Caffeine in Irish Breakfast Tea vs Black Tea

Irish Breakfast Tea

Black Tea

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1 Caffeine

1.1 Caffeine Content

40.00 mg47.00 mg

0 300

1.2 Serving Size in USA

1.2.1 Short (8 floz)

40.00 mg47.00 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)

40.00 mg47.00 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

Moderate

Low

1.4.1 Safe Level

400.00 mg300.00 mg

0 400

1.4.2 Harmful Level

500.00 mg500.00 mg

0 500

1.5 Effects of Caffeine

Anxiety disorder, Blood pressure, Heart palpitations, Insomnia

Confusion, Hypokalemia, Insomnia, Muscle tremors, Sleeping Crisis

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Irish Breakfast 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 Irish Breakfast Tea vs Black Tea caffeine content in the following sections. However Irish Breakfast 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 Irish Breakfast Tea vs Black Tea, their side effects and benefits.