A note of caution.
Sites listed here may not conform to normal "Health On the Net" guidelines of other sites.
This site's owners take no responsibility for their contents.
Whereas some phyto therapies may be found to have some beneficial effect for some sufferers of acid reflux and Barrett's Oesophagus, their use should always be discussed with your doctor to establish their safety in combination with other treatments you may already be undergoing.
Do not change your medication for a "natural alternative" without first discussing it with your doctor.
Do beware of snake-oil charlatans who are more interested in building their income than your health.
When browsing new sites, always check the bottom line. Are they promoting any products or charging for a service? You may also wish to consult Quackwatch.
This list from Quackwatch on the topic of digestion is also well worth reading.
It is also worth consulting this page from Wikipedia: List of unproven and disproven cancer treatments
The Down With Acid book / site has a chapter listing 18 "Natural Remedies" with supporting research links where available.