NLS Pharmaceutics (NLSP) 6-K Report of Foreign Private Issuer

Exhibit 99.4

Kost Forer Gabbay & Kasierer
144A Derech Menachem Begin
Tel Aviv 6492102   Tel.: +972-3-6232525
Fax: +972-3-5622555
ey.com

November 11, 2024

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the following registration statements:

(1) Registration Statement (Form F-3 No. 333-262489) of NLS Pharmaceutics Ltd.

(2) Registration Statement (Form F-3 No. 333-262489) of NLS Pharmaceutics Ltd., and

(3) Registration Statement (Form F-3 No. 333-268690) of NLS Pharmaceutics Ltd.,

of our report dated November 7, 2024, with respect to the financial statements of Kadimastem Ltd. for the year ended December 31, 2023 included in this report on Form 6-K.

/s/ Kost Forer Gabbay & Kasierer

Kost Forer Gabbay & Kasierer

A member firm of EY Global

Tel Aviv, Israel

November 11, 2024