http://ods.od.nih.gov/factsheets/carnitine.asp

http://www.livestrong.com/article/35901-l-carnitine-supplements/

http://www.cellhealthmakeover.com/acetyl-l-carnitine.html

http://www.elementalnutrition.com/l-carnitine.htm

http://www.wellfx.com/InfoBase/vitamin_carnitine_.html

http://www.powerbody.biz/nutrition/l_carnitine_facts.htm

http://www.nutritiongeeks.com/l-carnitine-500mg-now-180/l-carnitine-500mg-now.html

http://www.himfr.com/buy-l_carnitine_tartrate/

http://www.bodybuilding.com/store/lcarn.html

http://lpi.oregonstate.edu/infocenter/othernuts/carnitine/