Irritable Bowel Syndrome Message Boards | Re: FODMAPS and Total Fructose Load

There was speculation in the research literature that total fructose load should be considered as well as the amount of fructose in excess of glucose. However, this idea has not been confirmed and there is little if any evidence that the GLUT2 transporters system can be easily overloaded. It is possible that if the total fructose load is excessively high then it might be a problem. However, generally speaking it is not something that needs to be considered unless you are eating excessive amounts of sucrose which in and of itself can have other health implications.

The second reference in my signature is where the concept of total fructose loads was introduced. Here is what the authors had to say. "Foods and beverages containing > 0.5 g fructose in excess of glucose per 100 g, > 3 g fructose in an average serving quantity regardless of glucose intake (termed 'high fructose load'), and > 0.2 g of fructans per serve were considered at-risk of inducing symptoms. The concept of a 'high fructose load' has not been evaluated in terms of its importance in the success of the diet."

I am very sensitive to excess fructose. I have tried some very high loads of sucrose and not experienced any problems. It is not likely that you have to consider the total fructose load and if you did it then you have consider total fructose load for each meal not for the overall load from meals in a day.

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