Energy drinks are popular, but they can affect the heart in ways many people don't expect. This article looks at how energy drinks may impact heart health and what to consider before Understanding the Role of Carnitine in TPN and IDPN Therapy Risk of cardiomyopathy and cardiac arrhythmias in patients with nonalcoholic fatty liver disease Nature Reviews Gastroenterology & Hepatology L Carnitine and Heart Disease Natural Health Research Comprehensive review of the expanding roles of the carnitine pool in metabolic physiology: beyond fatty acid oxidation Journal of Translational Medicine Springer Nature Link Didn't another study show carnitine was good for the heart?