L-tryptophan is an essential amino acid (protein building block) in human nutrition. Essential amino acids are not synthesized by the body and must be obtained in the diet.
The L-tryptophan in this product is manufactured and tested for purity according to the Japanese Pharmacopeia (JP) and the United States Pharmacopeia (USP) standards.
Adult Use: Take 1 or 2 capsules daily, or as directed by a health practitioner. For optimum absorption, take separately from protein-containing foods and dietary supplements containing protein or amino acids.
Modified cellulose (vegetarian capsule), cellulose, magnesium stearate (vegetable source), silicon dioxide.
Contains nothing other than listed ingredients
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