Exhibit 23.3
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the inclusion in this Registration Statement on Form S-1 of our report dated November 29, 2017, of Sport Endurance, Inc., relating to the audit of the financial statements for the period ending August 31, 2017 and the
reference to our firm under the caption “Experts” in the Registration Statement.
/s/ M&K CPAS, PLLC
www.mkacpas.com
Houston, Texas
October 18, 2019