5-Hydroxytryptophan (5-HTP) – Supplement Profile 5-HTP is the intermediate metabolite in the serotonin pathway. The amino acid L-tryptophan converts into 5-Hydroxytryptophan and then 5-HTP converts directly into the important neurotransmitter serotonin. Serotonin is a key factor in determining sleep, appetite, mood, and other body functions including pain control. Basically the direct precursor to serotonin. Some […]

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