Kombucha Caffeine Content
10-25 mg per cup
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How does Kombucha compare?
Factors Affecting Caffeine Content
Brew Time
Longer steeping times extract more caffeine. A 1-minute steep may yield half the caffeine of a 5-minute steep.
Water Temperature
Hotter water extracts caffeine more quickly. Boiling water releases caffeine faster than cooler temperatures.
Leaf Amount
Using more tea leaves per cup increases caffeine content proportionally. Standard is 2-3 grams per 240ml cup.
Leaf Grade
Young buds and leaf tips contain more caffeine than mature leaves. Teas made from tips tend to be higher in caffeine.
L-Theanine Content
Caffeine (mg/cup)
10-25 mg
L-Theanine (mg/cup)
2-8 mg
Caffeine to L-Theanine ratio
0.4:1
L-theanine works synergistically with caffeine to promote calm alertness without jitters.
Best Time to Drink
Can be enjoyed any time, including evening
Very low caffeine content means most people can enjoy this tea at any time, including evening.
Compare with Similar Teas
| Tea | Caffeine (mg/cup) (mg/cup) |
|---|---|
| Kombucha | 10-25 mg |
| Yuanyang (Coffee Tea) | 70-100 mg |
| Hong Kong Milk Tea (Pantyhose Tea) | 60-80 mg |
| English Breakfast Tea | 40-70 mg |
| Irish Breakfast Tea | 40-70 mg |
| Scottish Breakfast Tea | 40-70 mg |
| Karak Chai | 50-70 mg |
| Matcha Latte | 55-70 mg |
| Breakfast Blend Tea | 40-65 mg |