Search Results We have found 1 items matching your search. Order Results By Title (A-z)Title (Z-a)Date (Oldest First)Date (Newest First) More DetailsSee Best PriceAdd Favorites NOW Foods 5-htp, 50mg, 30 Capsules 5-HTP 50mg by Now Foods 30 Capsule 5-HTP 50mg 30 Capsule Product 5-HTP the intermediate metabolite between the amino acid L-tryptophan and serotonin is $4.39 Page 1 of 11