L-Tryptophan, 500mg

Description

? Premium Grade
? Encourages Positive Mood
? Promotes Restful Sleep*
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.* Every lot of NOW? L-Tryptophan is tested to be free of Peak E and microbial contamination.