Accurate Education Acetyl L Carnitine Accurate Clinic Stability enhancement and formulation development of l Carnitine fast dissolving pellets through pro drug strategy ScienceDirect Frontiers The efficacy of orally administered L carnitine in alleviating ovarian dysfunctions has laid the foundation for targeted in vivo use: a study employing self control and propensity score matching 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 Pharmacokinetics of L Carnitine Clinical Pharmacokinetics Springer Nature Link