For example, a single serving of some popular cereals, including Kellogg's All-Bran, contains more salt than four packets of roasted peanuts, according to the study. Nick Stace, director of communications at the Consumers' Association, which publishes Which?, said: "Breakfast cereals have a healthy image yet our research shows that big brand manufacturers are lacing their cereal with such high levels of sugar and salt that it is no wonder we have a public health crisis on our hands."