Exhibit
23.1

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 February 20, 2024 which includes
an explanatory paragraph as to the Company’s ability to continue as a going concern, relating to the consolidated financial statements
of Impact Biomedical, Inc. as of and for the years ended December 31, 2023 and 2022. We also consent to the reference of our firm under
the heading “Experts” appearing therein.

GRASSI
& CO., CPAs, P.C.
June
11, 2024