Compounded Carnitine (L) Injection Empower Pharmacy Subcutaneous Injection: What It Is and How to Give One Frontiers Exogenous L carnitine Administration Ameliorates the Adverse Effects of Heat Stress on Testicular Hemodynamics, Echotexture, and Total Antioxidant Capacity in Rams 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 Dermaqual