Everyone's hangover is not a pyramid scheme. According to the investigation in official website, Ren Renxing hangover drink is a trademark applied for registration by Anhui Guoyinda Health Industry Co., Ltd. in May 2022. Anhui Guoyin Health Industry Co., Ltd. is a formal and legally registered company with a business license and relevant qualification certificates, and operates normally according to the business license. Anhui Guoyin Health Industry Co., Ltd. was established on February 24, 2020, registered in Tanghe Road, Luyang District, Hefei City, Anhui Province, and its business scope includes health consulting services and food sales.