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Navigating Allergies and Food Sensitivities

Fructose Intolerance

Fructose is a simple sugar or monosaccharide which exists in most fruits and many vegetables, honey, agave syrup, brown sugar, high fructose corn syrup, beans, lentils, legumes,…. It also exists in sucrose which is a disaccharide.

There are two disorders caused by fructose:

  1. Fructose Malabsorption also known as Dietary Fructose Intolerance in which the absorption of fructose is impaired by deficient fructose carriers in the small intestine’s. As a result, excess fructose remains in the large intestine, which leads to fermentation and dehydration. Some of the symptoms of Fructose Mabsorption are IBS, nausea, vomiting, fatigue, fuzzy head, head and eye aches, and depression. This patient may be able to tolerate small amounts of fructose in their diet, but it is very unique to each individual.
  2. Hereditary Fructose Intolerance also known as Hereditary Fructosemia is a potentially fatal condition in which the patient lacks the liver enzymes to metabolize fructose. The conditions can be vomiting, hypoglycemia, jaundice, hemorrhage, enlarged liver, and possible kidney failure. Those with this condition must abstain from all fructose.

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