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</LabelSeparator><Level>2</Level><ElementName>mslp_ScheduleOfShareBasedCompensationRestrictedStockUnitsTextBlock</ElementName><ElementPrefix>mslp_</ElementPrefix><IsBaseElement>false</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><PreferredLabelRole>verboseLabel</PreferredLabelRole><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="P01_01_2013To06_30_2013" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>              &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif "&gt;  &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  &lt;strong&gt;&lt;u&gt;Note 6: Restricted Stock Units&lt;/u&gt;&lt;/strong&gt;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  &amp;#160;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  In November 2012, the Company granted the Executive Vice President  and Co-Chairman, Mr. John H. Bluher, &lt;font style=" FONT-SIZE: 10pt"&gt;70,589&lt;/font&gt; restricted stock units through a  restricted stock unit agreement. Each restricted stock unit  represents a contingent right to receive one share of the  Company&amp;#8217;s common stock upon vesting. The value of this award  at the grant date was $&lt;font style=" FONT-SIZE: 10pt"&gt;245,400&lt;/font&gt; and will be amortized over the  vesting periods such that each tranche of restricted stock units  will be fully amortized at the date of vesting.&amp;#160; The  restricted stock units vest in one tranche of &lt;font style=" FONT-SIZE: 10pt"&gt;23,529&lt;/font&gt; on January 1, 2013 and two  tranches of &lt;font style=" FONT-SIZE: 10pt"&gt;23,530&lt;/font&gt; shares on  January 1, 2014 and December 1, 2014.&amp;#160; As of June 30, 2013,  &lt;font style=" FONT-SIZE: 10pt"&gt;23,529&lt;/font&gt; restricted stock units  have vested and the unamortized portion of this award is $&lt;font  style=" FONT-SIZE: 10pt"&gt;123,036&lt;/font&gt;.&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; TEXT-INDENT: 0.5in; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  &amp;#160;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  In November 2012, the Company granted the Chief Financial Officer,  Mr. L. Gary Davis, &lt;font style=" FONT-SIZE: 10pt"&gt;58,824&lt;/font&gt;  restricted stock units through a restricted stock unit agreement.  Each restricted stock unit represents a contingent right to receive  one share of the Company&amp;#8217;s common stock upon vesting. The  value of this award at the grant date was $&lt;font style=" FONT-SIZE: 10pt"&gt;204,500&lt;/font&gt; and will be amortized over the  vesting periods such that each tranche of restricted stock units  will be fully amortized at the date of vesting.&amp;#160; The  restricted stock units vest in three tranches of &lt;font style=" FONT-SIZE: 10pt"&gt;19,608&lt;/font&gt; shares each on January 1, 2013 and  2014, and December 1, 2014.&amp;#160; As of June 30, 2013, &lt;font style=" FONT-SIZE: 10pt"&gt;19,608&lt;/font&gt; restricted stock units have vested  and the unamortized portion of this award is $&lt;font style=" FONT-SIZE: 10pt"&gt;102,530&lt;/font&gt;.&lt;/div&gt;  &lt;/div&gt;        </NonNumbericText><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell><Cell FlagID="0" ContextID="P01_01_2012To12_31_2012" UnitID=""><Id>2</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>              &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif "&gt;  &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt"&gt;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt"&gt;  &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt"&gt;&lt;b&gt;&lt;u&gt;  &lt;font size="2"&gt;Note 6: Restricted Stock Units&lt;/font&gt;&lt;/u&gt;&lt;/b&gt;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt"&gt;&lt;font  size="2"&gt;&amp;#160;&lt;/font&gt;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  In November 2012, the Company granted the COO, John H. Bluher,  &lt;font style=" FONT-SIZE: 10pt"&gt;70,589&lt;/font&gt; restricted stock units  through a restricted stock unit agreement. Each restricted stock  unit represents a contingent right to receive one share of the  Company&amp;#8217;s common stock upon vesting. The value of this award  at the grant date was $&lt;font style=" FONT-SIZE: 10pt"&gt;245,400&lt;/font&gt; and will be amortized over the  vesting periods such that each tranche of restricted stock units  will be fully amortized at the date of vesting. The restricted  stock units will vest in tranche of &lt;font style=" FONT-SIZE: 10pt"&gt;  23,529&lt;/font&gt; on January 1, 2013 and two tranches of &lt;font style=" FONT-SIZE: 10pt"&gt;23,530&lt;/font&gt; shares on January 1, 2014 and  December 1, 2014. As of December 31, 2012, no restricted stock  units have vested and the unamortized portion of this award is  $&lt;font style=" FONT-SIZE: 10pt"&gt;163,600&lt;/font&gt;.&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt"&gt;&lt;font  size="2"&gt;&amp;#160;&lt;/font&gt;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;TEXT-ALIGN: justify; MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  In November 2012, the Company granted the CFO, L. Gary Davis, &lt;font  style=" FONT-SIZE: 10pt"&gt;58,824&lt;/font&gt; restricted stock units  through a restricted stock unit agreement. Each restricted stock  unit represents a contingent right to receive one share of the  Company&amp;#8217;s common stock upon vesting. 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As of December 31, 2012, no restricted  stock units have vested and the unamortized portion of this award  $&lt;font style=" FONT-SIZE: 10pt"&gt;136,333&lt;/font&gt;.&lt;/div&gt;  &lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt"&gt;&lt;/div&gt;  &lt;/div&gt;        </NonNumbericText><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>nonnum:textBlockItemType</ElementDataType><SimpleDataType>na</SimpleDataType><ElementDefenition>The entire disclosure for schedule of share based compensation restricted stock and restricted stock units.</ElementDefenition><ElementReferences>No definition available.</ElementReferences><IsTotalLabel>false</IsTotalLabel><UnitID>0</UnitID><Label>Compensation and Employee Benefit Plans [Text Block]</Label></Row></Rows><Footnotes /><IsEquityReport>false</IsEquityReport><ReportName>Restricted Stock Units</ReportName><MonetaryRoundingLevel>UnKnown</MonetaryRoundingLevel><SharesRoundingLevel>UnKnown</SharesRoundingLevel><PerShareRoundingLevel>UnKnown</PerShareRoundingLevel><ExchangeRateRoundingLevel>UnKnown</ExchangeRateRoundingLevel><HasCustomUnits>true</HasCustomUnits><IsEmbedReport>false</IsEmbedReport><IsMultiCurrency>false</IsMultiCurrency><ReportType>Sheet</ReportType><RoleURI>http://www.musclepharm.com/role/RestrictedStockUnits</RoleURI><NumberOfCols>2</NumberOfCols><NumberOfRows>2</NumberOfRows></InstanceReport>
