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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>UNITED STATES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Washington D.C. 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>FORM 8-K</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>CURRENT REPORT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>PURSUANT TO SECTION 13 OR 15(D) OF</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>THE SECURITIES EXCHANGE ACT OF 1934</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">Date of Report (Date of earliest event reported):<B>
March 2, 2012</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>MusclePharm Corporation</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Exact name of registrant as specified in its
charter)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 34%; font-size: 10pt; font-weight: bold; text-align: center">Nevada</TD>
    <TD STYLE="width: 33%; font-size: 10pt; font-weight: bold; text-align: center">000-53166</TD>
    <TD STYLE="width: 33%; font-size: 10pt; font-weight: bold; text-align: center">77-0664193</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(State or other jurisdiction</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">of incorporation)</P></TD>
    <TD STYLE="font-size: 10pt; text-align: center">(Commission File No.)</TD>
    <TD>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(I.R.S. Employer</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">Identification Number)</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>4721 Ironton Street, Building A</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Denver, Colorado 80239</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Address of principal executive offices)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>(303) 396-6100</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Registrant&rsquo;s telephone number, including
area code)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Check the appropriate box below if the Form
8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; font: 10pt Wingdings">&uml;</TD>
    <TD STYLE="width: 97%; font-size: 10pt">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; font: 10pt Wingdings">&uml;</TD>
    <TD STYLE="width: 97%; font-size: 10pt">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; font: 10pt Wingdings">&uml;</TD>
    <TD STYLE="width: 97%; font-size: 10pt">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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<TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; font: 10pt Wingdings">&uml;</TD>
    <TD STYLE="width: 97%; font-size: 10pt">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 1.01. Entry into a Material Definitive Agreement.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">On March 2, 2012, MusclePharm Corporation,
a Nevada corporation (the &ldquo;<U>Company</U>&rdquo;), closed on an offering by which it entered into a series of subscription
agreements, pursuant to which the Company issued promissory notes (the &ldquo;<U>Notes</U>&rdquo;) and warrants (the &ldquo;<U>Warrants</U>&rdquo;)
to four (4) accredited investors.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The information set forth in Item 2.03 and
Item 3.02 of this Current Report on Form 8-K is incorporated by reference into this Item 1.01.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><B>Item 2.03 Creation of a Direct Financial
Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The Notes, in the aggregate, are in the principal
amount of Five Hundred and Eighty Seven Thousand and Five Hundred Dollars ($587,500) and mature eighteen (18) months following
issuance thereof. The interest rate is fifteen percent (15%) per annum. The Company agrees that it will establish a segregated
account from the Company&rsquo;s omnibus account in which shall be deposited 10% of cash from payments on accounts receivable and
advances from manufacturers and end-user clients, and a portion of which shall be used for payment of interest and repayment of
principal. The Notes contain customary default and covenant provisions.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The foregoing description of the Notes is not
intended to be complete and is qualified in its entirety by the complete text of that document, a form of which is attached hereto
as an exhibit to this Current Report on Form 8-K.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><B>Item 3.02. Unregistered Sales of Equity
Securities.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Simultaneous with the issuance of the Notes,
the Company issued an aggregate of 39,166,667 Warrants in connection with the offering. The Warrants are exercisable at a price
equal to $0.015 for a two year period commencing six (6) months after the issuance of the Warrant. The Warrants also feature a
cashless exercise provision.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The warrants and the shares underlying the
warrants were issued pursuant to exemptions from registration provided by Section 4(2) of the Securities Act of 1933, as amended,
and/or Regulation D promulgated thereunder.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The foregoing description of the Warrants is
not intended to be complete and is qualified in its entirety by the complete text of that document, a form of which is attached
hereto as an exhibit to this Current Report on Form 8-K.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><B>Item 9.01 Financial Statements and Exhibits.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">(d) Exhibits</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 13%; font-weight: bold">Exhibit No.</TD>
