Next up, we have Reign Energy. Their drinks contain around 300 mg of caffeine. And, while it boasts “zero sugar” it does sweeten its drinks with Sucralose, which is an artificial sweetener.

REFRESHING TASTE: Zero Ultra’s lighter tasting flavor profile is a less sweet, sparkling, citrus energy drink that delivers refreshment. Monster Energy Zero Ultra is great for any occasion.

Other brands, like Reign Total Body Fuel ... it does not claim to be a healing therapy, which is how Bang energy drinks almost failed. Instead, it markets itself as "100% plant powered," meaning ...