With a mix of carbohydrates, protein and fibre, Clif Bars supply working muscles with the energy they need for extended periods of activity. Thanks to their portability and great taste, CLIF Bars are a source of energy for athletes and active people who respect their bodies and the world around them. 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. Each bar contains B6 and B12 which contribute to the normal release of energy for use in the body. The bars are also a source of protein and fibre.