The present invention provides a composition which comprises olive oil, trimethylglycine and xylitol for the treatment of xerostomy and disorders associated therewith, with very good results of increase in non-stimulated saliva flow, of relief of xerostomy symptoms, including the pain associated with xerostomy and also improvement in the quality of life of affected persons. The composition as per the invention has also been shown to protect dentin from demineralization in acid conditions.
