D-5-Hydroxytryptophan (D-5-HTP) is the D-isomers of 5-HTP, and can be isolated from DL-5-hydroxytryptophan by successive separations[1].
[1]. J Arendt, et al. Alternative pathways of 5-hydroxyindole metabolism. II. The role transamination in the metabolism of D-5-hydroxytryptophan in the rat. Biochem Pharmacol. 1967 Mar;16(3):419-22.
















