9. Nature Valley Protein By Kacey Culliney 05-Aug-2015 - Last updated on 06-Aug-2015 at 16:53 GMT Facebook Twitter Linkedin Email to a friend General Mills’ Nature Valley Protein bars pulled in $130,574,664 for the period. Unit sales were up 7.41% 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 2 3 4 5 … 11 Next