profile
SATURATED
0g
MONOUNSATURATED
0g
POLYUNSATURATED
0g
Compare Sugar-free tonic
Foods Similar to Sugar-free tonic
Frequently Asked Questions About Sugar-free tonic
Does sugar-free tonic water contain quinine?
Yes, most sugar-free tonic water contains quinine, which gives it its characteristic bitter taste. Removing sugar does not usually remove the quinine; the drink is sweetened with another ingredient instead.
Is sugar-free tonic water the same as sparkling water?
No. Sparkling water is carbonated water, while sugar-free tonic water has quinine for its distinctive bitter flavour and usually contains a sweetener. They are not interchangeable in every drink.
What sweetener is used in sugar-free tonic water?
It varies by brand. Sugar-free tonic water may use sweeteners such as sucralose or acesulfame potassium to provide sweetness without adding sugar.
Can you make a gin and tonic with sugar-free tonic water?
Yes. Sugar-free tonic water works in a gin and tonic just like regular tonic water. Pour it over gin and ice, then add a lime wedge if you like.
Does sugar-free tonic water have caffeine?
Usually not; tonic water is generally caffeine-free. Quinine, which gives tonic its bitter taste, is not caffeine and should not be confused with a stimulant.
Does sugar-free tonic water hydrate you?
Yes, it contributes to your fluid intake, but plain water is a better everyday choice. The carbonation and bitter quinine flavour can make tonic less comfortable to drink in larger amounts.
Can you drink sugar-free tonic water every day?
Most adults can have it as an occasional drink, but it is better not to make it your main source of fluids. Tonic water contains quinine, so anyone taking medication that may interact with quinine should ask a clinician first.
Does sugar-free tonic water taste different from regular tonic?
Yes, it can. Without sugar, the quinine bitterness may stand out more, and the sweetener can leave a different aftertaste from the one in regular tonic water.
How long does sugar-free tonic water last after opening?
Keep it tightly capped in the refrigerator after opening. It is usually best within a few days, because the carbonation fades and the drink becomes noticeably flatter.
Can people with diabetes drink sugar-free tonic water?
Often, yes, because it does not contain sugar, but sweeteners and other ingredients vary between products. If you have diabetes, ask your doctor or dietitian whether it fits your individual plan.
Have another question about Sugar-free tonic?
Ask the AI nutrition coach — calories, portions, alternatives and more, answered in seconds in the app.
Scan calories with your camera
Instant AI nutrition analysis
Nutrition data compiled from USDA FoodData Central and scientific sources.