Plasma TMAO levels (A), Plasma acetate concentrations (B). Values are displayed as mean ± S.D (n = 5) mice. Statistical analysis was done using two-way ANOVA followed by Tukey post-test *p < 0.05 vs. IH-FMT-PRO, #p < 0.05 vs. RA-FMT, $p < 0.05 vs. RA-FMT-PRO. FMT: fecal matter transplantation, IH: intermittent hypoxia, PRO: probiotic, RA: room air, TMAO: trimethylamine N-oxide, VEH: vehicle