Horse Health Liquid Vitamin Iron Mineral Supplement for Horses RED HORSE Vitofarma Vernace Acetyl L Carnitine Tablet, 500 mg, 1*10 Tablets at 177 box in Nagpur Tie By Vitamin E & Selenium Supplement for Horses PBS Animal Health MAD BARN Acteyl L Carnitine Performance & Energy Metabolism Horse Powder Supplement, 2.2 lb bag Chewy.com 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 Acetyl L Carnitine HCL Powder