As filed with the U.S. Securities and Exchange Commission on January 21, 2026 Registration No. 333-292125 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Amendment No. 1 to FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 20/20 BIOLABS, INC. (Exact name of registrant as specified in its charter) Delaware 8734 57-2272107 (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification Number) 15810 Gaither Road, Suite 235 Gaithersburg, MD 20877 ...