FLAVOR: It's fruit punch-y! That's really all there is to say. If you like fruit punch, you will like this drink. My take on fruit punch is that it is a perfectly adequate flavor.
EFFECTIVENESS: It's working some, but right now I'm feeling mostly ambivalent about life and annoyed I can't watch Daily Show clips about the George Zimmerman verdict because somebody's waiting in my lobby. Maybe it will really give me a kick and I'll feel motivated to write something else or apply for some jobs or something. Oh wait, oh wait, I think it's working! Roughly 70% of the way through the can and I am prepping for my NEW PATRIOTIC WRITING PROJECT I've been contemplating for awhile. My legs are shaking a bit and I am feeling only vaguely irate that the people in my lobby are laughing and talking loudly about their children. I still feel ambivalent about living in a world with the George Zimmerman verdict, but I'm not sure what kind of serious substances I would need to erase that feeling.
OVERALL: Pretty good. Same efficacy as just about any other Monster drink (see chart on this post, I am too lazy to edit it). Recommended if you are into fruit punch.