Lonza is producing L-Carnitine in various forms Food Qualities Pharma Qualities Carnipure™ is a special grade of L-Carnitine, manufactured by the swiss lifescience company Lonza. Thanks to a unique production process based on fermentation, Lonza is the only manufacturer capable of producing L-Carnitine in a similar way as nature. Carnipure™ fulfils all relevant food and pharma standards, respectively and is kosher certified. No GMO's or materials of animal origin are used.