That trial measured hormone levels rather than body composition, so downstream effects on fat and lean mass are not established by it
Cunha JAM, Flynn R, Belanger C, Callaghan C, Kim Y, Jia X, et al
Food macromolecule based nanodelivery systems for enhancing the bioavailability of polyphenols
studies suggest that after a very low-calorie ketogenic diet (VLCKD), PCOS patients experienced significant improvements in body weight, body composition, metabolic markers (blood glucose, serum insulin, triglycerides, total cholesterol, and LDL cholesterol), as well as insulin resistance (102)
ROS influence proteasomal, lysosomal, and mitochondrial function, which, in turn, regulate the cellular response to oxidative damage (Schapira et al., 2014)