While blueberries, almonds, avocados and kale have perennial spots on the superfoods list, the NPD Group has outlined three “emerging superfoods” it's tracking due to increased interest in them.

The NPD Group’s research reveals that as more consumers recognize that GMOs have benefits in producing better and more resilient crops, such awareness comes with   worries about consuming GMOs. As a result, GMOs have become the fastest growing food additive concern, NPD Group says.