Now Foods, L-Tryptophan, Double Strength, 1,000 mg, 60 Tablets

NOW Foods L-Tryptophan 1,000 mg Double Strength helps support a positive mood and restful sleep. Tryptophan is an essential amino acid needed for serotonin and melatonin production, supporting mood, sleep patterns, and immune function. Every batch is tested to be free of peak E and microbial contamination. NOW Double Strength L-Tryptophan provides 1,000 mg per tablet (twice the regular strength). ENCOURAGES POSITIVE MOOD*: Critical for serotonin and melatonin production to support mood, healthy sleep patterns, and immune function* PROMOTES RESTFUL SLEEP*: Tested to be free of peak E and microbial contamination CLASSIFICATIONS/CERTIFICATIONS: Kosher, Vegan, Non-GMO GMP Quality Assured: NPA A-rated GMP certification confirms rigorous manufacturing and testing standards Packaged in the USA by a family owned and operated company since 1968