Amazon.com : Gorilla Energy Drink, Mango Coconut, 200mg Natural Caffeine, Real Fruit Juice Squeezed & Concentrated, L Theanine, Taurine, Ginseng, Acetyl L Carnitine, No Added Sugar and No Artificial Colors, 12 Pack : Grocery Our Carnitine product, Gorilla Mode AR (androgen receptor) is now restocked! L carnitine supplementation is most advantageous for those with a deficiency. One of the more recently elucidated mechanisms by which it works NutraBio L Carnitine Green Apple Speed Gorilla Shred Zero Sugar. Contains L carnitine, a nutrient commonly used by athletes to prevent muscle fatigue and burn fat. Best time to use pre workout or during workout