Question: what is the best vitamin supplement for anxiety?
Answer: GABA. Gamma-aminobutyric acid (GABA) is an amino acid and neurotransmitter located in the brain that is crucial to serotonin production. ... 
Passionflower. ... 
Valerian Root. ... 
Licorice Root. ... 
Ashwagandha. ... 
Rhodiola.