What we're meant to eat. No peanuts. All natural. Gluten free. Certified gluten-free. If cavemen had our blueberry nut bar, they may have stayed in their caves longer rather than being chased by saber-toothed tigers. Full of delicious antioxidant-rich blueberries, it's gluten-free and all natural. From the days of the caveman, this is what we're meant to eat. Cavemanfoods.com. Produced in the USA.