USANA Releases New Research On Vitamin D

SALT LAKE CITY, Jan. 22, 2013 /PRNewswire/ -- A new study by USANA Health Sciences, Inc. (NYSE: USNA), in conjunction with The Orthopedic Specialty Hospital (TOSH), suggests that inflammation may cause a decrease in the body's vitamin D levels. The study examined levels of vitamin D in twelve adult males between the ages of 18 and 45 recovering from anterior cruciate ligament (ACL) surgery.

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"This research brings an awareness to managing inflammation in patients in order to protect them against vitamin D decreases," says Dr. Tyler Barker, Clinical Researcher at TOSH. "Preserving or maintaining a healthy vitamin D level is essential to the function of a variety of physiological systems. We plan to further investigate the influence of vitamin D supplements on vitamin D levels during inflammation."

Research for this study, which was published in October 2012 in Cytokine, The Official Journal of the International Cytokine Society, was funded in part by USANA Health Sciences, Inc. in Salt Lake City, a leading international manufacturer of top-quality nutritional products.

"We have a close partnership with TOSH in the scientific studies we conduct on our products. It was a privilege to be part of this valuable research," says Dr. Brian Dixon, USANA's executive director of scientific and clinical affairs. "The results of this study are significant in determining optimum vitamin D levels during periods of inflammation."

For more information about USANA's products and company, visit USANA.com.

About USANA
Founded in 1992, USANA Health Sciences (NYSE: USNA) is a U.S.-based nutritional company that manufactures high-quality supplements, personal care, energy, and weight-management products in their FDA-registered facility in Salt Lake City, Utah. USANA's products, tested by NSF International and used by more than 600 professional athletes, are developed by the company's award-winning team of scientists and sold directly to Preferred Customers and Associates in 18 international markets. Named one of Outside magazine's "Best Places to Work" for four consecutive years, USANA has received more than 100 state, national and international accolades, including Utah Best of State, Stevie Awards, Australian Business Awards, NutriSearch Editor's Choice and others. Learn more about USANA (www.USANA.com) and the USANA True Health Foundation (www.USANAfoundation.org/), stay current with the official USANA blog (www.whatsupUSANA.com), like us on the USANA Facebook page (www.facebook.com/USANAhealthsciences), or follow USANA on Twitter (@USANAinc).

Media Contact: Ashley Collins
Executive Director of PR, Social Media, and Communications
USANA Health Sciences, Inc.
(801) 954-7280
media(at)us.usana(dot)com

About TOSH
TOSH—The Orthopedic Specialty Hospital—is one of the country's premier facilities for orthopedic care and specializes in: sports medicine, sport biomechanics, physical therapy, occupational therapy, athletic training, nutrition, biomechanical engineering, exercise and sport physiology.

SOURCE USANA Health Sciences, Inc.

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