Nutritional supplement. State of mind, leisure, rest. The necessary amino acid L-Tryptophan helps sustain leisure, relaxing rest, and also feeling much better. It figures in in the synthesis of both melatonin and serotonin, hormonal agents included with mood as well as tension response. L-Tryptophan also assists immune features considering that it is the body's forerunner to the kynurenines that manage resistance. If required, L-Tryptophan converts to niacin in the body, which assists blood circulation, a healthy nervous system, the metabolism of food, and also the production of hydrochloric acid for the digestive system. Resource Naturals L-Tryptophan is exceptionally pure and is consistently checked to make sure the greatest specifications of top quality. (These statements have actually not been reviewed by the Food and Drug Administration. This product is not planned to diagnose, treat, heal or protect against any sort of illness.) Hypoallergenic: Contains no yeast, milk, egg, starch, salt, preservatives, or artificial shade, flavor or scent.