Fructose Intolerance

Fructose malabsorption is found in approximately 30-40% of the population of Central Europe. About half of the affected individuals show symptoms such as irritable bowel syndrome.

Consequences of fructose malabsorption include increasing osmotic load, providing substrate for rapid bacterial fermentation, changing gastrointestinal motility, promoting mucosal biofilm and altering the profile of bacteria. The clinical significance depends on the response of the bowel to such changes. Some effects of fructose malabsorption are decreased tryptophan, folic acid and zink in the blood.

People suffering from fructose intolerance often show symptoms such as bloating caused from fermentation in the small and large intestine, diarrhea and/or constipation, flatulence, stomach pain, as a result of muscle spasms which can vary from mild and chronic to acute but erratic, among others. FOODS THAT CONTAIN FRUCTOSE

Diagnosis

The diagnostic test is similar to that used to diagnose lactose intolerance. It is called a hydrogen breath test and is the method currently used for a clinical diagnosis. Restricting dietary intake of free fructose and/or fructans may provide symptom relief in a high proportion of patients with functional gut disorders.

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