NOW Foods L-Tryptophan

NOW Foods

Sale price $19.80 Regular price $22.00

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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.