We're all trying to eat healthier, but how do you know what's healthy when you're doing your supermarket shopping?
One way is to use the Health Star system that's run by the Ministry of Primary Industries.
But one professor of public health says it's a waste of time.
AUT University's Grant Schofield is calling the system "worse than useless" and the "fake news" of food health, while calling for the system to be disbanded.
Seven Sharp’s Tim Wilson met with both sides to find some proof in the pudding.