| Cover | May 24, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | May 24, 2023 |
| Entity File Number | 001-41488 |
| 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 | 430-4212 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock $0.00001 per share |
| Trading Symbol | SHPH |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
