The D-xylose tolerance tests measure the intestines' ability to absorb D-xylose, a simple sugar, as an indicator of whether nutrients are being properly absorbed.
Review Date:
7/22/2008
Reviewed By:
Frank A. Greco, M.D., Ph.D., Director, Biophysical Laboratory, The Lahey Clinic, Burlington, MA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.