Caffeine in Black Eye Coffee vs Oolong Tea
Serving Size in USA
  
  
Tall (12 floz)
Not Available
  
Grande (16 floz)
Not Available
  
Serving Size in UK
  
  
Tall (354 ml)
Not Available
  
Grande (473 ml)
Not Available
  
Caffeine Level
Extreme
  
Low
  
Safe Level
400.00 mg
  
300.00 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, Diarrhea, Irregular heartbeat
  
Black Eye Coffee vs Oolong 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 Oolong Tea caffeine content in the following sections. However Black Eye Coffee Caffeine levels and Oolong 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 Oolong Tea, their side effects and benefits.