L-TryptophanItem Description L Tryptophan acts as the precursor to the neurotransmitter serotonin and supports healthy serotonin synthesis. Supplementation with tryptophan has been shown in numerous clinical trials to be safe, well tolerated and to support healthy mood and relaxation in addition to optimizing normal sleeping patterns and soothing occasional sleeplessness.* Product Info Serving Size: 4 Vegetable Capsule Servings Per Container: 22 Disclaimer: We
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