6 potential benefits of l carnitine Good Food Unlock Peak Performance & Fertility with L Carnitine! Did you know that injectable L Carnitine is a game changer compared to oral supplements? While oral L Carnitine has low bioavailability (only ~14 18% Carnitine traffic and human fertility 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. L Carnitine Supplements Nature's Best The Role of Carnitine in the Male Reproductive System NG 2004 Annals of the New York Academy of Sciences Wiley Online Library