Acetyl L Carnitine, ALC Green Organic Supplements Sports Performance Bulletin Other L carnitine: back on the block 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. Acetyl L Carnitine Olympian Labs Parker Naturals Concentrated L Carnitine Liquid, 5000mg All Natural Ci Parker Naturals