Long term effects of L carnitine on : European Journal of Gastroenterology & Hepatology Bandini L Carnitine 3000, 180 Capsules with Carnipure High Dose, Sports Supplement with L Carnitine Tartrate, Pure Carnitin with High Absorption and Bioavailability, Vegan and No Additives : Amazon.com.be: Health & Personal Care Neither L Carnitine nor Berberine work like caffeine, yohimbine, or fat burners. They do NOT: Spike your heart rate Jack up your nervous system Cause jitters or crashes Mask Olimp Sport Nutrition L Carnitine 1500 Extreme Mega Caps Carnitine : Sporter Saudi Arabia LCarnitine Safety High Doses Consensus