NOW   L-Tryptophan Perspective: Main

NOW L-Tryptophan

1000 mg - 60 TabletsUPC: 0073373900169
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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.

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