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Green Tea (Unsweetened) Calories
Antioxidants, zero calories, unsweetened
In season: Spring · Summer · Autumn · Winter
CALORIES
GI
POTASSIUM
FIBER
Quick answer
1 cup (medium) of Green Tea (Unsweetened) (240 g) has 2 calories. That works out to 1 calories per 100 g. It contains 0.2 g of carbs, 0.5 g of protein, 0 g of fat and 0 g of fiber. Its 0.4 mg of Manganese covers 19% of the Daily Value. Its glycemic index is 0 (low), so it raises blood sugar slowly.
What is Green Tea (Unsweetened)?
Green tea (unsweetened) is made from the leaves of Camellia sinensis, heated after picking to limit oxidation. It has a long history in China and across East Asia, and is now enjoyed around the world. Brewed, it is usually pale green or yellow, with a light, fresh aroma and a gently grassy, sometimes slightly astringent taste.
It is commonly sipped on its own, with meals or between them; in Turkey, where black tea is the everyday favourite, green tea is often a lighter choice during the day and may be served with lemon. Without added sweetener, it contributes almost no energy and provides naturally occurring plant compounds. Pair it with a simple snack, or brew it briefly for a gentler, less bitter cup.
Green Tea (Unsweetened) Nutrition Facts
Selected: 100 g
1
KCAL / 100G
Carbs
0.1g
· 0% DV
Protein
0.2g
· 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 33% · Protein 67% · Fat 0%
Green Tea (Unsweetened) Vitamins & Minerals
Vitamins
B2
0.02mg · 2% DV
B1
0.01mg · 1% DV
B6
0.01mg · 1% DV
Vitamin A
0µg · 0% DV
Minerals
Calcium
3mg · 0% DV
Iron
0mg · 0% DV
Magnesium
1mg · 0% DV
Zinc
0mg · 0% DV
How Nutritious Is Green Tea (Unsweetened)?
Nutrient density
Low
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
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.
Green Tea (Unsweetened) Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Green Tea (Unsweetened)
To burn the 1 calories in 100 g:
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
Is Green 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 Green Tea (Unsweetened) Contain Allergens?
No known major allergens
Which Diets Is Green 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
Green Tea (Unsweetened) Fat Profile
SATURATED
0g
MONOUNSATURATED
0g
POLYUNSATURATED
0g
Compare Green Tea (Unsweetened)
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Frequently Asked Questions About Green Tea (Unsweetened)
Does unsweetened green tea have caffeine?
Yes, unsweetened green tea naturally contains caffeine. The amount varies with the leaves and brewing method, so a longer or stronger brew may have more; decaffeinated green tea is an option if you are limiting caffeine.
Does unsweetened green tea help with weight loss?
No, unsweetened green tea does not cause weight loss on its own. Replacing a sugary drink with it can reduce added sugar intake, but drinking green tea is not a substitute for an overall eating and activity plan.
Can unsweetened green tea keep you awake?
Yes, its caffeine can make it harder to fall asleep, especially if you are caffeine-sensitive or drink it late in the day. Choose an earlier time or decaffeinated green tea if it affects your sleep.
How do you brew unsweetened green tea without making it bitter?
Use hot, rather than boiling, water and steep the leaves briefly. Overly hot water and a long steep can draw out bitter-tasting compounds; remove the leaves or tea bag once the brew tastes right.
Is unsweetened green tea the same as matcha?
No, unsweetened green tea is usually an infusion made by steeping leaves and removing them. Matcha is finely ground green tea whisked into water, so you drink the powdered leaf as well.
Can you drink unsweetened green tea on an empty stomach?
Yes, but it can cause nausea or stomach discomfort for some people when their stomach is empty. If that happens, have unsweetened green tea with or after food instead.
Does unsweetened green tea hydrate you?
Yes, unsweetened green tea contributes to your fluid intake. It contains caffeine, but ordinary servings still provide fluid; it is sensible to drink water too rather than relying on tea alone.
Does unsweetened green tea affect iron absorption?
Yes, compounds in green tea can reduce absorption of non-heme iron, the type found in plant foods. Have it between meals rather than alongside an iron-rich meal if iron absorption is a concern.
Can you make cold-brew unsweetened green tea?
Yes, steep green tea leaves in cold water in the refrigerator, then strain them out. Cold brewing usually produces a gentler, less bitter taste than using hot water and chilling the tea afterward.
Does unsweetened green tea break a fast?
Plain unsweetened green tea is generally allowed during calorie-free intermittent fasting because it contains virtually no energy. A strict water-only fast is different, so follow the rules of the fast you are observing.
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Nutrition data compiled from USDA FoodData Central and scientific sources.