Adding L carnitine to antagonist ovarian stimulation doesn't improve the outcomes of IVF ICSI cycle in patients with polycystic ovarian syndrome: a double blind randomized clinical trial Journal of Ovarian Research Springer PCOS Complete PCOS & PCOD Supplement for Women There's a reason L carnitine keeps showing up in PCOS research Because PCOS is closely tied to insulin resistance, inflammation, and metabolic dysfunctionand L carnitine plays a role in energy metabolism and fat utilization. Managing weight with PCOS is always a challenge so I recently added This L carnitine in my daily intake and it helps to supports fat metabolism giving you more energy to burn fat and delay fatigue