Two cereals, Kellogg’s Honey Smacks and Post Golden Crisp, are more than 50 percent sugar (by weight) and nine are at least 40 percent sugar. And that’s not the only issue. Although Kellogg’s Rice Krispies has only 4 grams of sugar per serving, it got only a Fair rating, largely because it is higher in sodium and has zero dietary fiber. Read more about this new report from Consumer Reports in the US.