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Oolong Tea
Oolong Tea

Black Tea
Black Tea



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Oolong Tea
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Black Tea

Caffeine in Oolong Tea vs Black Tea

Caffeine

Caffeine Content

40.00 mg47.00 mg
0 300
👆🏻

Serving Size in USA

Short (8 floz)

-47.00 mg
0 265
👆🏻

Tall (12 floz)

38.00 mg40.00 mg
0 300
👆🏻

Grande (16 floz)

40.00 mg-
0 415
👆🏻

Venti (20 floz)

-50.00 mg
0 470
👆🏻

Serving Size in UK

Short (236 ml)

37.00 mg47.00 mg
0 280
👆🏻

Tall (354 ml)

40.00 mg40.00 mg
0 300
👆🏻

Grande (473 ml)

40.00 mg-
0 473
👆🏻

Venti (591 ml)

-70.00 mg
0 475
👆🏻

Caffeine Level

Low
Low

Safe Level

300.00 mg300.00 mg
0 400
👆🏻

Harmful Level

500.00 mg500.00 mg
0 600
👆🏻

Effects of Caffeine

Anxiety disorder, Diarrhea, Irregular heartbeat
Confusion, Hypokalemia, Insomnia, Muscle tremors, Sleeping Crisis

Oolong Tea vs Black Tea Caffeine

Caffeine is one of the most used substance all over the world. Ideally it should be consumed as less as possible. Find out Oolong Tea vs Black Tea caffeine content in the following sections. However Oolong Tea Caffeine levels and Black Tea Caffeine levels may differ with their brands, quantity of additives used, types of additives used etc. Below we have given you a generalized idea of safe levels of caffeine in Oolong Tea vs Black Tea, their side effects and benefits.