In the context of emotional responses, gamma-aminobutyric acid (GABA) plays an important role in symptoms.

Anxiety

Explanation:

Gamma-aminobutyric acid (GABA) is a natural  amino acid that works as inhibitory neurotransmitter in brain. It blocks the certain neuron signals by binding to GABA receptors in brain and decrease the activity of nervous system producing the calming effect.

You feel relaxed after drinking alcohol because it binds to GABA receptors.  GABA is present in only few fermented foods that's why GABA supplements are popularly used these days. Antidepression drugs like Xanax are also GABA activators. These supplements help in stress, depression, seizures, sleeping disorders and other condition associated with them.