Key ingredients Taurine: Neuroprotective amino acid that provides antioxidant protection and demonstrates GABA-A agonist activity (1-3).* GABA is the primary inhibitory neurotransmitter in the brain important for calm and sleep (4-6). L-theanine: Amino acid that acts as a glutamate receptor antagonist (7)*. In a randomized, double-blind, placebo-controlled study, L-theanine was shown to significantly reduce stress (8)*. 5-HTP (from Griffonia simplicifolia seed extract): 5-hydroxytryptophan (5-HTP) crosses the blood-brain barrier and is a precursor to serotonin and melatonin (9).* Serotonin is important for regulating mood and sleep-wake function (10). In a randomized, double-blind study, 5-HTP was shown to significantly improve mood (11).* Vitamins B and C: Active forms of vitamin B6, folate, B12, and C are important for serotonin synthesis (12-16).* *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.