-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 P1jtasJedSP/KFIu0hjx23kjEA9g+0Hkj53+xhJbFpo11uK+9sP5culuDKsGyFNU
 HBangTHC18u1+LlVUm5k/Q==

<SEC-DOCUMENT>0001181431-03-010428.txt : 20030609
<SEC-HEADER>0001181431-03-010428.hdr.sgml : 20030609
<ACCEPTANCE-DATETIME>20030609170018
ACCESSION NUMBER:		0001181431-03-010428
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030321
FILED AS OF DATE:		20030609

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MANNATECH INC
		CENTRAL INDEX KEY:			0001056358
		STANDARD INDUSTRIAL CLASSIFICATION:	MEDICINAL CHEMICALS & BOTANICAL PRODUCTS [2833]
		IRS NUMBER:				752508900
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		600 SOUTH ROYAL LANE
		STREET 2:		SUITE 200
		CITY:			COPPELL
		STATE:			TX
		ZIP:			75019
		BUSINESS PHONE:		9724717400

	MAIL ADDRESS:	
		STREET 1:		600 SOUTH ROYAL LANE
		STREET 2:		SUITE 200
		CITY:			COPPELL
		STATE:			TX
		ZIP:			75019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			JETT
		CENTRAL INDEX KEY:			0001232849

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-24657
		FILM NUMBER:		03737787

	BUSINESS ADDRESS:	
		STREET 1:		59 340 OLOMANA ROAD
		CITY:			KONUELA
		STATE:			HI
		ZIP:			90743
		BUSINESS PHONE:		8082801097

	MAIL ADDRESS:	
		STREET 1:		59 340 OLOMANA ROAD
		CITY:			KONUELA
		STATE:			HI
		ZIP:			90743
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>rrd10754.xml
<DESCRIPTION>FORM 3 - INITIAL FILING
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

    <documentType>3</documentType>
<periodOfReport>2003-03-21</periodOfReport>
    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001056358</issuerCik>
        <issuerName>MANNATECH INC</issuerName>
        <issuerTradingSymbol>MTEX</issuerTradingSymbol></issuer>
<reportingOwner>
<reportingOwnerId>
            <rptOwnerCik>0001232849</rptOwnerCik>
            <rptOwnerName>JETT</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector>
<isOfficer>0</isOfficer>
<isTenPercentOwner>0</isTenPercentOwner>
<isOther>1</isOther>
<officerTitle></officerTitle>
<otherText>member of Sec 13(d) group (1)</otherText></reportingOwnerRelationship></reportingOwner>
<nonDerivativeSecurity>
<securityTitle>
<value>Common Stock, par value $0.0001 per share</value>
<footnoteId id="F1"/></securityTitle>
<transactionAmounts>
<transactionShares>
<value>1206625</value></transactionShares></transactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value></directOrIndirectOwnership>
<natureOfOwnership>
<value></value></natureOfOwnership></ownershipNature></nonDerivativeSecurity>
<footnotes>
<footnote id="F1">(1) Jett, the reporting person, is a member of a Section 13(d) group that owns more than 10% of Mannatech&apos;s outstanding common stock.</footnote></footnotes>
<ownerSignature>
<signatureName>/s/ Jett</signatureName>
<signatureDate>2003-06-09</signatureDate></ownerSignature></ownershipDocument>


</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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