The battle over energy drinks rages on while in the background the FDA carries on a probe on the...

The battle over energy drinks rages on while in the background the FDA carries on a probe on the industry. Though companies such as Monster Beverage (NASDAQ:MNST) and 5-Hour Energy claim concerns over safety are unfounded, a new focus on the marketing message covering the benefits of energy drinks is cropping up. In a nutshell, critics warn the drinks offer little to consumers but extra sugar and caffeine.