Stock up on Amazon's top 5 best-selling protein bars while you can

It's the perfect time to stock up on Amazon's best-selling protein bars because they are all back in stock right now for the first time in quite a while. Delicious Quest Nutrition Birthday Cake Protein Bars top the list right now as the #1 best-seller, as has been the case for months. Several other popular options are available as well, including RXBARs and Pure Protein Bar variety packs. Anyone who has been following the BGR Deals team's coverage for a while knows that there is one protein bar ...