NOW Foods L-Tryptophan Relaxation Support Capsules, 500mg, 60 Ct

L-Tryptophan is an essential amino acid; therefore, it is not synthesized by the body anbd 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.* Every lot of NOW® L-Tryptophan is tested to be system function.* Every lot of NOW® L-Tryptophan is tested to be free of Peak E and microbial contamination. NOW Foods NOW Foods L-Tryptophan 500 mg 500 mg 60 Vcaps Gluten Free