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- 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.
Natural color variation may occur in this product.
|L-Tryptophan (Free-Form)||1 g (1,000 mg)||**|
California Proposition 65 WARNING:
This product can expose you to chemicals including lead which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.