USANA manufactures over 90% of its products in-house, including all of its tableted nutritional supplements.
As an FDA-registered facility, USANA now has the ability to manufacture OTC drugs as well.
The company sells products in the US, Canada, Australia, New Zealand, Hong Kong, Japan, Taiwan, South Korea, Singapore, Malaysia, the Philippines, Mexico, the Netherlands and the UK.
USANA Research and Development executive director John Cuomo said they regularly submit their products for independent testing and diligently maintain their third-party certifications.