The effects of L carnitine in children with kidney failure undergoing dialysis: a systematic review Pediatric Nephrology Springer Nature Link Your creatinine level is more than just a number it's your body's early signal to pay attention to kidney health. A slightly high reading once may not always be serious, but The Benefits of Adding L Carnitine to Your Black Coffee Bella All Natural Liquid L Carnitine 3500MG Boost Your Energy Naturally Ripped Up Nutrition Losing weight with L carnitine supplements. Yes or no?