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 Stability enhancement and formulation development of l Carnitine fast dissolving pellets through pro drug strategy ScienceDirect Slim Strength: Enhance Muscle Tone with MIC + L Carnitine injections ME Skin and Wellness at Elizalde Medspa Injectable L Carnitine: What It Is, How It Works, and Who Should Use It Mesotherapy Cocktails, Exosomes Regenerative Skin Boosters L Carnitine Injection (Intramuscular): How It Works & What to Expect Mesotherapy Cocktails, Exosomes Regenerative Skin Boosters