Berry popular in smoothies (4)
I believe the answer is:
acai
(Other definitions for acai that I've seen before include "South American food product" , "South American palm tree" , "fruit which is nutritious" , "something nutritional to eat" .)
I believe the answer is:
acai
(Other definitions for acai that I've seen before include "South American food product" , "South American palm tree" , "fruit which is nutritious" , "something nutritional to eat" .)