Cheryl, some people believe honey, red delicious apples, and apple cider vinegar are good natural treatments for GERD. The honey protects the throat and esophagus. Be careful with the ACV, though. It works well for some and for some it causes more burn. You mix 1 tablespoon in a cup of warm water and honey.
A good naturopath would probably prescribe one or more of the following:
Rhizinate (to protect stomach lining),
Acidophilus (priobitic to promote good gut bacteria),
Some form of digestive enzyme.
These are just suggestions, and not intended to replace the advice of your M.D. Are there any naturopaths in your area who might be able to help? These docs specifically try to find non-synthetic alternatives to treat a patient's condition.