United States securities and exchange commission logo September 23, 2021 John Poss Chief Executive Officer GB SCIENCES INC 3550 W. Teco Avenue Las Vegas NV 89118 Re: GB SCIENCES INC Registration Statement on Form S-1 File No. 333-259606 Filed September 17, 2021 Dear Mr. Poss: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Please contact Michael Purcell at 202-551-5351 with any questions. Sincerely, Division of Corporation Finance Office of Energy & Transportation cc: Gary R. Henrie