@edgarblythe,
The Acai craze seems as uninformed as the smaller Guarana craze that preceeded it.
Both are great and delicious Brazilian staples but are not magical at all. Acai pulp is great frozen with granola. I used to eat that about once a week in Brazil. It looks like this:
I don't get why Acai is promoted for weight loss in America, I think if anything it does the opposite.