<SEC-DOCUMENT>0000849146-19-000012.txt : 20190110
<SEC-HEADER>0000849146-19-000012.hdr.sgml : 20190110
<ACCEPTANCE-DATETIME>20190110162155
ACCESSION NUMBER:		0000849146-19-000012
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190108
FILED AS OF DATE:		20190110
DATE AS OF CHANGE:		20190110

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Jensen Darren Jay
		CENTRAL INDEX KEY:			0001642848

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35647
		FILM NUMBER:		19520444

	MAIL ADDRESS:	
		STREET 1:		C/O LIFEVANTAGE CORPORATION
		STREET 2:		9785 SOUTH MONROE ST. SUITE 300
		CITY:			SANDY
		STATE:			UT
		ZIP:			84070

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Lifevantage Corp
		CENTRAL INDEX KEY:			0000849146
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				841097796
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		9785 S. MONROE STREET
		STREET 2:		SUITE 300
		CITY:			SANDY
		STATE:			UT
		ZIP:			84070
		BUSINESS PHONE:		801-432-9000

	MAIL ADDRESS:	
		STREET 1:		9785 S. MONROE STREET
		STREET 2:		SUITE 300
		CITY:			SANDY
		STATE:			UT
		ZIP:			84070

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LIFELINE THERAPEUTICS, INC.
		DATE OF NAME CHANGE:	20041019

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	YAAK RIVER RESOURCES INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ANDRAPLEX CORP
		DATE OF NAME CHANGE:	19920406
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_154715529715897.xml
<DESCRIPTION>FORM 4
<TEXT>
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    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-01-08</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000849146</issuerCik>
        <issuerName>Lifevantage Corp</issuerName>
        <issuerTradingSymbol>LFVN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001642848</rptOwnerCik>
            <rptOwnerName>Jensen Darren Jay</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>9785 SOUTH MONROE STREET, SUITE 400</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SANDY</rptOwnerCity>
            <rptOwnerState>UT</rptOwnerState>
            <rptOwnerZipCode>84070</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
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            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
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            <transactionDate>
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            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>35053</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>235088</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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        <nonDerivativeTransaction>
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                <value>Common Stock</value>
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            <transactionCoding>
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                <transactionCode>A</transactionCode>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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                <sharesOwnedFollowingTransaction>
                    <value>363088</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F3"/>
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            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                <transactionPricePerShare>
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        </nonDerivativeTransaction>
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    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Performance Stock Units</value>
                <footnoteId id="F4"/>
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            <conversionOrExercisePrice>
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            <transactionDate>
                <value>2019-01-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value>E</value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>35053</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
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                <transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F5"/>
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            <expirationDate>
                <footnoteId id="F5"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>35053.0</value>
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                <sharesOwnedFollowingTransaction>
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                    <value>D</value>
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    <footnotes>
        <footnote id="F1">This reflects a stock unit award, in which each stock unit represents a right to receive one share of issuer common stock, which award will vest, subject to the reporting person's continued service with the issuer, as follows: (i) 1/2 of the total number of units will vest on the first anniversary of the grant date and (ii) an additional 1/12 of the total number of units will vest as of the first day of each calendar quarter thereafter.</footnote>
        <footnote id="F2">This reflects a stock unit award, in which each stock unit represents a right to receive one share of issuer common stock, which award will vest, subject to the reporting person's continued service with the issuer, as follows: (i) 1/3 of the total number of units will vest on the first anniversary of the grant date and (ii) an additional 1/12 of the total number of units will vest as of the first day of each calendar quarter thereafter.</footnote>
        <footnote id="F3">This reflects a stock unit award that the reporting person elected to receive in lieu of cash in satisfaction of a phantom award granted on February 2, 2018.  Each stock unit represents a right to receive one share of issuer common stock, which award will vest, subject to the reporting person's continued service with the issuer, on the one-year anniversary of the grant date.</footnote>
        <footnote id="F4">Each performance unit award represents a right to receive one share of issuer common stock, with the total number of units reflecting the number that are eligible to be earned at target-level performance achievement. Upon achievement of the maximum level of the applicable performance criteria, the reporting person may become eligible to earn 200% of the target number of units.</footnote>
        <footnote id="F5">The performance units will vest only to the extent the specified financial performance criteria are achieved and subject to the reporting person's continued service with the issuer, as follows: (i) 1/2 of the earned award will vest on the first anniversary of the grant date and (ii) an additional 1/12 of the earned award will vest as of the first day of each calendar quarter thereafter.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Darren Jay Jensen</signatureName>
        <signatureDate>2019-01-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
