Clif Bar Nut Butter Filled Bar Accessories Bars

Clif Bar Nut Butter Filled Bar. Clif Bar has done it again. The athletes and foodies in the Clif kitchen have crafted a whole new kind of energy bar that's as tasty as it's good for fueling your next athletic endeavor. The Clif Bar Nut Butter Filled Bar brings together two great energy foods a delicious, creamy nut butter inside an organic energy bar to deliver sustained energy.