50 mg 5-HTP has been determined to be a bio chemical precurser to the neurotransmitter serotonin, and also to the circadian rhythm regulator melatonin.
Excessive dosages may cause drowsiness. Caution: Seek physician?s advice before using if pregnant or lactating. Do not use if concurrently taking MAO inhibitor or other antidepressants. Do not use for cases of severe depression. Not for use by preadolescent children.