Exhibit 1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, each of the undersigned hereby agrees to the joint filing on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the common stock of 20/20 Biolabs, Inc., and that this Agreement be included as an Exhibit to such joint filing.

Each of the undersigned acknowledges that each shall be responsible for the timely filing of any statement (including amendments) on Schedule 13G, and for the completeness and accuracy of the information concerning him, her, or it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the other persons making such filings, except to the extent that he, she, or it knows or has reason to believe that such information is inaccurate.

Dated: March 10, 2026	Full Succeed International Limited

	By:	/s/ Nengyuan Pan
	Name:	Nengyuan Pan
	Title:	Director

	/s/ Nengyuan Pan
	Nengyuan Pan

	/s/ Wei Lu
	Wei Lu

20/20 Biolabs, Inc. SCHEDULE 13G