1 cup (medium) of Iced Tea (Unsweetened) (240 g) has 2 calories. That works out to 1 calories per 100 g. It contains 0.5 g of carbs, 0.2 g of protein, 0 g of fat and 0 g of fiber. Its 0.5 mg of Manganese covers 21% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.

What is Iced Tea (Unsweetened)?

Unsweetened iced tea is brewed tea that has been chilled and served cold, often over ice. It can be made with black or green tea; iced tea became especially popular in the United States, while people worldwide now drink it at home and buy it ready-made. A squeeze of lemon or a few mint leaves can add flavour without sweetening it.

Its taste ranges from gently brisk and tannic to light and grassy, depending on the tea. Unsweetened iced tea is mostly water and contributes very little energy: it has 1 calorie per 100 g. It suits anyone looking for a refreshing alternative to sweetened drinks, and pairs well with a meal or a simple citrus garnish.

Iced Tea (Unsweetened) Nutrition Facts

Selected: 100 g

KCAL / 100G

Carbs

0.2g

· 0% DV

Protein

0.1g

· 0% DV

Fat

· 0% DV

Fiber

· 0% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 67% · Protein 33% · Fat 0%

Iced Tea (Unsweetened) Vitamins & Minerals

Vitamins

Vitamin A

0µg · 0% DV

0mg · 0% DV

0.02mg · 0% DV

Minerals

Calcium

1mg · 0% DV

Iron

0mg · 0% DV

Magnesium

1mg · 0% DV

Zinc

0mg · 0% DV

How Nutritious Is Iced Tea (Unsweetened)?

Nutrient density

Low

5/ 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.

Iced Tea (Unsweetened) Glycemic Index

GLYCEMIC INDEX

Low

0 Low5570100

GLYCEMIC LOAD

Low

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

How to Burn Off Iced Tea (Unsweetened)

To burn the 1 calories in 100 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.

Is Iced Tea (Unsweetened) Processed?

NOVA 2

Minimally 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 Iced Tea (Unsweetened) 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 Iced Tea (Unsweetened) Good For?

Vegan

✓ Suitable

Vegetarian

✓ Suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

✓ Suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

✓ Suitable

Low FODMAP

— Not suitable

Iced Tea (Unsweetened) Fat Profile

SATURATED

MONOUNSATURATED

POLYUNSATURATED

Compare Iced Tea (Unsweetened)

🧊🍵vs☕️

Iced Tea (Unsweetened) vs Turkish coffee6 kcal fewer per 100 g

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Iced Tea (Unsweetened) vs Iced Tea19 kcal fewer per 100 g

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Iced Tea (Unsweetened) vs TeaSame calories per 100 g

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Foods Similar to Iced Tea (Unsweetened)

☕️

Turkish coffee

7 kcal

🥛

Ayran

37 kcal

🧊🍵

Iced Tea

20 kcal

🍵

Tea

1 kcal

🥤

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2 kcal

🥤

Soda

42 kcal

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2 kcal

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42 kcal

Frequently Asked Questions About Iced Tea (Unsweetened)

Does unsweetened iced tea have caffeine?

Yes, unsweetened iced tea made from black or green tea contains caffeine; chilling the tea does not remove it. The amount varies with the tea and brewing method, while tea labeled decaffeinated contains much less.

Is unsweetened iced tea hydrating?

Yes, unsweetened iced tea contributes to your fluid intake. Caffeinated tea still provides fluid when consumed in ordinary amounts, so it generally does not dehydrate you; water remains a simple caffeine-free choice.

How do you make unsweetened iced tea at home?

Brew black or green tea, remove the leaves or tea bags, and let it cool before refrigerating. Taking the tea out when it is done steeping helps prevent bitterness. Serve it over ice, adding lemon or mint if you like.

Is unsweetened iced tea healthier than sweet tea?

Usually, yes: unsweetened iced tea avoids the added sugar found in sweet tea. It can still contain caffeine, and bottled versions may contain other ingredients, so the comparison depends on the particular drink.

Can you drink unsweetened iced tea at night?

You can drink decaffeinated unsweetened iced tea at night, but regular black- or green-tea versions may make it harder to fall asleep. If caffeine affects your sleep, choose a caffeine-free tea or have it earlier.

What is the difference between cold-brewed and regular unsweetened iced tea?

Cold-brewed unsweetened iced tea steeps tea leaves in cold water, while regular iced tea is usually brewed hot and then chilled. Cold brewing often produces a smoother, less bitter flavor, though the result depends on the tea and steeping time.

How long does homemade unsweetened iced tea last in the fridge?

Keep homemade unsweetened iced tea covered and refrigerated, and drink it within a few days. Do not leave it at room temperature for an extended period; discard it if its smell or appearance changes.

Does unsweetened iced tea stain your teeth?

Yes, unsweetened iced tea can stain teeth because tea contains dark pigments, even without added sugar. Rinsing your mouth with water after drinking can help reduce residue; brushing immediately after an acidic drink is best avoided.

Can unsweetened iced tea cause kidney stones?

Unsweetened iced tea does not cause kidney stones in everyone. Black tea contains oxalate, which may matter for people prone to certain stones; if you have a history of oxalate stones, ask your clinician or dietitian about your intake.

Does unsweetened iced tea contain sugar?

Unsweetened iced tea has no sugar added, and plain brewed tea contains only tiny amounts of naturally occurring carbohydrates. Bottled drinks can differ, so check the ingredient list if you need to know whether a particular product contains sweeteners.

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Nutrition data compiled from USDA FoodData Central and scientific sources.

· Last updated: September 29, 2026