A low glycemic index, energy-restricted diet but not Lactobacillus rhamnosus supplementation changes fecal short-chain fatty acid and serum lipid concentrations in women with overweight or obesity and polycystic ovary syndrome.

Twenty weeks of probiotic supplementation has no additional beneficial effects on selected gut bacteria abundance, SCFA levels, or lipid profile beyond the effect of an energy-restricted diet in overweight and obese women with PCOS.