You have to wonder how that's possible when aspartame is broken down into three compounds that occur naturally in foods and beverages we consume every day. Aspartame is made up of phenylalanine which is an essential amino acid found in almost every single protein; aspartic acid, which is common in vegetables and potatoes; and methanol, which is common in fruits and red wine. How these compounds can be deadly as aspartame but totally harmless when consumed naturally in the food we eat has never been explained.
I think you are missing something.. "the dose" of it.. the quanitiy of it.. and maybe aome other interactions not included here.. Aspertame does not occur naturally in food in such large doses..