Thorne Research: 5-Hydroxytryptophan 90's (Currently Unavailable)
SKU: TR-SA503-HI
£51.00£48.45
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5-Hydroxytryptophan 90's (Currently Unavailable)
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5-Hydroxytryptophan (5-HTP) is the intermediate metabolite the body produces when it initiates the process of converting the essential amino acid L-tryptophan to serotonin. Thorne 5-HTP is formulated with vitamin B6 for optimal activity.