-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 HsnpqWXfbtDPJcyvgHK2/uVak+H2CzmuQqu+OKX8rPerbvsHKeScm8SJ73OHc68T
 x1n7wgf1nUwSm8IB9lCw0g==

<SEC-DOCUMENT>0001203301-03-000002.txt : 20030611
<SEC-HEADER>0001203301-03-000002.hdr.sgml : 20030611
<ACCEPTANCE-DATETIME>20030611121418
ACCESSION NUMBER:		0001203301-03-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030609
FILED AS OF DATE:		20030611

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WENTZ MYRON W
		CENTRAL INDEX KEY:			0001203301

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21116
		FILM NUMBER:		03740099

	MAIL ADDRESS:	
		STREET 1:		3838 W PARKWAY BLVD
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84120

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			USANA HEALTH SCIENCES INC
		CENTRAL INDEX KEY:			0000896264
		STANDARD INDUSTRIAL CLASSIFICATION:	MEDICINAL CHEMICALS & BOTANICAL PRODUCTS [2833]
		IRS NUMBER:				870500306
		STATE OF INCORPORATION:			UT
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3838 WEST PARKWAY BLVD.
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84120-6336
		BUSINESS PHONE:		8019547100

	MAIL ADDRESS:	
		STREET 1:		3838 WEST PARKWAY BLVD.
		STREET 2:		3838 WEST PARKWAY BLVD.
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84120-6336

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	USANA INC
		DATE OF NAME CHANGE:	19930125
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0001203301d20030611f4f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<ownershipDocument><schemaVersion>X0101</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-06-09</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000896264</issuerCik><issuerName>USANA HEALTH SCIENCES INC</issuerName>        <issuerTradingSymbol>USNA</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001203301</rptOwnerCik><rptOwnerName>WENTZ MYRON W</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>  </rptOwnerStreet1><rptOwnerStreet2>  </rptOwnerStreet2><rptOwnerCity>  </rptOwnerCity><rptOwnerState>  </rptOwnerState><rptOwnerZipCode>  </rptOwnerZipCode></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>1</isTenPercentOwner><isOther>0</isOther><officerTitle>CEO</officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><nonDerivativeSecurity><securityTitle><value>Common Stock</value></securityTitle><transactionDa
te><value>2003-06-09</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>-3300</value></transactionShares><transactionValue><value>38.5</value></transactionValue><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>4598982</value><footnoteId id="F1"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Shares owned of record by Gull Holdings</value></natureOfOwnership></ownershipNature></nonDerivativeSecurity><footnotes><footnote id="F1">Shares owned of record by Gull Holdings Ltd., an entity owned and controlled by this reporting person.</
footnote></footnotes><ownerSignature><signatureName>Gilbert A. Fuller</signatureName><signatureDate>2003-06-11</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----