What is L Carnitine? L Carnitine is a naturally occurring amino acid derivative that the human body can synthesize itself. It is mainly found in red meat and dairy products. [1] Core Benefits of Vitamin L Carnitine Healthy Nutrient Rich Food Vector Illustration Stock Vector Illustration of food, organic: 187983218 Can creatine be taken during fasting Ramadan? Ronnie Coleman L Carnitine XS 4000, Berry Blast, 15.72 fl oz (465 ml) : Target CarniBlast Liquid L Carnitine 3000mg Energy Supplement Bricker Labs