Founded in 1992 by microbiologist and immunologist Dr. Myron Wentz, USANA Health Sciences is a science-based company that dev ... elops scientifically advanced nutritional, personal care and weight management products, with worldwide distribution through network marketing. USANA has 1500 staff (more than 60 scientists on site) and having on-site laboratories and facilities. USANA currently operates in 19 markets worldwide and to over 50,000 associates and customers in Australia. read more