Fighter Energy is a tablet based energy drink that comes packaged in a tube of 10 effervescent tablets. Making the drink is pretty easy, just drop one tablet into eight ounces of water and wait a few minutes. As far as taste goes, it's pretty standard compared to other tablet based drinks. There’s a light level of sweetness (from sucralose and ace-k), a light citrus berry flavor, and a heavy note of vitamin flavor. All in all, for a 5 calorie drink, it’s definitely palatable. Functionally, the product blends B vitamins, amino acids, and caffeine (37.5mg). It’s definitely not the strongest formulation that we’ve tried, but there’s enough to give you a little boost. While it’s hard to talk about the packaging for a product like this, Fighter has done what they can with the small amount of real estate on the tube. The tube itself is certainly convenient, but there’s nothing overly original or innovative about it (it’s the same one that everyone else uses -- not that that’s a bad thing). Overall, Fighter Energy is a nice alternative to lightly caffeinated RTD energy drink.