v3.26.1
Cover - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Mar. 26, 2026
Jun. 30, 2025
Document Information [Line Items]      
Document Type 10-K    
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 false    
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   8,786,229