L-Tryptophan functions as a biochemical precursor for Serotonin. As such it has been demonstrated to be an effective antidepressant and sleep aid, and everything associated with low serotonin levels such as premenstrual dysphoric disorder and seasonal affective disorder. Tryptophan has shown to be of considerable efficacy in supporting other antidepressant drugs. Find out more about this product by calling us at 1-800-497-3742.
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