L carnitine improves polycystic ovary syndrome by increasing CYP11A1, estrogen receptor, and decreasing XNIP and VEGF expression Naunyn Schmiedeberg's Archives of Pharmacology Springer Nature Link L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe Estradiol treatment or modest exercise improves hepatic health and mitochondrial outcomes in female mice following ovariectomy American Journal of Physiology Endocrinology and Metabolism American Physiological Society The Science of Carnitine: How It Works and Why It Matters