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., American Regent Introduces Levocarnitine Injection, USP; FDA Approved, "AP" Rated, and Therapeutically Equivalent to Carnitor Comprehensive review of the expanding roles of the carnitine pool in metabolic physiology: beyond fatty acid oxidation Journal of Translational Medicine Springer Nature Link Compounded Carnitine (L) Injection Empower Pharmacy