<SEC-DOCUMENT>0001786427-19-000004.txt : 20190828
<SEC-HEADER>0001786427-19-000004.hdr.sgml : 20190828
<ACCEPTANCE-DATETIME>20190828174640
ACCESSION NUMBER:		0001786427-19-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190807
FILED AS OF DATE:		20190828
DATE AS OF CHANGE:		20190828

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Zou Lily
		CENTRAL INDEX KEY:			0001786427

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34483
		FILM NUMBER:		191062978

	MAIL ADDRESS:	
		STREET 1:		C/O NATURE'S SUNSHINE PRODUCTS, INC.
		STREET 2:		2901 W. BLUEGRASS BLVD. STE 500
		CITY:			LEHI
		STATE:			UT
		ZIP:			84043

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:		2901 WEST BLUEGRASS BLVD.
		STREET 2:		SUITE 100
		CITY:			LEHI
		STATE:			UT
		ZIP:			84043
		BUSINESS PHONE:		(801) 341-7900

	MAIL ADDRESS:	
		STREET 1:		2901 WEST BLUEGRASS BLVD.
		STREET 2:		SUITE 100
		CITY:			LEHI
		STATE:			UT
		ZIP:			84043

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMTEC INDUSTRIES INC
		DATE OF NAME CHANGE:	19821108
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_156702878130474.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-08-07</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001786427</rptOwnerCik>
            <rptOwnerName>Zou Lily</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O NATURE'S SUNSHINE PRODUCTS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2901 WEST BLUEGRASS BLVD.</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></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>8.72</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2019-08-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>25000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2019-08-07</value>
            </exerciseDate>
            <expirationDate>
                <value>2029-08-07</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>25000.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>25000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Joseph W. Baty as attorney-in-fact for Lily Zou</signatureName>
        <signatureDate>2019-08-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
