WAYNE, Pa., July 26, 2013 /PRNewswire/ -- Ryan & Maniskas, LLP (www.rmclasslaw.com/cases/usna) announces that it is investigating potential claims against USANA Health Sciences Inc. ("USANA Health" or the "Company") (NYSE: USNA) on behalf of those who purchased USANA common stock between October 23, 2012 and July 23, 2013 (the "Class Period").

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The investigation concerns whether USANA Health and certain of its officers and/or directors have violated Sections 10(b) and 20(a) of the Securities Exchange Act of 1934.

On July 23, 2013, USANA Health announced that the Securities and Exchange Commission (SEC), is conducting an investigation, which appears to involve possible issues regarding trading in the Company's stock during 2012 by certain of the Company's officers and directors including the Company's Chairman. On this news, the shares of USANA Health fell $6.56, or 8.14% percent, to $73.99 on July 24, 2013.

For more information regarding this, please contact Ryan & Maniskas, LLP (Richard A. Maniskas, Esquire) toll-free at (877) 316-3218 or by email at rmaniskas@rmclasslaw.com or visit: www.rmclasslaw.com/cases/che. For more information about class action cases in general or to learn more about Ryan & Maniskas, LLP, please visit our website: www.rmclasslaw.com.

Ryan & Maniskas, LLP is a national shareholder litigation firm. Ryan & Maniskas, LLP is devoted to protecting the interests of individual and institutional investors in shareholder actions in state and federal courts nationwide.

CONTACT: Ryan & Maniskas, LLP
Richard A. Maniskas, Esquire
995 Old Eagle School Rd., Suite 311
Wayne, PA 19087
484-588-5516
877-316-3218
www.rmclasslaw.com/cases/usna
rmaniskas@rmclasslaw.com

SOURCE Ryan & Maniskas, LLP