Top 8 Most Powerful Energy Drinks

Redline Energy Drink

1. Redline Energy Drink
Redline Energy drinks packs a powerful punch, averaging around 39.5 mg of caffeine per fluid ounce. This drink is marketed towards body builders aiming to increase fat loss and comes in a variety of flavors like Xtreme, RTD and Redline Liguid Caps. The exact caffeine content will vary by flavor.