xS energy drinks are real. Because xS energy drink is affiliated to Amway and is a direct sale.

Direct selling is legal. Direct selling refers to the marketing of consumer goods by independent marketers directly introducing products and services to consumers in a face-to-face manner outside of fixed retail stores through explanations and demonstrations.

Extended information:

xS is a trademark registered by American Amway Co., Ltd. with the State Trademark Office on December 3, 2003. It mainly produces non-alcoholic sports drinks; non-carbonated sports drinks; non-alcoholic Beverages; non-carbonated beverages; powders for making beverages; beverage preparations, etc.

In 2001, XS Energy Sports Nutrition Drink was born in Laguna Beach, California, the United States, a holy place for extreme sports enthusiasts around the world. It is the first sugar-free energy drink brand sold globally. So far, XS has been launched in 51 countries and regions around the world, creating sales of more than 2 billion US dollars.

Reference material: Baidu Encyclopedia-XS