L Carnitine Intramuscular shot ELIXR IV Therapy L Carnitine 20g 10ml Weight Loss & Fat Burning Injection, 1000 mg at 7500 box in Bengaluru ORAL VS. INJECTABLE L CARNITINE , Does it really matter which you use? , Both have pros and cons but it really comes down to what is going to be most suited to use as an individual athlete., CARNITOR (levocarnitine) Injection 1 g per 5 mL vial For Intravenous Use Only.