FLOWER MOUND, Texas, May 23, 2023–(BUSINESS WIRE)–Mannatech, Incorporated (NASDAQ: MTEX), a leading nutritional supplement company, has announced that it anticipates launching its new tiered affiliate program on June 16, 2023. As previously announced, the program will be operated by a new wholly owned subsidiary doing business as Trulu™. To learn more about this exciting opportunity,…