L Carnitine Dosage Guide: How Much Should You Take? Levocarnitine Tablets (330 mg) Levocarnitine Oral Solution (1 g 10 mL multiple unit container) Levocarnitine Oral Solution (Sugar Free) (1 g 10 mL multiple unit container) For oral use only. Not for parenteral use. What is the appropriate dosage of Lcarnitine for a patient with elevated alanine aminotransferase (ALT)? LEVOCARNITINE INJECTION, USP1 g per 5 mL vial and 4 g per 20 mL vialFOR INTRAVENOUS USE ONLYRx Only L Carnitine Dosage for Fat Loss Labrada Nutrition LABRADA INDIA