The Griffonia simplicifolia seed, part of an African vegetable, yields Griffonia extract containing a concentration of 30 percent 5-HydroxyTryptophan (5-HTP). 5-HTP is an amino acid that is a direct precursor of serotonin, an important neurotransmitter having pain soothing and relaxing effects. It is not present in significant amounts in a typical diet. The human body manufactures it from L-tryptophan, a natural amino acid found in most dietary proteins. However, eating food that contains L-tryptophan does not significantly increase 5-HTP levels.
5-HTP is an amino acid that is the intermediate step between tryptophan and the important brain chemical serotonin...
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