Benzodiazepine withdrawal induced anxiety is treated by administration of
an enkephalinase inhibitor, and a gamma-aminobutyric acid ("GABA")
precursor, or an endorphin or enkephalin releaser. These components
promote restoration of normal neurotransmitter function and are
non-addictive. Use of the enkephalinase inhibitor D-phenylalanine, the
GABA precursor glutamine, the serotonin precursor 5-HTP, glycine, and
taurine, in combination with coenzymatic functionality of folic acid is
preferred for activation of ligand-gated Cl.sup.- channel in the central
nervous system. Food supplement embodiments provide the human body
nutritional supplements to intake certain neurotransmitter precursor
substrates, thereby enabling patients of all ages to self-regulate their
ability to quell perturbations to equilibrium and simultaneously to
adverse effects upon normal physiological and psychological functioning
attributable to induced anxiety and panic associated with benzodiazepine
withdrawal.