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Document And Entity Information | 6 Months Ended
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Jun. 30, 2025
Document Information Line Items |
Entity Central Index Key | 0001558569
Document Type | S-1/A
Entity Registrant Name | iSpecimen Inc.
Entity Filer Category | Non-accelerated Filer
Entity Small Business | true
Entity Emerging Growth Company | true
Entity Ex Transition Period | false
Amendment Description | This Amendment No. 3 to the Registration Statement on Form S-1 (File No. 333-289725) of iSpecimen Inc. (the “Company”), originally filed with the Securities and Exchange Commission (the “Commission”) on August 20, 2025, and subsequently amended on August 25, 2025 and September 8, 2025, is being filed to revise and supplement the Registration Statement in response to comments of the Staff of the Commission contained in its letter dated September 22, 2025. Except as otherwise indicated, no other changes have been made to the Registration Statement.
Amendment Flag | true

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