UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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Schedule 14A Information

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

(Amendment No. )

____________________

Filed by the Registrant ý

Filed by a party other than the Registrant ¨

Check the appropriate box:

¨Preliminary Proxy Statement

¨Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

¨Definitive Proxy Statement

ýDefinitive Additional Materials

¨Soliciting Material under §240.14a-12

LIFEVANTAGE CORPORATION

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check all boxes that apply):

ýNo fee required

¨Fee paid previously with preliminary materials

¨Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

On October 13, 2023, LifeVantage Corporation (the “Company”) issued an investor presentation in connection with its upcoming 2024 annual meeting of stockholders (the “Annual Meeting”). A copy of the presentation is attached hereto as Exhibit 1.

Important Additional Information

The Company, its directors and certain of its executive officers are participants in the solicitation of proxies from the Company’s stockholders in connection with the Annual Meeting.The Company filed its definitive proxy statement and a WHITE universal proxy card with the SEC on September 22, 2023 in connection with any such solicitation of proxies from the Company’s stockholders. STOCKHOLDERS OF THE COMPANY ARE STRONGLY ENCOURAGED TO READ SUCH PROXY STATEMENT, ACCOMPANYING WHITE UNIVERSAL PROXY CARD AND ALL OTHER DOCUMENTS FILED WITH THE SEC CAREFULLY AND IN THEIR ENTIRETY AS THEY CONTAIN IMPORTANT INFORMATION. The Company’s definitive proxy statement for the Annual Meeting contains information regarding the direct and indirect interests, by security holdings or otherwise, of the Company’s directors and executive officers in the Company’s securities. Information regarding subsequent changes to their holdings of the Company’s securities can be found in the SEC filings on Forms 3, 4 and 5, which are available on the Company’s website at investor.lifevantage.com/financial-information/sec-filings or through the SEC’s website at www.sec.gov. Information can also be found in the Company’s other SEC filings, including its Annual Report on Form 10-K for the year ended June 30, 2023, filed on August 28, 2023. Stockholders can obtain the definitive proxy statement, any amendments or supplements to the proxy statement and other documents filed by the Company with the SEC at no charge at the SEC’s website at www.sec.gov. Copies are also available at no charge on the Company’s website at investor.lifevantage.com/financial-information/sec-filings.