Make Low-Acid Coffee with this method. Use Espresso or Italian Roast Arabica Beans. If you want, add eggshells to lower acidity even more. Take shells off Hard Boiled eggs only, rinse, dry in oven and crush.
How to Make Low Acid Coffee. While coffee is a much-revered daily habit for many people, it does carry its own drawbacks. Coffee can stain your teeth, make you jittery and unfocused, and coffee's high acidity can irritate sensitive.
Low Acid Coffee for People with Digestive Disorders