Company: JUNS
Filing Date: 2025-11-07
Form Type: DEFA14A
Source: 0001493152-25-021317
Chunk: 0

Company: JUPITER NEUROSCIENCES, INC.
Filing Date: 2025-11-07
Form: DEFA14A
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the
Securities Exchange Act of 1934</div>

Filed by the Registrant ☒

Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☐Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material under §240.14a-12

<div align='center'>JUPITER NEUROSCIENCES, INC.

(Name of Registrant as Specified In Its Charter)

N/A

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)</div>

Payment of Filing Fee (Check the appropriate box):

☒ No fee required

☐ Fee paid previously with preliminary materials:

☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

<div align='center'>JUPITER NEUROSCIENCES, INC.

1001 North US HWY 1, Suite 504

Jupiter, FL 33477

Telephone: (561) 406-6154

Supplement to the Proxy Statement for the Annual Meeting of Stockholders to be held on

December 19, 2025 at 10:00 A.M. Eastern Time</div>

This supplement (the “Supplement”)
amends and supplements the definitive proxy statement on Schedule 14A (the “Proxy Statement”) filed by Jupiter Neurosciences,
Inc. (the “Company”) with the Securities and Exchange Commission on November 6, 2025 in connection with the Company’s
2025 Annual Meeting of Stockholders (the “Annual Meeting”), to be held at 10:00 A.M. (Eastern Time) on Friday,
December 19, 2025.

The purpose of this Supplement
is to correct certain calculations in the Proxy Statement due to a scrivener’s error. Other than these corrections, the Proxy Statement
remains unchanged, and this Supplement does not otherwise amend, supplement, or affect the Proxy Statement. From and after the date of
this Supplement, any references to the “Proxy Statement” are