July 9, 2019 Michael Favish Chief Executive Officer Guardion Health Sciences, Inc. 15150 Avenue of Science, Suite 200 San Diego, CA 92128 Re: Guardion Health Sciences, Inc. Registration Statement on Form S-1 Filed July 3, 2019 File No. 333-232544 Dear Mr. Favish: 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 Ada D. Sarmento at 202-551-3798 with any questions. Sincerely, Division of Corporation Finance Office of Healthcare & Insurance cc: David I. Sunkin, Esq.