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Black Tea Nutrition Facts: Is Black Tea Good for You?

Brewed black tea provides minerals without adding significant calories, fat, or sugar to your diet. A 100-gram serving is a good source of manganese, providing 10% of the Daily Value, and also contains small amounts of potassium and folate. Since it is virtually calorie-free and unsweetened, its place in a healthy diet depends on what you might add to it, such as sugar or milk, and your overall eating pattern.

1Calories
0gProtein
0.3gCarbs
0gFiber
0gFat
0gSugars

Per 100 g · Beverages, tea, black, brewed, prepared with tap water

Good source of (10 to 19% DV): Manganese

What stands out in black tea

  • Very low in calories. Plain, brewed black tea is a very low-calorie beverage. A 100-gram serving, which is about 3.5 fluid ounces, contains only 1 calorie. A larger 8-ounce cup has just 2 calories.
  • Good source of manganese. Black tea is a good source of the mineral manganese. Each 100-gram serving provides 0.22 mg, which is 10% of the recommended Daily Value.
  • No fat or sugar. This data is for unsweetened black tea prepared with tap water. It contains 0 grams of total fat, saturated fat, cholesterol, and total sugars.
  • Contains caffeine. A 100-gram serving of brewed black tea contains 20 mg of caffeine. An 8-ounce cup, which is 237 grams, contains about 47 mg of caffeine.

What to keep in mind

  • The nutrition facts listed are for plain, brewed black tea. Adding sugar, milk, or cream will increase the calories, fat, and sugar content.
  • This beverage contains caffeine, which some people may need to monitor.

Black Tea nutrition facts per 100 g

Calories and macronutrients
Nutrient Per 100 g % DV
Calories 1 kcal –
Protein 0 g 0%
Total fat 0 g 0%
Saturated fat 0 g 0%
Monounsaturated fat 0 g –
Polyunsaturated fat 0 g –
Cholesterol 0 mg 0%
Carbohydrate 0.3 g 0%
Dietary fiber 0 g 0%
Total sugars 0 g –
Water 99.7 g –
Sodium 3 mg 0%
Vitamins and minerals
Nutrient Per 100 g % DV
Potassium 37 mg 1%
Calcium 0 mg 0%
Iron 0.02 mg 0%
Magnesium 3 mg 1%
Phosphorus 1 mg 0%
Zinc 0.02 mg 0%
Copper 0.01 mg 1%
Manganese 0.22 mg 10%
Selenium 0 mcg 0%
Vitamin A (RAE) 0 mcg 0%
Vitamin C 0 mg 0%
Vitamin D 0 mcg 0%
Vitamin E 0 mg 0%
Vitamin K 0 mcg 0%
Thiamin (B1) 0 mg 0%
Riboflavin (B2) 0.01 mg 1%
Niacin (B3) 0 mg 0%
Vitamin B6 0 mg 0%
Folate (DFE) 5 mcg 1%
Vitamin B12 0 mcg 0%
Choline 0.4 mg 0%
Caffeine 20 mg –

% Daily Value uses the FDA Daily Values for adults and children 4 years and older. Highlighted rows are 20% DV or more per 100 g. A dash means no Daily Value is set.

Black Tea by portion

The nutrition data for black tea is often presented per 100 grams, but it’s more practical to consider common serving sizes. A 6 fl oz serving of brewed black tea contains 2 calories and 0.5 grams of carbohydrate. A larger 1 cup (8 fl oz) serving provides a similar amount, with 2 calories and 0.7 grams of carbohydrate. Both of these portions contain 0 grams of fat, protein, and sugar. These figures are for plain tea, before adding any milk or sweeteners.

USDA portion Weight Calories Protein Carbs Fiber Fat
1 fl oz 30 g 0 0 g 0.1 g 0 g 0 g
6 fl oz 178 g 2 0 g 0.5 g 0 g 0 g
1 cup (8 fl oz) 237 g 2 0 g 0.7 g 0 g 0 g

How black tea compares with other drinks

Compared to other beverages, brewed black tea is very low in calories and carbohydrates. Among the drinks in its group on this site, it ranks lower than most for calories, carbs, and potassium. It has about the same number of calories (1 per 100 g) as brewed coffee and green tea. In contrast, it has significantly fewer calories and carbohydrates than drinks like coconut water, which has 19 calories and about 4 grams of carbs, or orange juice, which has 45 calories and over 10 grams of carbs per 100 grams. Black tea is also very low in sodium.

Per 100 g Calories Protein Carbs Fiber Fat
Black Tea 1 0 g 0.3 g 0 g 0 g
Coffee 1 0.12 g 0 g 0 g 0.02 g
Green Tea 1 0.22 g 0 g 0 g 0 g
Coconut Water 19 0.72 g 3.7 g 1.1 g 0.2 g
Orange Juice 45 0.7 g 10.4 g 0.2 g 0.2 g

Quick answers

How many calories are in a cup of black tea?

A standard 1 cup (8 fl oz) serving of plain, brewed black tea contains 2 calories. It has no fat, protein, or sugar.

How many carbs are in black tea?

Plain black tea is very low in carbohydrates. A 1 cup (8 fl oz) serving contains 0.7 grams of carbohydrates and 0 grams of dietary fiber or sugar.

Is there any protein in black tea?

No, according to USDA data, brewed black tea contains 0 grams of protein per 100 grams and in typical serving sizes like an 8-ounce cup.

When to talk to a doctor or dietitian

  • The USDA entry lists 20 mg of caffeine per 100 g. If you are pregnant, have heart rhythm problems or have been told to limit caffeine, check how much is right for you.
  • This page describes nutrient content, not medical advice. If a health condition, medicine or pregnancy affects what you eat, a doctor or registered dietitian can tell you how black tea fits your situation.

Last updated October 21, 2026