Company: IXHL
Filing Date: 2025-07-24
Form Type: 424B5
Source: 0001213900-25-067368
Chunk: 1

Company: Incannex Healthcare Inc.
Filing Date: 2025-07-24
Form: 424B5
Chunk 1
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 on Nasdaq under the symbol “IXHL”. The last sales price of our common stock, as reported on Nasdaq on July 23, 2025,
was $1.01 per share.

Investing in our securities involves a high degree of risk. See “Risk Factors” beginning on page S-6 of the Prospectus Supplement dated April 7, 2025 and the risk factors incorporated by reference into this Prospectus Supplement and the Prior Prospectuses, as they may be amended, updated or modified periodically in our reports filed with the Securities and Exchange Commission.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or passed upon the adequacy or accuracy of this Prospectus Supplement or the accompanying prospectus. Any representation to the contrary is a criminal offense.

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<div align='center'>The date of this Prospectus Supplement is July 24, 2025</div>