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Betaine hydrochloride is found in some foods and plants. It can be taken as a pill. It has been used to help produce stomach acid.
There are no advised doses for betaine hydrochloride.
Editorial process and description of evidence categories can be found at EBSCO NAT Editorial Process.
It is likely safe to take betaine hydrochloride for a short time. Not enough studies have been done to say whether it is safe to use for a long period.
Talk to your doctor about any supplements or therapy you would like to use. Some can interfere with treatment or make conditions worse.
A1. López-Jornet P, Camacho-Alonso F, et al. Evaluation of the clinical efficacy of a betaine-containing mouthwash and an intraoral device for the treatment of dry mouth. J Oral Pathol Med. 2012 Mar;41(3):201-206.
Last reviewed July 2019 by EBSCO NAT Review Board Eric Hurwitz, DC Last Updated: 9/9/2019