https://www.sciencedaily.com/releases/2 ... 200318.htm
RosieA new study in Experimental Physiology proposes a novel, non-invasive test for assessing gut function that may help screen and monitor treatment of gut diseases using only a small sample (1 mL) of blood and stool. In those with IBD, and other intestinal diseases, the gut-blood barrier is impaired. Here the intestinal wall is more like a ripped sieve, allowing more bacterial products to pass from the gut into the blood. This is commonly referred to as a leaky gut. This test measures the concentration of gut bacterial products (produced by bacteria during metabolism) in the patient's blood and stool.