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Product Description
L-Tryptophan U.S.P. 500mg Tryptophan is an essential amino acid which is the precursor to the sleep-inducing neurotransmitter Serotonin, and the appetite inhibiting hormone CCK. Serotonin is deficient in depression. Each capsule of Amino Acid & Botanical L-Tryptophan has 500 mg. of the highest quality pure L-Tryptophan U.S.P. & is produced at a pharmaceutical GMP facility.
