All-Natural ZonePerfect Classic Nutrition Bars Theyre called "Classic" for a reason. Their great taste has stood the test of time. And because theyre an excellent source of protein, they still remain your delicious go-to snack for on-the-go inspiration.Fudge Graham BarExcellent source of protein (14-15 g). 19 vitamins and minerals. Rich in antioxidants (Vitamins C & E, and Selenium)