<SEC-DOCUMENT>0000849146-15-000090.txt : 20150825
<SEC-HEADER>0000849146-15-000090.hdr.sgml : 20150825
<ACCEPTANCE-DATETIME>20150825170128
ACCESSION NUMBER:		0000849146-15-000090
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150824
FILED AS OF DATE:		20150825
DATE AS OF CHANGE:		20150825

ISSUER:		

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Jaggi Mark R.
		CENTRAL INDEX KEY:			0001619265

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35647
		FILM NUMBER:		151073716

	MAIL ADDRESS:	
		STREET 1:		662 HAMPTON CT
		CITY:			ALPINE
		STATE:			UT
		ZIP:			84004
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_144053647827727.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2015-08-24</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001619265</rptOwnerCik>
            <rptOwnerName>Jaggi Mark R.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>9785 SOUTH MONROE STREET, SUITE 300</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SANDY</rptOwnerCity>
            <rptOwnerState>UT</rptOwnerState>
            <rptOwnerZipCode>84070</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2015-08-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>120000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>120000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">These shares were acquired pursuant to a restricted stock award granted August 24, 2015, which vests in three equal annual installments one each of August 24, 2016, August 24, 2017, and August 24, 2018, subject to continued service with the Company.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Mark Jaggi</signatureName>
        <signatureDate>2015-08-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
