I don't believe that it is. There are so many damn problems with it on playstation and pc that you probably don't want it on mac.
But, you can always just partition and install windows on your mac and play it from the windows side. But, it's not worth the money. They were having major problems in the closed Beta (I was in the PC closed beta) and from what I have seen (my neighbor has it now) they are still having those same problems (lag and other issues with missions).