 FLOWER MOUND, Texas--BUSINESS WIRE--Mannatech, Incorporated Mannatech or the Company NASDAQ: MTEX, a global health and wellness company committed to transforming lives to make a better world, announces today it has commenced a cash tender offer to purchase up to 211,538 of its outstanding common stock, par value 0.0001 per share, at a per share price of 26.00 the tender offer. The closing price of Mannatechs common stock on The Nasdaq Global Select Market Nasdaq on May 26, 