There is a condition that prevents people from eating fruits, vegetables, and fructose-containing foods in general: it is called Hereditary Fructose Intolerance (HFI), literally hereditary fructose intolerance.
The disease is caused by a mutation in a gene called AldoB¸, which synthesizes an enzyme critical to being able to use fructose for energy in the liver. The only treatment of the disease is to follow a diet strictly free of this sugar so as to minimize its presence in the body.
Method of collection: SALIVA
While it has similar treatments, Hereditary Fructose Intolerance (HFI) should not be confused with fructose malabsorption: in fact, the latter is an often transient problem-caused by the inability of the gut to absorb the sugar that is fermented by bacteria. The test thus allows a better understanding of the origin of some gastrointestinal disorders.
The test is recommended for anyone who frequently experiences symptoms such as bloating, nausea, vomiting, diarrhea, abdominal pain and hypoglycemia after consuming fruits or foods containing fructose.