L-Tryptophan, for Mood, Relaxation, and Sleep*, 500mg - 120 Tablets

WHO TO USE: Please see manufacturer's label for instructions Ingredients: Please see manufacturer's label for instructions It produces melatonin in the body to support natural, restful sleep. Supports serotonin production for positive outlook and good mood. Melatonin is a hormone and regulates the body’s wake and sleep cycle. Serotonin is a neurotransmitter and is involved with mood and stress response. • The essential amino acid L-tryptophan is the precursor of two natural compounds of great importance. • Also converts to niacin in the body when necessary, which helps metabolize food. • Over 40 Years of Trust. Source Naturals was created in 1982 by CEO Ira Goldberg to support each individual's potential to enjoy optimal health. • Manufactured in the USA. Manufactured in Scotts Valley, CA, under the Good Manufacturing Practices (cGMPs) established by the US Food and Drug Administration (FDA).