Food Groups
Ready & Packaged Foods12 ›Vegetables & Legumes12 ›Desserts & Confectionery8 ›Meat & Protein10 ›Grains & Bakery6 ›Beverages6 ›Milk & Dairy4 ›Natural & Other Foods14 ›Categories
Category
Canned & Jarred ProductsBrowse every food in this category.
Canned & Jarred ProductsSee all products →Category
Packaged Breakfast ProductsBrowse every food in this category.
Packaged Breakfast ProductsSee all products →Category
Other Packaged FoodsBrowse every food in this category.
Other Packaged FoodsSee all products →Category
Radishes & BrassicasBrowse every food in this category.
Radishes & BrassicasSee all products →Category
Ice Cream & Frozen DessertsBrowse every food in this category.
Ice Cream & Frozen DessertsSee all products →Category
Puddings & Cream DessertsBrowse every food in this category.
Puddings & Cream DessertsSee all products →Category
Plant Protein & TofuBrowse every food in this category.
Plant Protein & TofuSee all products →Category
Protein Products & PowdersBrowse every food in this category.
Protein Products & PowdersSee all products →Category
Other High-Protein FoodsBrowse every food in this category.
Other High-Protein FoodsSee all products →Category
Bread & Grain BakeryBrowse every food in this category.
Bread & Grain BakerySee all products →Category
Oats & Breakfast CerealsBrowse every food in this category.
Oats & Breakfast CerealsSee all products →Category
Wheat, Flour & BulgurBrowse every food in this category.
Wheat, Flour & BulgurSee all products →Category
Fruit & Vegetable JuicesBrowse every food in this category.
Fruit & Vegetable JuicesSee all products →Category
Water & Mineral WaterBrowse every food in this category.
Water & Mineral WaterSee all products →Category
Energy, Sports, Smoothie & OtherBrowse every food in this category.
Energy, Sports, Smoothie & OtherSee all products →Category
Yoghurt, Kefir & AyranBrowse every food in this category.
Yoghurt, Kefir & AyranSee all products →Category
Butter, Cream & OtherBrowse every food in this category.
Butter, Cream & OtherSee all products →Category
Other / Processed SeafoodBrowse every food in this category.
Other / Processed SeafoodSee all products →Category
Other / Dried FruitsBrowse every food in this category.
Other / Dried FruitsSee all products →Category
Herbs & Spice BlendsBrowse every food in this category.
Herbs & Spice BlendsSee all products →
🍵
Unsweetened black tea Calories
Low-calorie brewed black tea without sugar
CALORIES
GI
POTASSIUM
FIBER
Unsweetened black tea Nutrition Facts
Selected: 100 g
1
KCAL / 100G
Carbs
0.3g
· 100%
Protein
0g
· 0%
Fat
0g
· 0%
Fiber
0g
Unsweetened black tea Vitamins & Minerals
Vitamins
Vitamin A
0µg · 0% DV
B1
0mg · 0% DV
B2
0mg · 0% DV
B3
0.03mg · 0% DV
Minerals
Potassium ⭐
37mg · 1% DV
Calcium
3mg · 0% DV
Iron
0mg · 0% DV
Magnesium
2mg · 0% DV
Unsweetened black tea Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is Unsweetened black tea 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 Unsweetened black tea Contain Allergens?
No known major allergens
Which Diets Is Unsweetened black tea 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
Unsweetened black tea Fat Profile
SATURATED
0g
MONOUNSATURATED
0g
POLYUNSATURATED
0g
Foods Similar to Unsweetened black tea
Unsweetened black tea — Frequently Asked Questions
Why does unsweetened black tea sometimes taste bitter?
Bitterness usually comes from over-steeping, using very hot water for too long, or leaving the brewed tea sitting on heat. Shorter brewing and serving it soon after steeping usually gives a smoother taste.
Can I drink unsweetened black tea on an empty stomach?
Many people can, but it may cause nausea, acidity, or stomach discomfort in sensitive individuals. If that happens, try having it with or after food.
Does unsweetened black tea count as water?
It contributes to fluid intake, but it is still best not to rely on tea as your only drink. Water should remain your main source of hydration through the day.
Is unsweetened black tea a gentler option than coffee?
Many people find black tea feels milder and easier to spread across the day than coffee. Still, sensitivity to stimulating compounds varies from person to person.
Can unsweetened black tea affect iron absorption?
Yes, compounds in black tea can reduce the absorption of non-heme iron from plant foods. People with low iron status may prefer to drink it between meals rather than with meals.
Is it okay to drink unsweetened black tea at night?
It can be, but its natural stimulating compounds may make it harder for some people to fall asleep. If you are sensitive, it is better to have it earlier in the day.
What changes if I add lemon to unsweetened black tea?
Lemon can brighten the flavor and soften some of the astringency. It may also make unsweetened tea easier to enjoy for people who are used to sweetened drinks.
Is unsweetened black tea better before or after a workout?
It is more often used before exercise when someone wants a mild pick-me-up. After training, hydration and any needed electrolytes should come first.
Does brewed unsweetened black tea go bad if it sits too long?
Yes, brewed tea loses freshness and flavor when left out for too long. For best quality, drink it fresh or refrigerate leftovers promptly for short-term storage.
Is unsweetened black tea addictive?
Black tea itself is not typically described as addictive in the strict sense, but regular use can become habitual. Some people notice headaches or sluggishness if they stop suddenly.
Have another question about Unsweetened black tea?
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.