In comparison with the PCOS-IR group, INS and FBG, as well as HOMA-IR, were significantly lower in the PCOS-IR+GPR120, PCOS-IR+LrB (40 mg/kg), and PCOS-IR+LrB (20 mg/kg) groups (Figure 6A,C). Here, FFAR4 is linked to polycystic ovary syndrome.