By Vijay Kumar Malesu Reviewed by Susha Cheriyedath, M.Sc. Nov 19 2025 A new synthesis of randomized trials reveals that a carefully supervised very low-carbohydrate ketogenic diet can improve weight, insulin control, and androgen levels in women with PCOS, offering short-term clinical gains while underscoring the need for longer-term safety data. Study: Effects of the very low-carbohydrate ketogenic diet in women with Polycystic Ovary Syndrome: a systematic review with meta-analysis of