
Now Foods 5-HTP 200 mg Plus 120.0 Vcaps
NOW® Double Strength 5-HTP has twice the 5-HTP (200 mg per capsule) as in our regular strength product (100 mg per capsule). 5-HTP, the intermediate metabolite between the amino acid L-tryptophan and serotonin, is extracted from the bean of an African plant (Griffonia simplicifolia).
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