Mannatech Inc., a Coppell, Texas-based health and wellness company, has announced financial results for its fourth quarter of 2017. Fourth quarter net sales for 2017 were $46.4 million, an increase of $3.8 million, or 8.9 percent, as compared to $42.6 million in the fourth quarter of 2016. For the three months ended December 31, 2017, […]