Don't believe anything on the front of the package
Blueberries look wholesome and delicious on those packages of muffin mix and cereal, but how many blueberries are your really getting?
For many of these products: none.
The big name brands give us beautiful, deceptive packaging. And it's completely legal as long as the nutritional information section lists the actual ingredients. And how many people stop to read that?
The bottom line: don't believe the pretty packaging. Read the ingredients.