"Glucose intolerance usually develops when the body, flooded with large amounts of sugar, responds with inflammation. The sugar either stays in the bloodstream and causes more high blood sugar (and eventually diabetes) OR it is stored as fat. Dr. Elinav theorizes that certain bacteria react to the chemical sweeteners by secreting substances which also provoke an inflammatory response. ... gluten intolerance."
Carbohydrate Intolerance Fact Sheet | Treatment of fructose intolerance includes limiting or eliminating fructose and sucrose from the diet. Remember sucrose becomes fructose (and glucose) during digestion. Fructose tolerance dictates how strict the diet needs to be. A barrier to managing fructose intolerance is figuring out the fructose content in foods and beverages. (Table 5)
Chart for Fructose Malabsorption Sufferers: Sugar and Glucose is better than Honey, Guava, and HFCS. Guava is worse than honey, and honey is worse than hfcs with fructose content. Beware of the "health" sugars!