Exhibit 32.1

Certification of Chief Executive Officer

Pursuant to 18 U.S.C. Section 1350 as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned, Robert Galvin, Interim Chief Executive Officer of iAnthus Capital Holdings, Inc. (the “Company”), hereby certifies that based on the undersigned’s knowledge:



The Company’s quarterly report on Form 10-Q for the period ended March 31, 2022 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and



The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.


Date: May 12, 2022      

/s/ Robert Galvin


Robert Galvin


Interim Chief Executive Officer and President


(Principal Executive Officer)