8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of report (Date of earliest event reported):  May 11, 2010

NBTY, INC.

 (Exact Name of Registrant as Specified in Charter)

001-31788

(Commission File Number)

DELAWARE	11-2228617
(State or Other Jurisdiction	(I.R.S. Employer
of Incorporation)	Identification No.)

2100 Smithtown Avenue
Ronkonkoma, New York	11779
(Address of Principal Executive Offices)	(Zip Code)

(631) 567-9500

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

oWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

oSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

oPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17CFR 240.14d-2(b))

oPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

ITEM 7.01.            REGULATION FD DISCLOSURE

On May 11, 2010, NBTY, Inc. issued a press release announcing preliminary unaudited sales results for the month April, 2010.  A copy of the press release is attached as Exhibit 99.1.

ITEM 9.01.            FINANCIAL STATEMENTS AND EXHIBITS

(d)           Exhibits.

99.1         Press release issued by NBTY, Inc., dated May 11, 2010.

This Form 8-K and the attached Exhibit are furnished to comply with Item 7.01 and Item 9.01 of Form 8-K.  Neither this Form 8-K nor the attached Exhibit are to be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, nor shall this Form 8-K nor the attached Exhibit be deemed incorporated by reference in any filing under the Securities Act of 1933 (except as shall be expressly set forth by specific reference in such filing).

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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 hereunto duly authorized.

Dated: May 11, 2010
	NBTY, INC.
	By:	/s/ Harvey Kamil
		Harvey Kamil
		President and Chief Financial Officer

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EX-99.1

Exhibit 99.1

Contact: Harvey Kamil		Carl Hymans
NBTY, Inc.	G.S. Schwartz & Co.
President & Chief Financial Officer	212-725-4500
631-200-2020		carlh@schwartz.com

NBTY TO WEBCAST PRESENTATION AT

BANK OF AMERICA MERRILL LYNCH HEALTH CARE CONFERENCE

-ANNOUNCES PRELIMINARY UNAUDITED NET SALES RESULTS FOR APRIL 2010-

RONKONKOMA, N.Y. — May 11, 2010 - NBTY, Inc. (NYSE: NTY) (www.NBTY.com), a leading global manufacturer and marketer of nutritional supplements, today announced that it will webcast the presentation by Harvey Kamil, President and Chief Financial Officer of NBTY, at the Bank of America Merrill Lynch Health Care Conference on Thursday, May 13, 2010.

The presentation is scheduled to be web cast live on the Company Web site, www.nbty.com, on Thursday, May 13, 2010 at 8:00 AM (ET).

NBTY’s preliminary unaudited net sales results for April 2010 by segment are as follows:

NET SALES

(Preliminary and Unaudited)

FOR THE MONTH OF APRIL

($ In Millions)

	2010		2009		% Change
Wholesale / US Nutrition	$	139	$	132	6	%
North American Retail	$	18	$	17	3	%
European Retail	$	51	$	48	7	%
Direct Response / E-Commerce	$	18	$	17	7	%
Total	$	227	$	214	6	%

North American Retail same store sales increased 2% for the one month period.  European Retail net sales in local currency, (British Pound Sterling), increased 3% and same store sales decreased 1%.

ABOUT NBTY

NBTY is a leading global vertically integrated manufacturer, marketer and distributor of a broad line of high-quality, value-priced nutritional supplements in the United States and throughout the world. Under a number of NBTY and third party brands, the Company offers over 25,000 products, including products marketed by the Company’s Nature’s Bounty(R) (www.naturesbounty.com), Vitamin World(R) (www.vitaminworld.com), Puritan’s Pride(R) (www.puritan.com), Holland & Barrett(R) (www.hollandandbarrett.com), Rexall(R) (www.rexall.com), Sundown(R) (www.sundownnaturals.com), MET-Rx(R)  (www.metrx.com), Worldwide Sport Nutrition(R) (www.sportnutrition.com), American Health(R) (www.americanhealthus.com), GNC (UK)(R) (www.gnc.co.uk), DeTuinen(R) (www.detuinen.nl), LeNaturiste™ (www.lenaturiste.com), SISU(R) (www.sisu.com),  Solgar(R) (www.solgar.com), Good ‘n’ Natural(R) (www.goodnnatural.com), Home Health™ (www.homehealthus.com), Julian Graves, (www.juliangraves.com) and Ester-C(R), (www.ester-c.com) brands.  NBTY routinely posts information that may be important to investors on its web site.