Supplementation with F. prausnitzii in CKD mice increases short‐chain fatty acids (SCFAs), reduces serum levels of various uremic toxins, and improves renal microinflammation and renal fibrosis via G‐protein‐coupled receptor 43 (GPR43) (Li, Xu, et al. 2022). Here, FFAR2 is linked to renal fibrosis.