L carnitine modified nanoparticles target the OCTN2 transporter to improve the oral absorption of jujuboside B ScienceDirect L Carnitine is one of the most hyped weight loss supplements online but here's what most won't tell you: Your body naturally produces L Carnitine using amino acids l, and a healthy person usually 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 What is L Carnitine, L Carnitine is an amino acid that plays a role in energy production and fat metabolism. Its found in foods like red meat, fish, and dairy, and also available as a supplement., L Carnitine Is it Worth Taking? Ideal Nutrition