September 2009

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

__________________

FORM 10-Q/A

(Amendment No. 1)

x	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended: September 30, 2009 OR
[ ]	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ___________ to ___________.

Commission File No. 000-24657

MANNATECH, INCORPORATED

(Exact Name of Registrant as Specified in its Charter)

Texas (State or other Jurisdiction of Incorporation or Organization)	75-2508900 (I.R.S. Employer Identification No.)
600 S. Royal Lane, Suite 200, Coppell, Texas (Address of Principal Executive Offices)	75019 (Zip Code)

Registrant’s Telephone Number, including Area Code: (972) 471-7400

____________________________________

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x  No o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).* Yes x No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See definitions of “accelerated filer”, “large accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer o Accelerated filer x Non-accelerated filer o Smaller reporting company o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes o No x

As of October 31, 2009, the number of shares outstanding of the registrant’s sole class of common stock, par value $0.0001 per share, was 26,480,788.

EXPLANATORY NOTE

Mannatech, Incorporated is filing this Amendment No. 1 (the "Form 10-Q/A") to our Quarterly Report on Form 10-Q for the quarter ended September 30, 2009 (the "Form 10-Q"), filed with the Securities and Exchange Commission on November 5, 2009, for the sole purpose of furnishing the Interactive Data Files. The Interactive Data Files were inadvertently omitted from the Form 10-Q as originally filed due to unanticipated technical difficulties.

No other changes have been made to the Form 10-Q. This Form 10-Q/A continues to speak as of the original filing date of the Form 10-Q, does not reflect events that may have occurred subsequent to the original filing date, and does not modify or update any related disclosures made in the Form 10-Q.

PART II - OTHER INFORMATION

Item 6. Exhibits

See Index to Exhibits following the signature page of this Quarterly Report on Form 10-Q/A.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

MANNATECH, INCORPORATED

November 5, 2009	/S/ WAYNE L. BADOVINUS
	Wayne L. Badovinus President and Chief Executive Officer (principal executive officer)

November 5, 2009	/S/ STEPHEN D. FENSTERMACHER
	Stephen D. Fenstermacher Executive Vice President and Global Chief Financial Officer (principal financial officer)

INDEX TO EXHIBITS

		Incorporated by Reference
Exhibit Number	Exhibit Description	Form	File No.	Exhibit (s)	Filing Date
3.1	Amended and Restated Articles of Incorporation of Mannatech, dated May 19, 1998.	S-1	333-63133	3.1	October 28.1998
3.2	Fourth Amended and Restated Bylaws of Mannatech, dated August 8, 2001 (Corrected).	10-K	000-24657	3.2	March 16, 2007
3.3	First Amendment to the Fourth Amended and Restated Bylaws of Mannatech, effective November 30, 2007.	8-K	000-24657	3.1	December 6, 2007
4.1	Specimen Certificate representing Mannatech’s common stock, par value $0.0001 per share.	S-1	333-63133	4.1	October 28, 1998
10.1	Separation and Release Agreement, dated July 17, 2009, between Mannatech, Incorporated, and Terri F. Maxwell.	8-K	000-24657	10.1	July 21, 2009
31.1*	Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, of the Chief Executive Officer of Mannatech.	*	*	*	*
31.2*	Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, of the Chief Financial Officer of Mannatech.	*	*	*	*
32.1*	Certification pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, of the Chief Executive Officer of Mannatech.	*	*	*	*
32.2*	Certification pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, of the Chief Financial Officer of Mannatech.	*	*	*	*
101.INS**	XBRL Instance Document	**	**	**	**
101.SCH**	XBRL Taxonomy Extension Schema Document	**	**	**	**
101.CAL**	XBRL Taxonomy Extension Calculation Linkbase Document	**	**	**	**
101.LAB**	XBRL Taxonomy Extension Label Linkbase Document	**	**	**	**
101.PRE**	XBRL Taxonomy Extension Presentation Linkbase Document	**	**	**	**
101.DEF**	XBRL Taxonomy Extension Definition Linkbase Document	**	**	**	**

_____________

* Previously filed.

** Furnished herewith. In accordance with Rule 406T of Regulation S-T, the information in these exhibits shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, or otherwise subject to liability under that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, except as expressly set forth by specific reference in such filing.