    <TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 85%; font-weight: bold">Description</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>4.1</TD>
    <TD>&nbsp;</TD>
    <TD>Form of Note</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>4.2</TD>
    <TD>&nbsp;</TD>
    <TD>Form of Warrant</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>10.1</TD>
    <TD>&nbsp;</TD>
    <TD>Form of Subscription Agreement</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>SIGNATURES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Pursuant to the requirements of the Securities Exchange Act of 1934,
the Registrant has duly caused this Report to be signed on its behalf by the undersigned hereunto duly authorized.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-weight: bold; text-align: left">MUSCLEPHARM CORPORATION</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 51%">&nbsp;</TD>
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 46%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>Date: March 8, 2012</TD>
    <TD>By:</TD>
    <TD STYLE="border-bottom: windowtext 1pt solid; font-style: italic">&nbsp;/s/ Brad J. Pyatt</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Name: Brad J. Pyatt</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Title: Chief Executive Officer</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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[{"type": "8-K", "sequence": "1", "filename": "v305180_8k.htm", "description": "FORM 8-K", "secsgml_size_bytes": 14943}]
{"company-data": {"conformed-name": "MusclePharm Corp", "cik": "0001415684", "assigned-sic": "2834", "irs-number": "770664193", "state-of-incorporation": "NV", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-53166", "film-number": "12678133"}, "business-address": {"street1": "4721 IRONTON STREET", "city": "DENVER", "state": "CO", "zip": "80239", "phone": "(800) 210-7369"}, "mail-address": {"street1": "4721 IRONTON STREET", "city": "DENVER", "state": "CO", "zip": "80239"}, "former-company": {"former-conformed-name": "Tone in Twenty", "date-changed": "20071018"}}
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington D.C. 20549
FORM 8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(D) OF
THE SECURITIES EXCHANGE ACT OF 1934
Date of Report (Date of earliest event reported):
March 2, 2012
MusclePharm Corporation
(Exact name of registrant as specified in its
charter)
Nevada
000-53166
77-0664193
(State or other jurisdiction
of incorporation)
(Commission File No.)
(I.R.S. Employer
Identification Number)
4721 Ironton Street, Building A
Denver, Colorado 80239
(Address of principal executive offices)
(303) 396-6100
(Registrant's telephone number, including
area code)
Check the appropriate box below if the Form
8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
¨
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
¨
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
¨
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
¨
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 1.01. Entry into a Material Definitive Agreement.
On March 2, 2012, MusclePharm Corporation,
a Nevada corporation (the "
Company
"), closed on an offering by which it entered into a series of subscription
agreements, pursuant to which the Company issued promissory notes (the "
Notes
") and warrants (the "
Warrants
")
to four (4) accredited investors.
The information set forth in Item 2.03 and
Item 3.02 of this Current Report on Form 8-K is incorporated by reference into this Item 1.01.
Item 2.03 Creation of a Direct Financial
Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.
The Notes, in the aggregate, are in the principal
amount of Five Hundred and Eighty Seven Thousand and Five Hundred Dollars ($587,500) and mature eighteen (18) months following
issuance thereof. The interest rate is fifteen percent (15%) per annum. The Company agrees that it will establish a segregated
account from the Company's omnibus account in which shall be deposited 10% of cash from payments on accounts receivable and
advances from manufacturers and end-user clients, and a portion of which shall be used for payment of interest and repayment of
principal. The Notes contain customary default and covenant provisions.
The foregoing description of the Notes is not
intended to be complete and is qualified in its entirety by the complete text of that document, a form of which is attached hereto
as an exhibit to this Current Report on Form 8-K.
Item 3.02. Unregistered Sales of Equity
Securities.
Simultaneous with the issuance of the Notes,
the Company issued an aggregate of 39,166,667 Warrants in connection with the offering. The Warrants are exercisable at a price
equal to $0.015 for a two year period commencing six (6) months after the issuance of the Warrant. The Warrants also feature a
cashless exercise provision.
The warrants and the shares underlying the
warrants were issued pursuant to exemptions from registration provided by Section 4(2) of the Securities Act of 1933, as amended,
and/or Regulation D promulgated thereunder.
The foregoing description of the Warrants is
not intended to be complete and is qualified in its entirety by the complete text of that document, a form of which is attached
hereto as an exhibit to this Current Report on Form 8-K.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits
Exhibit No.
Description
4.1
Form of Note
4.2
Form of Warrant
10.1
Form of Subscription Agreement
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934,
the Registrant has duly caused this Report to be signed on its behalf by the undersigned hereunto duly authorized.
MUSCLEPHARM CORPORATION
Date: March 8, 2012
By:
/s/ Brad J. Pyatt
Name: Brad J. Pyatt
Title: Chief Executive Officer