2. CLIF By Kacey Culliney 05-Aug-2015 - Last updated on 06-Aug-2015 at 16:53 GMT Facebook Twitter Linkedin Email to a friend Clif Bar and Company’s CLIF bars totaled sales of $378,453,696 for the period. Unit sales were up 13.08% on the year before. Crunch-down: America’s top 10 best-selling snack bars 10. KIND Plus 9. Nature Valley Protein 8. Special K Protein 7. Nutri Grain 6. Quaker Chewy 5. Rice Krispies Treats 4. Nature Valley Sweet and Salty 3. Fiber One 2. CLIF 1. Nature Valley Granola Prev 1 … 7 8 9 10 11 Next