in Chinese medicine, since the kidneys are associated with anxiety, they would work on the kidneys with herbs and acupuncture, in ayurvedic medicine they would also do
cleansing and then support for the adrenals
and the liver. There are many different traditions; then, 5htp, an amino acid that produces serotonin in the body, taurine, which produces GABA in the body; tyrosine, which produces serotonin and norepinephrine in the body; perhaps glycine, which produces glutamate in the body.