There is nothing to knock when it comes to goji, noni and mangosteen.  Though these fruits are renowned on their own and have a lot of research and data to back their benefits up, they don't seem to be able to hold an equal flame to açai!  The reason is because açai has a much higher ORAC rating, contains omega's 3, 6 and 9 and in recent studies conducted by the University of Florida has been found to destroy leukemia cells!  What can compare to this?  There really isn't any fruit known at this time that can even compare to the aai berry and its wellness properties. One could be confident enough to say it is the one and only..