| Cover | Oct. 01, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Oct. 1, 2021 |
| Entity File Number | 000-54872 |
| Entity Registrant Name | SILO PHARMA, INC. |
| Entity Central Index Key | 0001514183 |
| Entity Tax Identification Number | 27-3046338 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 560 Sylvan Ave |
| Entity Address, Address Line Two | Suite 3160 |
| Entity Address, City or Town | Englewood Cliffs |
| Entity Address, State or Province | NJ |
| Entity Address, Postal Zip Code | 07632 |
| City Area Code | (718) |
| Local Phone Number | 400-9031 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
