15 Mar 2019 --- Although the use of probiotics for gut health has proliferated among consumers, the complexity of these microbes and the microbiome can leave researchers unsure of how to produce predictable and long-lasting changes for the better. New research from the University of Wisconsin-Madison hopes to address this complexity through the development of a microbe community named THOR which should enable the researchers to understand the microbiome better by investigating the close relationships between strains, for example.