Xylose Testing
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Dados do National Institutes of Health
| Xylose Testing : What is a xylose test? Xylose, also known as D-xylose, is a type of sugar (carbohydrate) that is normally easily absorbed by your intestines. A xylose test checks the level of xylose in both your blood and urine to see how well you absorb carbohydrates. Usually, your body digests in stages. The proteins, fats, and carbohydrates in the food you eat are: - Broken down in the stomach by acid and enzymes (proteins that speed up certain chemical reactions in your body) - Broken down further in your small intestines by pancreatic enzymes and bile (liquid made in your liver to help digest fats) - Absorbed into your intestines to be used or stored If you don't have enough bile or pancreatic enzymes, the carbohydrates and other foods you eat can't be digested well. Lower-than-normal xylose levels can mean there is a problem with your body's ability to absorb nutrients. Xylose testing is no longer routinely ordered to check for malabsorption, and it may not be available everywhere. This test may be ordered as a follow-up test to other tests, such as a fecal fat test. Other names: xylose tolerance test, xylose absorption test, D-xylose tolerance test, D-xylose absorption test | |
| Review Date: 21/08/2024 | Updated By: |