Does adrenaline have the same effect as caffeine ?

[The Grinch]

Title

 

[BrahminBoss]

No as caffeine stimulates the thyroid gland while pure adrenaline is a substitute for under functioning thyroid

 

[Bewusst]

Caffeine is just an adenosine receptor blocker, so it makes stimulating neurotransmitters such as adrenaline and acetylcholine more available. But it doesn't possess direct stimulating effects such as coke or amphetamines