Preheat oven to 350 degrees F. Spray a 9x13- inch baking dish with nonstick cooking spray; set aside.
In a large mixing bowl, mix together brownie mix, protein powder, pumpkin and eggs until well combined then spread in an even layer in prepared pan. Sprinkle chocolate chips on top.
Bake for 28-30 minutes or until an inserted toothpick comes out clean. Let cool and cut into 12 pieces.