Though rumors abound on social media and other corners of the internet, this high-caffeine soda variety is still for sale, if you're willing to search for it.

Guarana risks. High doses of caffeine may raise the risk of high blood pressure. An overdose of caffeine can cause seizures and convulsions.. Talk to your doctor before using guarana if you have ...

Jolt, which had double the caffeine of other colas, will return to stores in 2025—but now, as an energy drink. The soda was removed from shelves after its founders filed for bankruptcy in 2009 ...

A popular soda of the 1980s and ’90s is set to make a grand reentrance. Jolt, which had double the caffeine of other colas, will return to stores in 2025—but now, as an energy drink. The soda ...