L Carnitine Dosage for Erectile Dysfunction: Practical Guidance and Evidence l Carnitine Supplementation in Recovery after Exercise 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 LIQUID L CARNITINE 1100 mg L Carnitine Capsules Get Leaner & Stronger If you are like a lot of people, you may have never heard of carnitine but this important nutrient is critical for our body's ability to optimally burn fat required for energy.