* [[Apple cider vinegar]] : One study found that eating vinegar was associated with a decreased risk of esophageal cancer.
* [[Folic Acid]] : A lack of folic acid in the diet has been linked to increased incidence of a number of cancers, including colon, cervix, rectum, lung, brain, pancreas and esophageal cancers, according to the Linus Pauling Institute at Oregon State University.
* [[Apples ]] : An apple-derived procyanidin has been found to suppress esophageal cancer.* [[Jiaogulan]] has shown activity against esophageal, breast, uterus, prostate, brain, kidney, thymus and skin cancer.
== Warnings ==