Medical Muscle Performance Horse Supplement Power, Endurance, Recovery FullBucket Health 1 Jar Equimins L Carnitine Liquid 250ml Iron Horse L Carnitine supplement for horses and dogs L Carnitine is amino acid supplement that enhances energy production in performance horses. It works through 6 ways: Muscle level of L Carnitine influence the exercise capacity of a horse. L L Carnitine Common Equine Supplement Ingredients Explained AskAnimalweb Supplementation for more than a week with L carnitine has the potential to increase carnitine in horses' muscles. This increase could improve the transportation of fatty acids into mitochondria to be used for