What Is Sugar Sensitivity and How Is It Related to CSID?

What Is Sugar Sensitivity and How Is It Related to CSID?

Identifying foods that trigger gastrointestinal symptoms can be very challenging. Perhaps you have noticed that if you eat a certain food, a gastrointestinal symptom occurs. But maybe you are unable to identify the offending food because your diet is varied, and it’s difficult to keep track. One of those foods that trigger gastrointestinal symptoms is sugar. There are many different types of sugar. The question is: Which type of sugar is your gut reacting to? If you are sensitive to sugar, it could be a certain type of sugar that’s causing your symptoms rather than all sugars.

What Is Sugar Sensitivity?

A sensitivity to sugar can occur upon ingestion of various types of sugar. The many different types of sugars include fructose, lactose, sucrose, glucose, maltose, and galactose. Fructose, glucose, and galactose are monosaccharides, a single simple sugar molecule. Sucrose, maltose, and lactose are disaccharides, two sugar molecules linked together by a bond. During digestion, the bond between the two sugar molecules must be split.

For someone with a sugar sensitivity, gastrointestinal symptoms can occur after the ingestion of monosaccharides or disaccharides. The main types of sugar that cause gastrointestinal symptoms are sucrose, lactose, and fructose. The symptoms of a sugar sensitivity include bloating, gas, abdominal pain, and diarrhea upon ingesting an offending food. The severity of symptoms can range, depending on how much of the problematic sugar is consumed.

What Is CSID?

Congenital Sucrase-Isomaltase Deficiency (CSID) is a sugar sensitivity that is triggered by the consumption of only two of the sugars mentioned above: sucrose and maltose. During digestion, sucrose, also known as table sugar, is normally broken down into two sugar molecules known as glucose and fructose while maltose, is broken down into two separate molecules of glucose. An individual with CSID, also known as Sucrose Intolerance, is unable to split the molecules of sucrose and maltose due to the lack of needed enzyme in the small intestine.

The symptoms of CSID vary, but typically include watery diarrhea, abdominal pain, gas, and bloating. Although an individual with CSID cannot tolerate sucrose and maltose, they can usually, although not always, tolerate other types of sugars like fructose and lactose. In some individuals, the severity of symptoms may be milder than they are for other individuals. As the symptoms of CSID are similar to other, more common, diseases, individuals with CSID may often be misdiagnosed.

If you think you have a sensitivity to sugar be sure to talk with your physician or a registered dietitian to learn more about both of these conditions.

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Sucrose Intolerance May Be More Common Than You Think