However, better delineation of the therapeutic and prophylactic roles of L-carnitine in these conditions will require further investigations in controlled, randomized and probably multicentre trials to evaluate the clinical value and the appropriate dosage of L-carnitine in each of these conditions
For references and more information , see the section congestive heart failure in the Vitamin D article
One of the primary concerns is the risk of infection at the injection site
People on certain medications: If you are taking certain medications, such as blood thinners, thyroid tablets, or anticonvulsants, you should stop taking L-carnitine
For people without deficiency, self-care should begin with basics that have stronger evidence: balanced meals, adequate protein, regular physical activity, hydration, sleep, and treatment of medical conditions that affect energy levels
Free radicals are present everywhere in the environment