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Clear, colourless tonic water in a glass, with fine bubbles rising through the liquid and a light fizz around the surface.

Plain tonic water Calories

Carbonated quinine-flavored beverage

CALORIES · 100 G

34kcal

GI

63medium

POTASSIUM · 100 G

1mg

FIBER · 100 G

0g

Quick answer

1 serving (medium) of Plain tonic water (200 g) has 68 calories. That works out to 34 calories per 100 g. It contains 16.6 g of carbs, 0 g of protein, 0 g of fat and 0 g of fiber. Its glycemic index is 63 (medium), so it raises blood sugar at a moderate pace.

Plain tonic water Nutrition Facts

Selected: 1 serving (medium) · 200 g

68

KCAL / 200G

Carbs

16.6g

· 6% 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%

Plain tonic water nutrition facts table · 1 serving (medium) (200 g)

NutrientAmount% DV
Calories68 kcal
Total fat0 g0%
Saturated fat0 g0%
Trans fat0 g
Sodium14 mg1%
Total carbohydrate16.6 g6%
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 Serving of Plain tonic water?

ServingAmountCalories
1 serving (medium)200 g68 kcal
100 g100 g34 kcal
1 serving (small)100 g34 kcal
1 serving (medium)150 g51 kcal
1 serving (large)200 g68 kcal
1 bottle (small)200 g68 kcal
1 can (medium)250 g85 kcal
1 serving (double)300 g102 kcal
1 bottle (medium)330 g112 kcal
1 bottle (large)500 g170 kcal

Calculated from 34 calories per 100 g.

Frequently Asked Questions About Plain tonic water

What is plain tonic water?

Plain tonic water is a carbonated, usually sweetened drink flavored with quinine. Its characteristic bitter edge distinguishes it from sparkling water, even though both are fizzy.

Does plain tonic water contain quinine?

Yes, quinine gives plain tonic water its characteristic bitter flavor. The amount in commercial tonic water is limited, so it is a flavoring ingredient rather than a medicinal dose.

Is plain tonic water the same as club soda?

No. Plain tonic water is usually sweetened and flavored with quinine, while club soda is carbonated water with added minerals and has no tonic-style bitterness.

Is plain tonic water alcoholic?

No, plain tonic water contains no alcohol by itself. It becomes part of an alcoholic drink only when mixed with spirits such as gin or vodka.

Why is plain tonic water used in a gin and tonic?

Plain tonic water adds bubbles, sweetness, and quinine bitterness that balance gin’s botanical flavors. A wedge of lime or lemon is a common garnish, but tonic water can also be paired with other spirits.

Does plain tonic water have caffeine?

Usually not. Quinine provides tonic water’s distinctive taste, not caffeine; plain tonic water is generally caffeine-free, though flavored or specially formulated products may differ.

Can plain tonic water relieve leg cramps?

No, plain tonic water is not a proven treatment for leg cramps. Its quinine content is too low to work as a reliable remedy, and quinine medicines can have serious side effects.

Does plain tonic water hydrate you?

Yes, plain tonic water contributes fluid, but it is not a better hydration choice than water. Regular tonic often contains added sugar, so water is more suitable for drinking throughout the day.

Can you drink plain tonic water on its own?

Yes, plain tonic water can be enjoyed on its own, chilled or over ice. Its bitter-sweet taste is distinctive; a squeeze of citrus can brighten it without turning it into a spirit-based cocktail.

How should you store plain tonic water after opening?

Keep opened plain tonic water tightly sealed in the refrigerator. It gradually loses carbonation and freshness, so drink it soon after opening and discard it if its smell or appearance changes.

Plain tonic water Vitamins & Minerals

Vitamins

Vitamin A

0µg · 0% DV

B1

0mg · 0% DV

B2

0mg · 0% DV

B3

0mg · 0% DV

Minerals

Sodium

14mg · 1% DV

Copper

0mg · 0% DV

Calcium

2mg · 0% DV

Zinc

0.02mg · 0% DV

Potassium ⭐

2mg · 0% DV

Plain tonic water Glycemic Index

GLYCEMIC INDEX

63
Medium
0 Low5570100

GLYCEMIC LOAD

10
Medium

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

How to Burn Off Plain tonic water

To burn the 68 calories in 1 serving (medium) (200 g):

🚶

17min

Walking (5 km/h)

🏃

7min

Running (8 km/h)

🚴

9min

Cycling

🏊

8min

Swimming

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

What is Plain tonic water?

Plain tonic water is a carbonated drink flavoured with quinine and usually sweetened. Its roots lie in the British colonial-era practice of taking quinine in bitter drinks; today, it is best known as a mixer, especially in gin and tonic.

Serve it chilled, on its own with a wedge of citrus, or mixed into a cocktail. Its bubbles, mild bitterness and sweetness make it refreshing, while also complementing spirits and aromatic herbs. It contains no protein or fat, and its carbohydrates come chiefly from sugar: 100 g provides 8.3 g of carbohydrate. For a less sweet drink, choose a sugar-free version, or use plain tonic water sparingly and add plenty of ice and citrus.

How Nutritious Is Plain tonic water?

Nutrient density

Low

4/ 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

37/ 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 Plain tonic water 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 Plain tonic water 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 Plain tonic water 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

Plain tonic water Fat Profile

SATURATED

0g

MONOUNSATURATED

0g

POLYUNSATURATED

0g

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Have another question about Plain tonic water?

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Nutrition data compiled from USDA FoodData Central and scientific sources.