L-TRYPTOPHAN 500 MG 60 VEG. CAPS. (NOW)

L-Tryptophan is an essential amino acid; therefore it is not synthesized by the body and must be obtained from the diet. L-Tryptophan is critical for the production of serotonin and melatonin which help to support a positive mood healthy sleep patterns and proper immune system function. Take 1-2 capsules 2 to 3 times daily on an empty stomach with final dose at bedtime or as directed by your physician.