Are these supplements too much for PCOS weight loss? Taurine, Caffeine, L Carnitine, Inositol, Lycopene, Amino Acid, Ginseng Extract, Zinc with Multivitamin Sachet Sunbio Molecules Ferselle Largen Med Inc., 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.