A Bacteroides vulgatus metabolite, pantothenate, induces secretion of the hormones GLP1 in the gut and FGF21 in the liver, which act on the hypothalamus to reduce sugar intake.
Fayt, C., Morales Puerto, N., & Everard, A. (2025). A gut microorganism turns the dial on sugar intake. Nature microbiology, 10(2), 270-271. https://doi.org/10.1038/s41564-024-01917-1 (Original work published 2025)