CARNITINE (L CARNITINE, ACETYLCARNITINE) Neuroneeds L Carnitine Injections: Risks and Consent PDF Nausea Hypertension Early research into L carnitine was often cited as underwhelming, showing negligible changes in muscle carnitine content and fat loss outcomes. However, these findings may have been limited by a short study window The effects of L carnitine in children with kidney failure undergoing dialysis: a systematic review Pediatric Nephrology Springer Nature Link