Caffeine in Earl Grey Tea vs Irish Breakfast Tea
Serving Size in USA
  
  
Tall (12 floz)
Not Available
  
Grande (16 floz)
Not Available
  
Venti (20 floz)
Not Available
  
Serving Size in UK
  
  
Tall (354 ml)
Not Available
  
Grande (473 ml)
Not Available
  
Venti (591 ml)
Not Available
  
Caffeine Level
Moderate
  
Moderate
  
Safe Level
400.00 mg
  
400.00 mg
  
Harmful Level
500.00 mg
  
500.00 mg
  
Effects of Caffeine
Anxiety disorder, Irritability, Sleeping Crisis
  
Anxiety disorder, Blood pressure, Heart palpitations, Insomnia
  
Earl Grey Tea vs Irish Breakfast 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 Earl Grey Tea vs Irish Breakfast Tea caffeine content in the following sections. However Earl Grey Tea Caffeine levels and Irish Breakfast 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 Earl Grey Tea vs Irish Breakfast Tea, their side effects and benefits.