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. Carnitine has a central role in fat metabolism. During the overnight fasted state and in exercise performed at low to moderate intensity, long chain fatty acids serve as the primary energy source for Bricker Labs CARNIBLAST Liquid L Carnitine 3000mg plus GBB Protocol For Life Balance Acetyl L Carnitine 500 mg 100 Veg Capsules Vitacost