<SEC-DOCUMENT>0001628280-17-005408.txt : 20170511
<SEC-HEADER>0001628280-17-005408.hdr.sgml : 20170511
<ACCEPTANCE-DATETIME>20170511154359
ACCESSION NUMBER:		0001628280-17-005408
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170509
FILED AS OF DATE:		20170511
DATE AS OF CHANGE:		20170511

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NATURES SUNSHINE PRODUCTS INC
		CENTRAL INDEX KEY:			0000275053
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				870327982
		STATE OF INCORPORATION:			UT
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2500 WEST EXECUTIVE PARKWAY
		STREET 2:		SUITE 100
		CITY:			LEHI
		STATE:			UT
		ZIP:			84043
		BUSINESS PHONE:		(801) 341-7900

	MAIL ADDRESS:	
		STREET 1:		2500 WEST EXECUTIVE PARKWAY
		STREET 2:		SUITE 100
		CITY:			LEHI
		STATE:			UT
		ZIP:			84043

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMTEC INDUSTRIES INC
		DATE OF NAME CHANGE:	19821108

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mercer Robert B
		CENTRAL INDEX KEY:			0001501527

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34483
		FILM NUMBER:		17834075

	MAIL ADDRESS:	
		STREET 1:		15 VIA DI NOLA
		CITY:			LAGUNA NIGUEL
		STATE:			CA
		ZIP:			92677
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_149453182507311.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-05-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000275053</issuerCik>
        <issuerName>NATURES SUNSHINE PRODUCTS INC</issuerName>
        <issuerTradingSymbol>NATR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001501527</rptOwnerCik>
            <rptOwnerName>Mercer Robert B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2500 WEST EXECUTIVE PARKWAY, SUITE 100</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LEHI</rptOwnerCity>
            <rptOwnerState>UT</rptOwnerState>
            <rptOwnerZipCode>84043</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-05-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5682</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>27619</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">These shares are in the form of restricted stock units (RSUs). Each RSU represents the right to receive one share of NATR common stock. These RSUs vest in monthly installments from the initial grant date through May 9, 2018.</footnote>
        <footnote id="F2">Prior Forms 4 for the Reporting Person did not include shares acquired by the Reporting Person upon the automatic reinvestment of dividends. This Form 4 corrects the omission and presents the correct number of shares directly owned by the Reporting Person.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Joseph W. Baty as attorney-in-fact for Robert B. Mercer</signatureName>
        <signatureDate>2017-05-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
