<SEC-DOCUMENT>0001263696-21-000007.txt : 20210322
<SEC-HEADER>0001263696-21-000007.hdr.sgml : 20210322
<ACCEPTANCE-DATETIME>20210322105739
ACCESSION NUMBER:		0001263696-21-000007
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210318
FILED AS OF DATE:		20210322
DATE AS OF CHANGE:		20210322

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BATY JOSEPH W
		CENTRAL INDEX KEY:			0001263696

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34483
		FILM NUMBER:		21760460

	MAIL ADDRESS:	
		STREET 1:		2901 W BLUEGRASS BLVD
		STREET 2:		SUITE 100
		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_161642504607753.xml
<DESCRIPTION>FORM 4
<TEXT>
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    <documentType>4</documentType>

    <periodOfReport>2021-03-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001263696</rptOwnerCik>
            <rptOwnerName>BATY JOSEPH W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2901 W. BLUEGRASS BLVD. #100</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LEHI</rptOwnerCity>
            <rptOwnerState>UT</rptOwnerState>
            <rptOwnerZipCode>84043</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP &amp; Chief Financial Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2021-03-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
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                <transactionPricePerShare>
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                <sharesOwnedFollowingTransaction>
                    <value>116866</value>
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            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
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                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>1467</value>
                    <footnoteId id="F2"/>
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                <transactionPricePerShare>
                    <value>19.83</value>
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                <transactionAcquiredDisposedCode>
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                </transactionAcquiredDisposedCode>
            </transactionAmounts>
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                <sharesOwnedFollowingTransaction>
                    <value>115399</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
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            <transactionDate>
                <value>2021-03-18</value>
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                <equitySwapInvolved>0</equitySwapInvolved>
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                    <footnoteId id="F3"/>
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                <transactionAcquiredDisposedCode>
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                <directOrIndirectOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2021-03-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>543</value>
                    <footnoteId id="F4"/>
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                <transactionPricePerShare>
                    <value>19.83</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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                <sharesOwnedFollowingTransaction>
                    <value>117078</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Performance Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-03-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>6000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <value>2021-12-04</value>
                <footnoteId id="F5"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6000.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>18000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Performance Units</value>
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            <conversionOrExercisePrice>
                <footnoteId id="F3"/>
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            <transactionDate>
                <value>2021-03-18</value>
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            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>2222</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <value>2022-03-06</value>
                <footnoteId id="F6"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2222.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6667</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">These shares are vested shares resulting from the achievement of a share price milestone pursuant to a December 21, 2018 performance-based restricted stock unit grant (PRSU). The shares vested upon achievement of the $17.20 share price milestone over a period of 45-trading days. One-sixth of the PRSU grant vests upon the achievement of each milestone.</footnote>
        <footnote id="F2">Represents shares of NATR common stock withheld to pay taxes upon vesting of performance-based restricted stock units originally granted to the Reporting Person on December 21, 2018. The number of shares withheld was determined on March 18, 2021, based on the closing price of NATR common stock on that date.</footnote>
        <footnote id="F3">These shares are vested shares resulting from the achievement of a share price milestone pursuant to a March 6, 2019 performance-based restricted stock unit grant (PRSU). The shares vested upon achievement of the $17.20 share price milestone over a period of 45-trading days. One-sixth of the PRSU grant vests upon the achievement of each milestone.</footnote>
        <footnote id="F4">Represents shares of NATR common stock withheld to pay taxes upon vesting of performance-based restricted stock units originally granted to the Reporting Person on March 6, 2019. The number of shares withheld was determined on March 18, 2021, based on the closing price of NATR common stock on that date.</footnote>
        <footnote id="F5">These shares are in the form of performance-based restricted stock units (PRSUs). Each PRSU represents the right to receive one share of NATR common stock. The vesting of the PRSUs is contingent upon six growth rate milestones related to NATR's closing stock price that may be attained within a three-year performance period ending December 4, 2021. PRSUs vest in six equal installments at each of the six following stock price milestones: $11.77; $14.48; $17.20; $19.91; $22.63; and $25.34.</footnote>
        <footnote id="F6">These shares are in the form of performance-based restricted stock units (PRSUs). Each PRSU represents the right to receive one share of NATR common stock. The vesting of the PRSUs is contingent upon six growth rate milestones related to NATR's closing stock price that may be attained within a three-year performance period ending March 6, 2022. PRSUs vest in six equal installments at each of the six following stock price milestones: $11.77; $14.48; $17.20; $19.91; $22.63; and $25.34.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Joseph W. Baty</signatureName>
        <signatureDate>2021-03-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</DOCUMENT>
</SEC-DOCUMENT>
