How does the caffeine in GU Energy Gel help me? GU Energy Gel comes in both caffeinated and non-caffeinated flavors. Strawberry Banana, Lemon Lime, Peanut Butter, and Root Beer do not have any caffeine in them.
Gas gangrene is most often caused by a bacterium called Clostridium perfringens. It also can be caused by group A streptococcus, Staphylococcus aureus, and Vibrio vulnificus.
1 Gas gangrene is a rapidly progressing and potentially life-threatening form of tissue death, or gangrene.  Gas gangrene is most commonly caused by a bacterial infection. Bacteria may get into an open wound and cause gas to form beneath the skin, leading to tissue death.