(1) A low acid, dark roast coffee bean from Simpatico or Puroast, two very popular low acid coffee brands.
(2) Use a cold water brewing process which removes less of the acid in that cup of coffee and
(3) Use Prelief! Two tabs of Prelief reduce 97.5% of the acid in a 6oz cup of coffee!!!
You can find those products and Prelief on the ICN Sales website at: http://www.icnsales.com/