Reign Total Body Fuel is an American energy drink that was introduced in 2019 by the Monster Beverage Corporation.

In 2019, VPX Sports filed a lawsuit against Monster Beverage for infringing on their trademark.

[5] In 2021, Monster won the trade dress lawsuit.

[6] In 2020, Monster Beverage request to block VPX Sports from using the word Reign was preliminarily granted.

[7] In 2021, the talent agency Viral Nation partnered with Reign, along with other brands, for Anthony Hamilton Jr.[8] In September 2023, it was announced that Reign Storm is the official energy drink of Association of Pickleball Players.