NOW L-Tryptophan, 220mg

by NOW Foods

L-Tryptophan is an essential amino acid that the body cannot produce and must be obtained from the diet. It serves as a precursor for serotonin (a neurotransmitter), melatonin (a neurohormone), and niacin (vitamin B3), supporting healthy sleep patterns, positive mood, and proper immune function.* Provides an essential amino acid Supports sleep health Promotes mood Helps with immune function *Discl

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Prices last synced on 2026-10-30. Confirm at the retailer before buying.

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