Just wanted to reinforce the suggestions to double-check information that's on the food's label *before* you buy the product.

Don't just look at the carb count .. also check the serving size, and especially check the ingredients list . I almost bought a container of Tre Stelle mascarpone, but the ingredients list held a few shocks!! .. such as added fructose and other carby crap

Maybe that's why the USDA doesn't have a listing .. there's too much variation between the many brands??? Just guessing, though