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 L Tartrate: 8 Key Benefits Dr. Lam What Is L Carnitine? How Does It Work? Is L Carnitine a Stimulant? Forms, Benefits & Fat Metabolism BF ESSE CMO Targeting Skeletal Muscle Dysfunction With L Carnitine for the Treatment of Patients With Chronic Obstructive Pulmonary Disease In Vivo What Is L Carnitine? How Could It Help With Weight Management? Wellness Hub