This isn’t exactly a secret, the other commenter linked part of the regulations about this, and you can just look up actual products that are out there, their ingredients and how they’re labeled, as well as plenty of people out there who have made their own American cheese-like products from cheese and emulsifiers.
And it sounds like you need a new cheese monger, if you got that info from them they’re lying out their ass to sell you some American cheese they couldn’t get rid of otherwise.
Hoo boy are you confidently incorrect.
This isn’t exactly a secret, the other commenter linked part of the regulations about this, and you can just look up actual products that are out there, their ingredients and how they’re labeled, as well as plenty of people out there who have made their own American cheese-like products from cheese and emulsifiers.
And it sounds like you need a new cheese monger, if you got that info from them they’re lying out their ass to sell you some American cheese they couldn’t get rid of otherwise.