CLIF Bar ENERGY BAR - 12 bars x 68gWhat is Clif Bar. CLIF Bar is the original energy bar made with wholesome ingredients that deliver energy. CLIF Bars have whole ingredients you can see and taste, such as rolled oats, fruits and nuts. The bars are also a source of protein and fibre. Why eat Clif Bar. Active individuals and athletes have high energy demands. With a mix of carbohydrates, protein and fibre, CLIF Bars supply working muscles with the energy they need for extended periods