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A clear, colorless fizzy drink in a transparent glass, with fine bubbles rising through the liquid.
●Low GI

Sugar-free plain tonic Calories

Sugar-free, plain carbonated tonic water, typically sweetened with non-sugar sweeteners and virtually calorie-free.

In season: Spring · Summer · Autumn · Winter

CALORIES · 100 G

1kcal

GI

0low

POTASSIUM · 100 G

2mg

FIBER · 100 G

0g

Quick answer

1 bottle (medium) of Sugar-free plain tonic (330 g) has 3 calories. That works out to 1 calories per 100 g. It contains 0.7 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.

Sugar-free plain tonic Nutrition Facts

Selected: 1 bottle (medium) · 330 g

3

KCAL / 330G

Carbs

0.7g

· 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 100% · Protein 0% · Fat 0%

Sugar-free plain tonic nutrition facts table · 1 bottle (medium) (330 g)

NutrientAmount% DV
Calories3 kcal
Total fat0 g0%
Saturated fat0 g0%
Trans fat0 g
Sodium26 mg1%
Total carbohydrate0.7 g0%
Fiber0 g0%
Protein0 g0%

Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.

Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.

Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.

Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.

Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.

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How Many Calories in 1 Bottle of Sugar-free plain tonic?

ServingAmountCalories
1 bottle (medium)330 g3 kcal
100 g100 g1 kcal
1 can (mini)150 g2 kcal
1 bottle (small)200 g2 kcal
1 serving (small)200 g2 kcal
1 cup (medium)240 g2 kcal
1 can (medium)250 g3 kcal
1 serving (large)330 g3 kcal
1 bottle (large)500 g5 kcal

Calculated from 1 calories per 100 g.

Frequently Asked Questions About Sugar-free plain tonic

What gives sugar-free plain tonic its distinctive taste?

Quinine gives sugar-free plain tonic its characteristic bitter edge. Carbonation and non-sugar sweeteners balance that bitterness, while the plain version has no added fruit flavor; serving it cold can make the taste seem smoother.

Does sugar-free plain tonic contain quinine?

Yes, sugar-free plain tonic contains quinine, the bitter ingredient that defines tonic water. The amount used in the drink is not the same as a medicinal dose of quinine.

Is there caffeine in sugar-free plain tonic?

No, sugar-free plain tonic is generally caffeine-free. Its bitterness comes from quinine rather than caffeine, so it does not have coffee’s or caffeinated tea’s usual stimulating effect.

How is sugar-free plain tonic different from sparkling water?

Sugar-free plain tonic contains quinine and sweeteners, while sparkling water is simply carbonated water, sometimes with minerals. Tonic therefore tastes bitter and slightly sweet; it is not a like-for-like substitute when you want neutral bubbles.

Can you drink sugar-free plain tonic on its own?

Yes, sugar-free plain tonic can be enjoyed on its own, especially chilled or over ice. Its quinine bitterness is more noticeable without a mixer, so a squeeze of lime or lemon can make it more refreshing.

What cocktails can you make with sugar-free plain tonic besides gin and tonic?

Sugar-free plain tonic works with vodka, white rum, and nonalcoholic spirit alternatives. Citrus, cucumber, or herbs can add flavor without masking its bitter character; add the tonic last to keep the drink fizzy.

Does sugar-free plain tonic prevent malaria or treat leg cramps?

No, sugar-free plain tonic does not prevent malaria or treat leg cramps. Its quinine content is far below medicinal doses, and tonic water is not a substitute for antimalarial medicine or proper care for persistent cramps.

How long does sugar-free plain tonic keep after opening?

Sugar-free plain tonic is best kept tightly capped in the refrigerator after opening. It may remain drinkable for a while, but carbonation fades quickly, so use it soon if you want its intended fizz and taste.

Can people with diabetes drink sugar-free plain tonic?

Usually, sugar-free plain tonic has much less effect on blood glucose than a sugar-sweetened tonic because it uses non-sugar sweeteners. Sweeteners differ among products, so people managing diabetes should consider how their own glucose responds.

Does sugar-free plain tonic hydrate you as well as water?

Sugar-free plain tonic contributes to fluid intake, but it is not necessary to use it as your main drink. Its quinine and sweeteners give it a distinctive taste, while plain water remains a straightforward everyday choice.

Sugar-free plain tonic Vitamins & Minerals

Vitamins

Vitamin A

0µg · 0% DV

B1

0mg · 0% DV

B2

0mg · 0% DV

B3

0mg · 0% DV

Minerals

Sodium

26mg · 1% DV

Calcium

3.3mg · 0% DV

Potassium ⭐

6.6mg · 0% DV

Iron

0mg · 0% DV

Sugar-free plain tonic Glycemic Index

GLYCEMIC INDEX

0
Low
0 Low5570100

GLYCEMIC LOAD

0
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Sugar-free plain tonic

To burn the 3 calories in 1 bottle (medium) (330 g):

🚶

1min

Walking (5 km/h)

🏃

1min

Running (8 km/h)

🚴

1min

Cycling

🏊

1min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Sugar-free plain tonic?

Sugar-free plain tonic is a carbonated soft drink flavoured with quinine, which gives it its characteristic bitterness, and sweetened without sugar. Tonic water grew out of quinine drinks associated with British colonial-era efforts to prevent malaria; today it is enjoyed mainly as a mixer or a crisp drink in its own right.

Its taste is gently bitter, lightly sweet and often citrusy. Serve it well chilled, over ice with a wedge of lemon or lime, or use it in mixed drinks; in many places it is also a familiar bar staple. With no sugar and virtually no calories, it can suit people looking to reduce sugar, though anyone avoiding non-sugar sweeteners should check the label. Extra citrus and ice keep the glass refreshing without adding sweetness.

How Nutritious Is Sugar-free plain tonic?

Nutrient density

Low

2/ 100

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

40/ 100

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.

Is Sugar-free plain 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 plain tonic Contain Allergens?

No known major allergens

Gluten free
Dairy free
Eggs free
Peanuts free
Tree nuts free
Fish free
Soy free
Sesame free

Which Diets Is Sugar-free plain 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

✓ Suitable

Low FODMAP

— Not suitable

Sugar-free plain tonic Fat Profile

SATURATED

0g

MONOUNSATURATED

0g

POLYUNSATURATED

0g

Compare Sugar-free plain tonic

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1 kcal

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Nutrition data compiled from USDA FoodData Central and scientific sources.