Here to help us understand mayonnaise.
Like most folks, I presume you like to know what's in the foods you buy.
Standards-of-identity assure that, when you buy a jar of mayonnaise, it's mayonnaise. A reasonable function of government under the interstate commerce clause, I should think.
“A reasonable function of government under the interstate commerce clause, I should think.”
I think it is usurped authority, and therefore, illegal authority.