If you have PCOS and struggle with stubborn weight that won't move no matter what you try, L carnitine is one of the most underrated things you can look into. It helps your body actually use stored Acetyl L Carnitine 500 mg A Functional Medicine Approach to PCOS Acetyl l Carnitine Ameliorates Metabolic and Endocrine Alterations in Women with PCOS: A Double Blind Randomized Clinical Trial Advances in Therapy Springer Nature Link