Alpha-Theta PM™ supplies key nutrients recognized to induce calming brainwave activity and to promote the onset and duration of high-quality sleep. The melatonin-free formula includes well-researched anxiolytic botanicals and nutrients such as L-theanine (Suntheanine®), Baikal Skullcap (Scutellaria baicalensis), Lemon Balm (Melissa officinalis) and Passionflower (Passiflora caerulea), 5-HTP and vitamin B6, which together help support GABA receptor function and healthy levels of serotonin and dopamine.