New recipe! Don't compromise on great taste. Fiber One Cinnamon Coffee Cake have 70 calories, 5 net carbs and 2 grams of sugar.Fiber One started as a tasty, high fiber, low sugar cereal in 1985. In 2007, we introduced our first delicious Chewy Bar and continue to explore and expand our offerings to this day. Fiber One is the perfect treat for those who are snacking by their own rules. It’s a moment of “me time pleasure” that stands apart from a world of so many should and should nots. Gender: unisex. Age Group: adult.