Caffeine in Black Tea vs Green Tea

Black Tea

Green Tea

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1 Caffeine

1.1 Caffeine Content

47.00 mg25.00 mg

0 300

1.2 Serving Size in USA

1.2.1 Short (8 floz)

47.00 mg25.00 mg

0 265

1.2.2 Tall (12 floz)

NANA

0 300

1.2.3 Grande (16 floz)

NANA

0 330

1.2.4 Venti (20 floz)

NANA

0 415

1.3 Serving Size in UK

1.3.1 Short (236 ml)

47.00 mg25.00 mg

0 265

1.3.2 Tall (354 ml)

NANA

0 300

1.3.3 Grande (473 ml)

NANA

0 320

1.3.4 Venti (591 ml)

NANA

0 405

1.4 Caffeine Level

Low

Very low

1.4.1 Safe Level

300.00 mg400.00 mg

0 400

1.4.2 Harmful Level

500.00 mg500.00 mg

0 500

1.5 Effects of Caffeine

Confusion, Hypokalemia, Insomnia, Muscle tremors, Sleeping Crisis

Dizziness, Fever, Headache, Muscle twitching

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Black Tea vs Green 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 Black Tea vs Green Tea caffeine content in the following sections. However Black Tea Caffeine levels and Green 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 Black Tea vs Green Tea, their side effects and benefits.