L Carnitine Vitamin Supplement for Energy and Metabolism Boost When to take L carnitine: Dosage, forms, and side effects 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. L Carnitine Dosage for Fat Loss Labrada Nutrition LABRADA INDIA The Right Way to Take L Carnitine to Boost Your Training