-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001455244-10-000109.txt : 20100611
<SEC-HEADER>0001455244-10-000109.hdr.sgml : 20100611
<ACCEPTANCE-DATETIME>20100611172047
ACCESSION NUMBER:		0001455244-10-000109
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100611
FILED AS OF DATE:		20100611
DATE AS OF CHANGE:		20100611

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Schonharting Florian
		CENTRAL INDEX KEY:			0001360509

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	333-112754
		FILM NUMBER:		10893246

	MAIL ADDRESS:	
		STREET 1:		OSTERGADE 5, 3RD FLOOR
		STREET 2:		DK-1100
		CITY:			COPENHAGEN
		STATE:			G7
		ZIP:			G7

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Osteologix, Inc.
		CENTRAL INDEX KEY:			0001278129
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				320104570
		STATE OF INCORPORATION:			DE

	BUSINESS ADDRESS:	
		STREET 1:		4415 COX ROAD
		CITY:			GLEN ALLEN
		STATE:			VA
		ZIP:			23060
		BUSINESS PHONE:		(804) 747-6025

	MAIL ADDRESS:	
		STREET 1:		4415 COX ROAD
		CITY:			GLEN ALLEN
		STATE:			VA
		ZIP:			23060

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CASTLE & MORGAN HOLDINGS INC
		DATE OF NAME CHANGE:	20040130
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-06-11</periodOfReport>

    <issuer>
        <issuerCik>0001278129</issuerCik>
        <issuerName>Osteologix, Inc.</issuerName>
        <issuerTradingSymbol>OLGX OB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001360509</rptOwnerCik>
            <rptOwnerName>Schonharting Florian</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>OSTERGADE 5, 3RD FLOOR, DK-1100</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>COPENHAGEN K</rptOwnerCity>
            <rptOwnerState>G7</rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription>DENMARK</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.0001 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2010-06-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1494532</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>.5018</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6517264</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Nordic Biotech Opportunity Fund K/S</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, par value $0.0001 per share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15133061</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Nordic Biotech K/S</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, par value $0.0001 per share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>20000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Mr. Sch?nharting is a principal of Nordic Biotech Opportunity Fund K/S, which is the record holder of 6,517,264 shares of Common Stock. Mr. Sch?nharting disclaims beneficial ownership of the securities held by Nordic Biotech Opportunity Fund K/S, except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F2">Mr. Sch?nharting is a principal of Nordic Biotech K/S, which is the record holder of 15,133,061 shares of Common Stock. Mr. Sch?nharting disclaims beneficial ownership of the securities held by Nordic Biotech K/S, except to the extent of his pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ James E. Dawson, as attorney in fact</signatureName>
        <signatureDate>2010-06-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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