hirsutismN-Acety L-Cysteine (NAC): NAC is commonly used as a safe mucolytic drug that has an Antioxidant and insulin regulatory effect in women with PCOS [38]. Metformin and NAC appear to have comparable effects on hyperandrogenism, hyperinsulinaemia and menstrual irregularity in women with PCOS [ 39]. In this study, NAC also significantly decreased the hirsutism score.