How much sugar can they add to milk legallyin America?

In the United States, the Food and Drug Administration (FDA) sets standards for the amount of non-nutritive substances that can be added to milk. According to FDA regulations, up to 17.2% by weight of sugar can be added to milk without changing its identity. However, it is important to note that this limit applies specifically to non-nutritive substances and does not include naturally occurring sugars in milk.