Caffeine in Red Eye Coffee vs Espresso
Serving Size in USA
  
  
Grande (16 floz)
Not Available
  
Serving Size in UK
  
  
Grande (473 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, Stomach upset
  
Headache, Increased thirst, Irritability, Jitteriness, Vomiting
  
Red Eye Coffee vs Espresso Caffeine
Caffeine is one of the most used substance all over the world. Ideally it should be consumed as less as possible. Find out Red Eye Coffee vs Espresso caffeine content in the following sections. However Red Eye Coffee Caffeine levels and Espresso 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 Red Eye Coffee vs Espresso, their side effects and benefits.