Jianpi Biyan formula ameliorates spleen-deficiency-type allergic rhinitis and modulates the gut–nose axis: Integrated evidence from gut microbiota, SCFA metabolism, and TLR4/NF-κB signaling
The Jianpi Biyan formula (JPBY) is a modern Chinese herbal compound derived from the classic Qing Dynasty formula “Jiegeng Yuanshen Decoction.” It is primarily used to treat allergic rhinitis (AR) with spleen deficiency as the core pathogenesis and has demonstrated good clinical efficacy; however, its modern biological...