L Carnitine A carnitine transporter at the bloodbrain barrier modulates sleep via glial lipid metabolism in Drosophila PNAS L Carnitine Linus Pauling Institute Oregon State University Effects of Oral L Carnitine Administration in Narcolepsy Patients: A Randomized, Double Blind, Cross Over and Placebo Controlled Trial PLOS One Most energy drinks are loaded with caffeine and sugar, which can cause jitters, dehydration, headaches, and even affect your heart if consumed often. While an occasional drink may not cause harm, regular