EX-32.1

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, Richard Proud, 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 June 30, 2024 (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: August 14, 2024			/s/ Richard Proud
			Richard Proud
			Chief Executive Officer
			(Principal Executive Officer)