Fructose

A type of FODMAP called fructose is a simple sugar that may be found in fruits, vegetables, and sweeteners like honey, agave, and high-fructose corn syrup. Fructose consumption has increased significantly over the past forty years, mainly from sugar-sweetened beverages, and has been associated with an increase in obesity, liver disease, and heart disease.

In addition to a rise in diseases linked to fructose, fructose intolerance and malabsorption have also increased. In people with fructose intolerance, fructose absorption into the blood is inefficient. Instead, the poorly absorbed fructose makes its way to the large intestine, where gut bacteria ferment it and cause gastrointestinal pain. Fructose malabsorption symptoms include reflux, gas, diarrhea, nausea, abdominal pain, vomiting, bloating,...