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<ownershipDocument>

    <schemaVersion>X0305</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-02-21</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001016504</issuerCik>
        <issuerName>INTEGRATED BIOPHARMA INC</issuerName>
        <issuerTradingSymbol>INBP.OB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001102948</rptOwnerCik>
            <rptOwnerName>DESANTIS CARL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CDS INTERNATIONAL HOLDINGS</rptOwnerStreet1>
            <rptOwnerStreet2>3299 NW SECOND AVE</rptOwnerStreet2>
            <rptOwnerCity>BOCA RATON</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33431</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

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                <value>2011-11-21</value>
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            <transactionTimeliness>
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            <transactionTimeliness>
                <value></value>
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                <value>2012-05-21</value>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>50000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
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                    <value>A</value>
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                <directOrIndirectOwnership>
                    <value>I</value>
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                    <value>by CD Financial, LLC</value>
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                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>6% secured convertible note due 2017</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.65</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2012-06-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1</value>
                    <footnoteId id="F13"/>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F13"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2012-06-27</value>
            </exerciseDate>
            <expirationDate>
                <value>2017-07-07</value>
                <footnoteId id="F14"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock, par value $0.002</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>8230768</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1</value>
                    <footnoteId id="F13"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>by CD Financial, LLC</value>
                    <footnoteId id="F12"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Common stock issued to CD Financial, LLC (&quot;CD Financial&quot;) on the eighth 90 day anniversary of February 21, 2008, pursuant to the Securities Purchase Agreement, dated as of February 21, 2008 (the &quot;Original SPA&quot;), by and between the Issuer and CD Financial, which was superseded by the Amended and Restated Securities Purchase Agreement, dated as of June 27, 2012, by and between the Issuer and CD Financial (the &quot;SPA&quot;).</footnote>
        <footnote id="F2">Common stock issued to CD Financial on the ninth 90 day anniversary of February 21, 2008, pursuant to the Original SPA.</footnote>
        <footnote id="F3">Common stock issued to CD Financial on the tenth 90 day anniversary of February 21, 2008, pursuant to the Original SPA.</footnote>
        <footnote id="F4">Common stock issued to CD Financial upon the eleventh 90 day anniversary of February 21, 2008, pursuant to the Original SPA.</footnote>
        <footnote id="F5">Common stock issued to CD Financial upon the twelfth 90 day anniversary of February 21, 2008, pursuant to the Original SPA.</footnote>
        <footnote id="F6">Common stock issued to CD Financial upon the thirteenth 90 day anniversary of February 21, 2008, pursuant to the Original SPA.</footnote>
        <footnote id="F7">Common stock issued to CD Financial upon the fourteenth 90 day anniversary February 21, 2008, pursuant to the Original SPA.</footnote>
        <footnote id="F8">Common stock issued to CD Financial upon the fifteenth 90 day anniversary of February 21, 2008, pursuant to the Original SPA.</footnote>
        <footnote id="F9">Common stock issued to CD Financial upon the sixteenth 90 day anniversary of February 21, 2008, pursuant to the Original SPA.</footnote>
        <footnote id="F10">Common stock issued to CD Financial upon the seventeenth 90 day anniversary of February 21, 2008, pursuant to the Original SPA.</footnote>
        <footnote id="F11">Includes (i) 819,629 shares owned by CDS Group Holdings, LLC, of which the Reporting Person is a manager; (ii) 2,250,000 shares of common stock issuable upon the conversion of the 9.5% Convertible Senior Secured Note, dated as of February 21, 2008, issued by the Issuer and payable to the order of CD Financial, in the original principal amount of $4,500,000 (&quot;Original Note&quot;), which was superseded by the Amended and Restated Secured Convertible Secured Promissory Note, dated as of June 27, 2012, in the original principal amount of $5,300,000 (the &quot;Convertible Note&quot;), issued by the Issuer to CD Financial pursuant to the SPA;  (iii) 2,206,293 shares of common stock owned by CD Financial, and (iv) 54,500 shares of common stock issuable upon exercise of presently exercisable stock options.</footnote>
        <footnote id="F12">The Reporting Person is a manager of CD Financial.</footnote>
        <footnote id="F13">The Convertible Note was issued by the Issuer to CD Financial pursuant to the SPA.  The Reporting Person currently beneficially owns 12,751,750 shares of common stock of the Issuer, which includes (i) 819,629 shares owned by CDS Group Holdings, LLC, of which the Reporting Person is the manager; (ii) 8,230,768 shares of common stock issuable upon the conversion of the Convertible Note; (iii) 2,206,293 shares of common stock owned by CD Financial, and (iv) 54,500 shares of common stock issuable upon exercise of presently exercisable stock options.</footnote>
        <footnote id="F14">The expiration date of the conversion option is the date that the Convertible Note is repaid in full, whether at maturity or otherwise.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Carl DeSantis</signatureName>
        <signatureDate>2012-06-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
