Question: what is the best vitamin for stress?
Answer: Rhodiola rosea. Rhodiola (Rhodiola rosea), is an herb that grows in the cold, mountainous regions of Russia and Asia. ... 
Melatonin. ... 
Glycine. ... 
Ashwagandha. ... 
L-theanine. ... 
B complex vitamins. ... 
Kava.