It's what you want it to be.
Seriously though, I don't really know. The conflicts are out there and studies support both. Whether they're studies or "studies" is another issue.
They say a little bit of garlic in moderation is OK. Zeus doesn't get any garlic though because I'm just too paranoid. But I don't feed him pre-made food so that's a toughy.
I do know that Canine Caviar is very much loved on this forum.