Acetyl L Carnitine Core Nutritionals Acetyl L Carnitine vs L Carnitine: 4 Key Differences Momentous 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 The Ultimate Showdown: L Carnitine vs. Acetyl L Carnitine Ultimate Sup The Role of Carnitine in the Male Reproductive System NG 2004 Annals of the New York Academy of Sciences Wiley Online Library