l Carnitine supplementation reduces oxidized LDL cholesterol in patients with diabetes The American Journal of Clinical Nutrition L Carnitine Linus Pauling Institute Oregon State University Fat Loss Combo Ginnastic Nutrition Metabolites as regulators of insulin sensitivity and metabolism Nature Reviews Molecular Cell Biology L carnitine exerts a nutrigenomic effect via direct modulation of nuclear receptor signaling in adipocytes, hepatocytes and SKMC, demonstrating its nutritional impact ScienceDirect 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.