Abstract: 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? 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.