USANA Health Sciences (NYSE:USNA – Get Free Report) was downgraded by analysts at Zacks Research from a “hold” rating to a “strong sell” rating in a research note issued to investors on Thursday,Zacks.com reports. Get USANA Health Sciences alerts:Read Our Latest Research Report on USANA Health SciencesUSANA Health Sciences Stock PerformanceShares of USNA opened at $15.43 on Thursday. USANA Health Sciences Stock Rating Lowered by Wall Street ZenWall Street Zen lowered its stock rating on USANA, adding to uncertainty around the company’s outlook. USANA Health Sciences Company Profile(Get Free Report)USANA Health Sciences, Inc is a Utah‐based company that develops, manufactures and distributes nutritional supplements and personal care products through a network of independent distributors. Featured StoriesReceive News & Ratings for USANA Health Sciences Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for USANA Health Sciences and related companies with MarketBeat.com's FREE daily email newsletter.