Compounded Carnitine (L) Injection Empower Pharmacy L Carnitine doesn't magically burn fat, it helps your body use fat as energy. Combine it with training and consistency, and you'll feel the difference @Marybosch shows us how L Carnitine will boost your 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 Machine learning guided discovery of SLC25A45 as a mediator of mitochondrial methylated amino acid import and carnitine synthesis: Cell Metabolism