Amazon.com: PEAKPURY Ultra Choline, Acetyl L Carnitine, Inositol & L Tyrosine Daily Supplement for Executive Focus & Metabolic Harmony 150 Capsules : Health & Household SAVE] PCOS supplements feel overwhelming? (No, you don't need ALL of these!). Read on When it comes to PCOS, supplements can be a game changerbut not every single one on the shelf is Benefits of L Carnitine for PCOS Landys Chemist Effects of Acetyl l Carnitine and Myo< Emphasis> Inositol on High Energy Phosphate 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.