Whether you are running out the door to pick up the kids or running your first marathon, the Luna Bar has the energy you need and the taste you want to keep you going till your next meal. Known as the women's line of Clif Bar, Luna Bar is entirely natural and 70% organic , no high fructose corn syrup here. It is low in sugar and high in fiber, helping you feel fuller longer without a sugar crash. The Luna Bar tastes like a guilty pleasure without any of the impending remorse. And for all of you men out there: No, you will not grow breasts if you eat one.