L-Tryptophan douglas_5 5 mg vitexin
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L-Tryptophan douglas_5 5 mg vitexinL Tryptophan is an essential amino acid and a precursor for the synthesis of serotonin. Tryptophan crosses the blood brain barrier and is converted to L 5 hydroxytryptophan (5 HTP), which in turn is converted into serotonin. Serotonin is an important neurotransmitter necessary for the regulation of appetite, mood, and melatonin production.
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