Ingredients & DescriptionSource Naturals L-Tryptophan (120 Caps) is an essential amino acid supplement which is a precursor to both serotonin and melatonin. While it is a precursor to both serotonin and melatonin which both are hormoes involved in stress and mood response, it also plays a part in their synthesis. Tryptophan is also the precursor to kynurenines, which is used to regulate the body's immunity. Meanwhile, tryptophan can also be used by the body to convert to niacin, which promotes a healthy nervous system, efficient metabolism and production of hydrochloric acid. This Source Naturals L-Tryptophan is tested regularly to ensure safety, high standards and purity.
Contains L-Tryptophan, Gelatin, Collodial Silicon Dioxide and Magnesium Stearate. Take 3 capsules per serving. Contains 120 capsules per container.
Serving size: 500 mg in each capsule
*Not intended to diagnose or treat diseases or ailments, and is not reviewed by the FDA.Uses & Indications.