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biological

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5-hydroxytryptophan

5-hydroxytryptophan 5-hydroxytryptophan is a biological substance made from tryptophan that directly precedes serotonin in the body’s serotonin production pathway.

5-hydroxytryptophan is a biological substance made from tryptophan that directly precedes serotonin in the body’s serotonin production pathway. It has also been used for antidepressant and antiepileptic purposes.