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Definition Page for DrumLib's Health Research Review:
5 alpha-reductase
An enzyme that converts testosterone into dihydrotestosterone.
5-HIAA
5-hydroxyindoleacetic acid (high-DROK-see-IN-dole-ah-SEE-tik)
A metabolite of serotonin (5-HT).
5-HTP
5-hydroxytryptophan (high-DROK-see-TRIP-toe-fan)
The amino acid tryptophan is
converted into 5-HTP, which is converted into serotonin
(5-HT).