Acetyl L Carnitine Did you know L carnitine, a vital amino acid, is naturally produced by your body and found in various foods? While acetyl L carnitine (ALCAR) can be a beneficial supplement for some, most people get Compounded Carnitine (L) Injection Empower Pharmacy Amazon.com: Cutler Nutrition Liquid L Carnitine Fat Burner Supplement with Acetyl L Carnitine & L Carnitine Tartrate Fat Burner Formula for Optimal Absorption, Energy & Muscle Support Sour Gummy Flavor : Health & 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 Carnitine Wikipedia