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Cover
 9 Months Ended
Sep. 30, 2022
Cover [Abstract]  
Document Type S-1
Amendment Flag false
Entity Registrant Name SHUTTLE PHARMACEUTICALS HOLDINGS, INC.
Entity Central Index Key 0001757499
Entity Tax Identification Number 82-5089826
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One One Research Court
Entity Address, Address Line Two Suite 450
Entity Address, City or Town Rockville
Entity Address, State or Province MD
Entity Address, Postal Zip Code 20850
City Area Code 240
Local Phone Number 403-4212
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false