It's involved in a host of metabolic actions throughout the body, but it tends to decline with age. (sciencedaily.com)
Probiotics are a mixture of non-pathogenic bacteria, often containing Lactobacillus, which can change intestinal pathobiology by preventing enteric infections, modifying metabolic actions of intestinal bacteria, and promoting nutrition. (epi4dogs.com)
In the new study, the researchers analyzed the metabolites — molecules produced by the gut's natural metabolic action — in the mice's urine and feces. (sciencedaily.com)