Caffeine in Black Eye Coffee vs Earl Grey Tea
Serving Size in USA
  
  
Short (8 floz)
Not Available
  
Grande (16 floz)
Not Available
  
Venti (20 floz)
Not Available
  
Serving Size in UK
  
  
Short (236 ml)
Not Available
  
Grande (473 ml)
Not Available
  
Venti (591 ml)
Not Available
  
Caffeine Level
Extreme
  
Moderate
  
Safe Level
400.00 mg
  
400.00 mg
  
Harmful Level
500.00 mg
  
500.00 mg
  
Effects of Caffeine
Fast heartbeat, Insomnia, Irritability, Muscle tremors, Nervousness, Restlessness, Sleep difficulties, Stomach upset
  
Anxiety disorder, Irritability, Sleeping Crisis
  
Black Eye Coffee vs Earl Grey 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 Eye Coffee vs Earl Grey Tea caffeine content in the following sections. However Black Eye Coffee Caffeine levels and Earl Grey 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 Eye Coffee vs Earl Grey Tea, their side effects and benefits.