Sign up for our Newsletter!

Home > Health Care Professionals > SITZMARKSĀ®


Sitzmarks is a colonic transit diagnostic test that helps physicians select the best therapeutic option for adult patients with severe constipation who have otherwise negative GI evaluations. The Sitzmarks test can help physicians diagnose hypomotility, colonic inertia and functional outlet obstruction.

For complete information on Sitzmarks and why it is the most effective, affordable and convenient colonic diagnostic test, log onto You can also download valuable patient information, listen to an instructional video, request samples and order product.