Nutrex Research L Carnitine 3000 Premium L Carnitine Liquid Shots Stimulant Free Workout Drink Transforms Fat Into Energy and Supports Muscle Recovery For Men and Women 31 Serv (Berry Blast) Walmart.com L Carnitine injection is recommended at 1 ampule every 2 3 days for best results. The L Carnitine is taken intravenously either by normal injection or using a butterfly needle. After taking this L Carnitine, you L Carnitine and Sleep: Does It Affect Rest or Sleep Quality? Nutrex L Carnitine 3000 Liquid Energy & Metabolism Tiger Fitness iSatori Liquid L Carnitine LS3 3000 iSatori Liquid L Carnitine LS3 3000