Promotes relaxation and sleep</br>Helps provide a positive mood</br>Amino acid essential for brain serotonin and melatonin production</br>Thorne products contain ingredients from the purest sources worldwide. Flavors?? colors?? preservatives?? and sweeteners derived from natural sources. Our products never contain gluten?? Genetically Modified Organisms (known as GMOs)?? artificial preservatives?? stearates?? wheat?? rye?? barley?? eggs?? or nuts. This product does not contain dairy?? soy?? corn?? yeast?? sugar?? or magnesium stearate.</br></br>Product Description</br></br>Precursor to serotonin?? melatonin?? and niacin production. <p><p> Since 1984?? Thorne has set the standard for the exceptional formulation and quality manufacturing of nutritional supplements. Thorne delivers premium?? science-based products?? a health diagnostics technology platform?? and the latest in medical education. With