People suffering chronic indigestion (functional dyspepsia) may find relief in the dietary supplement melatonin. In 60 patients with functional dyspepsia and no Helicobacter pylori infection, the majority of those who took 5 mg of melatonin per day over 12 weeks reported their symptoms either completely subsided or improved with regard to frequency and intensity of nocturnal pain.
Source: J Clin Gastroenterol, 2007; 41(3): 270-4
