+ONE Energy Drink

+ONE Energy Drink is a functional beverage developed in the United States, aiming to provide sustained energy and mental clarity without the typical crash associated with traditional energy drinks. The company behind +ONE is privately held and operates primarily in the United States, with manufacturing facilities in multiple countries to meet global demand. The brand focuses on using science-backed ingredients, including a 2:1 ratio of caffeine to L-theanine, to deliver a smooth and uplifting energy experience. As of January 2026, +ONE remains an independent company, with no known subsidiaries or external ownership.