L carnitine supplementation for the management of fatigue in patients with hypothyroidism on levothyroxine treatment: a randomized, double blind, placebo controlled trial. Semantic Scholar The Role of L Carnitine in Kidney Disease and Related Metabolic Dysfunctions Exploring the potential anti thyroid activity of Acetyl L carnitine: Lactoperoxidase inhibition profile, iodine complexation and scavenging power against H2O2. Experimental and theoretical studies ScienceDirect Essential L Carnitine Optimal Health Systems The Role of L Carnitine in Kidney Disease and Related Metabolic Dysfunctions