Carnitine traffic and human fertility ScienceDirect L Carnitine: Benefits, Side Effects, And Dosage, Per Dietitians L Carnitine Injection Levocarnitine IV Acetyl L Carnitine for Erectile Dysfunction: What the Evidence Shows and How to Use It Practically Frontiers The efficacy of orally administered L carnitine in alleviating ovarian dysfunctions has laid the foundation for targeted in vivo use: a study employing self control and propensity score matching