L-carnitine may also enhance energy production in cardiac cells to improve blood flow, reduce inflammation, and limit oxidative stress (an imbalance in free radicals and antioxidants that can lead to cell damage linked to aging and heart disease), she says
Cardioprotective effects of carnitine in extensive aortocoronary bypass grafting: a double-blind, randomized, placebo-controlled clinical trial
[Experimental study of the effects of metabolic drugs on exercise tolerance]
Any claims regarding effects of carnitine on fat oxidation or weight loss are, of course, unfounded if carnitine supplementation is unable to increase the carnitine concentration in muscle
[] ^ Carnitine: a nutritional, biosynthetic, and functional perspective