Xylose isomerase
Introduction to Xylose Isomerase
Xylose isomerase is an enzyme that plays a vital role in breaking down specific types of sugars. Known for its ability to convert fructose into glucose, this enzyme is particularly valuable for individuals who experience difficulties digesting fructose. Often marketed as a xylose isomerase supplement, this enzyme offers digestive support and can help reduce symptoms of fructose malabsorption.*
What is Xylose Isomerase?
Xylose isomerase functions as a catalytic enzyme, meaning it facilitates the conversion of one sugar type into another. Specifically, it transforms xylose and fructose into glucose, a sugar that the human body absorbs more efficiently. This process makes the enzyme especially useful for those with fructose malabsorption, a condition in which the body struggles to process fructose.
Xylose Isomerase in Fructose Intolerance
Fructose intolerance or fructose malabsorption can lead to digestive issues such as bloating, gas, and abdominal pain. When fructose is not properly absorbed in the intestine, it ferments, causing these unpleasant symptoms. The enzyme xylose isomerase addresses this issue by converting fructose to glucose which can help reduce symptoms.*
Sources of Xylose Isomerase Supplements
Xylose isomerase supplements are readily available in various forms, including tablets and capsules. When selecting a supplement, it’s important to consider dosage instructions and specific product recommendations to ensure optimal effectiveness. Generally, these supplements should be taken just before consuming fructose-containing foods. This timing allows the enzyme to act immediately, aiding in the conversion of fructose and helping to reduce potential digestive discomfort. To make an informed choice on where to buy xylose isomerase, look for reputable brands that specialize in digestive health and enzyme supplements (like Intoleran). Try Xylose Isomerase risk-free with a simple-to-use testpack!
Benefits of Xylose Isomerase Supplements
Xylose isomerase supplements can help reduce uncomfortable symptoms of fructose intolerance. By aiding in fructose digestion, these supplements can help reduce bloating, abdominal pain, and other related issues, allowing individuals to expand their dietary options.*
Potential Side Effects and Precautions
While xylose isomerase supplements are generally safe, some users may experience mild side effects. Potential xylose isomerase side effects include minor gastrointestinal discomfort, though these instances are rare and typically mild. As with any supplement, it’s important to exercise caution, especially if you have other digestive disorders. Consulting with a healthcare provider before beginning a new supplement regimen is recommended to ensure it aligns with your specific health needs. You can contact one of our specialized dietitians here.
When to Consider Xylose Isomerase Supplements
If you experience persistent symptoms of fructose intolerance, such as bloating, gas, or abdominal pain after consuming fructose-rich foods, it may be worthwhile to consider a xylose isomerase supplement. These supplements are beneficial for those who struggle with regular fructose digestion issues, providing an effective solution that can alleviate symptoms and improve digestive comfort. Before starting any supplement, it’s advisable to consult a healthcare provider for guidance on proper dosage and to confirm the diagnosis of fructose intolerance.
You can read more about the topic in our knowledge bank or you can contact one of our dieticians for personalized advice. If you don’t know where your symptoms come from, you can take the intolerance test for more information.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.