Nature's Bounty Acetyl L Carnitine HCl 400mg (30 Capsules) Manmohni 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. PDF) History of L carnitine: Implications for renal disease Adipocyte Regulation of Insulin Sensitivity and the Risk of Type 2 Diabetes New England Journal of Medicine High Triglycerides Linus Pauling Institute Oregon State University