USANA Health Sciences Inc., a Salt Lake City, Utah-based cellular nutrition company, has reported financial results for its fiscal fourth quarter and full-year ended December 30, 2017. For the fourth quarter of 2017, net sales were $273.1 million compared with $252.9 million in the prior-year period, or an 8.0 percent increase year-over-year. The weakening of the U.S. dollar positively impacted net […]