GMO Free HanSweet®Aspartame does not contain any ingredients, which have been genetically modified. BSE Free HanSweet®Aspartame is BSE (Bovine-Spongiforme-Encephalopathy) - free. Kosher Status HanSweet®Aspartame is manufactured under the supervision of KASHRUTH DIVISION of the ORTHODOX UNION and is certified kosher pareve.HanSweet is authorized to carry the Kosher symbol on its packaging. Phenylketonuria Aspartame containing food products must be properly labeled in order to warn phenylketonurics accordingly. Shelf Life Shelf life of 24 months if stored between 20℃ to 27℃(70°F to 80°F); Shelf life of 36 months if stored between 5℃to 20℃ (40°F to 70°F).