INTRODUCTION
Carnitine primarily exists within skeletal muscle where it is a crucial cofactor for the rate limiting step of fat oxidation and as a buffer to maintain oxidative flux through the pyruvate dehydrogenase complex (PDC) at times of high glycolytic demand (e.g., high intensity exercise) (Stephens, Constantin‐Teodosiu, & Greenhaff, Intravenous (iv; Stephens et al., Evidence suggests that caffeine also stimulates Na