Cover - USD ($) $ in Millions	12 Months Ended
Cover - USD ($) $ in Millions	Dec. 31, 2025	Jun. 11, 2026	Jun. 30, 2025
Document Information [Line Items]
Document Type	10-K/A
Document Annual Report	true
Document Transition Report	false
Document Financial Statement Error Correction [Flag]	false
Entity Interactive Data Current	Yes
ICFR Auditor Attestation Flag	false
Amendment Flag	true
Amendment Description	On April 1, 2026, Adaptin Bio, Inc. (the “Company”) filed with the Securities and Exchange Commission (“SEC”) its Annual Report on Form 10-K for the year ended December 31, 2025 (the “Original Form 10-K”).This Amendment No. 1 to Form 10-K (the “Form 10-K/A”) of the Company is being filed solely to amend Item 15(b) and Exhibit 23.1 to include an updated consent of WithumSmith+Brown, PC, the Company’s independent registered public accounting firm, to include references to a registration statement of the Company which was inadvertently omitted from the original consent filed.This Form 10-K/A should be read in conjunction with the Original Form 10-K and includes only the portions of the Original Form 10-K being supplemented or amended by this Form 10-K/A. Other than as described in this explanatory note, this Form 10-K/A does not change any of the financial or other information set forth in the Original Form 10-K or the exhibits thereto. This Form 10-K/A does not reflect events that may have occurred subsequent to the filing of the Original Form 10-K.
Document Period End Date	Dec. 31, 2025
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	FY
Documents Incorporated by Reference [Text Block]	Not applicable
Entity Registrant Name	ADAPTIN BIO, INC.
Entity Central Index Key	0001938571
Entity File Number	000-56583
Entity Tax Identification Number	88-1566415
Entity Incorporation, State or Country Code	DE
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Public Float			$ 9.3
Entity Address, Address Line One	3540 Toringdon Way
Entity Address, Address Line Two	Suite 200
Entity Address, Address Line Three	#250
Entity Address, City or Town	Charlotte
Entity Address, State or Province	NC
Entity Address, Postal Zip Code	28277
City Area Code	(888)
Local Phone Number	609-1498
Title of 12(b) Security	N/A
No Trading Symbol Flag	true
Entity Common Stock, Shares Outstanding		8,903,229

ADAPTIN BIO, INC. 10-K/A