Injectable vs Oral L Carnitine: Which Works Better? AWP 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., The bright and the dark sides of L carnitine supplementation: a systematic review Journal of the International Society of Sports Nutrition Springer Nature Link Acetyl L Carnitine vs L Carnitine: 4 Key Differences Momentous