Ana María Lajusticia Tryptophan with Melatonin + Magnesium and Vitamin B6 is a food supplement that contributes towards improving rest and the circadian rhythm of the body and mind, supporting the function of the nervous system. Formulated with a unique combination of ingredients, Ana María Lajusticia Tryptophan with Melatonin + Magnesium and Vitamin B6 stimulates the synthesis of serotonin and endogenous melatonin.