Company Overview. REV GUM is an Austin-based functional gum company moving at the speed of light. REV’s mission is to revolutionize the gum category with a better-for-you and more convenient functional product that fuels the on-the-go lifestyle of today’s active generation. REV GUM is sugar-free and packs as much energy as either a single or double shot of espresso while working 5x faster than any energy drink or shot. At REV we like to think we ...