SEC Filing Document

Company: Synergy CHC Corp.
Ticker: SNYR
CIK: 1562733
Filing Type: S-8
Document Type: EX-5.1
Date Filed: 2026-04-13
Accession Number: 0001213900-26-043054
Exchange: Nasdaq
SIC Code: 2833
SIC Description: Medicinal Chemicals & Botanical Products
URL: https://www.sec.gov/Archives/edgar/data/1562733/000121390026043054/ea028599101ex5-1.htm

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Exhibit 5.1

NELSON
MULLINS RILEY & SCARBOROUGH LLP

ATTORNEYS AND COUNSELORS AT LAW

301 Hillsborough Street, Suite 1400
Raleigh, NC 27603
nelsonmullins.com

April 13, 2026

Synergy CHC Corp.

770 Roosevelt Trail STE 8 #1016

N. Windham, Maine 04062

RE:	Registration Statement on Form S-8 in connection with the Synergy CHC Corp. 2024 Equity Incentive Plan

Ladies and Gentlemen:

We have acted as counsel to
Synergy CHC Corp., a Nevada corporation (the “Company”), in connection with the Registration Statement on Form S-8
(the “Registration Statement”) to be filed by the Company on or about April 13, 2026 with the U.S. Securities and Exchange
Commission (the “SEC”) under the Securities Act of 1933, as amended, related to the offering of up to an aggregate
of 2,252,102 shares of the Company’s common stock, par value $0.00001 per share (the “Shares”), issuable under
the Synergy CHC Corp. 2024 Equity Incentive Plan (as amended, the “Plan”). This opinion letter is furnished pursuant
to the requirement of Item 601(b)(5) of Regulation S-K promulgated by the SEC.

In reaching the opinions set
forth herein, we have examined and are familiar with originals or copies, certified or otherwise identified to our satisfaction, of such
documents and records of the Company and such statutes, regulations and other instruments, certificates and records as we deem necessary
or advisable for the purposes of this opinion letter, including, without limitation, the Plan, the Company’s Articles of Incorporation,
as amended, and Amended and Restated Bylaws and certain resolutions adopted by the Company’s board of directors.

As to any facts material to
our opinions, we have made no independent investigation or verification of such facts and have relied, to the extent that we deem such
reliance proper, on certificates and oral or written statements and other information of or from officers and representatives of the Company
and public officials and on factual information included in the Company’s filings with the SEC. We have assumed the completeness
and authenticity of all documents submitted to us as originals, the completeness and conformity to the originals of all documents submitted
to us as copies thereof, the genuineness of all signatures, the legal capacity and mental competence of natural persons, and that all
information contained in all documents reviewed by us is true, correct and complete. In addition, we have assumed that the Shares will
be issued in accordance with the Plan, as applicable, and that the Company will receive legal consideration for the issuance of the Shares
(in an amount not less than the par value thereof).

California | Colorado | District
of Columbia | Florida | Georgia | Illinois | Maryland | Massachusetts | Minnesota

New York | North Carolina | Ohio
| Pennsylvania | South Carolina | Tennessee | Texas | Virginia | West Virginia

Synergy CHC Corp.

April 13, 2026

Page 2

On the basis of the foregoing,
and subject to the foregoing qualifications, assumptions and limitations and the further limitations set forth below, we are of the opinion
that the Shares that may be issued and sold from time to time in accordance with the Plan have been duly authorized and, when issued and
delivered in accordance with the Plan, the Shares will be validly issued, fully paid and nonassessable.

This opinion letter is rendered
as of the date hereof, and we assume no obligations to advise you of changes in law or fact (or the effect thereof on the opinions expressed
herein) that hereafter may come to our attention. We hereby consent to the filing of this opinion letter with the SEC as Exhibit 5.1 to
the Registration Statement. In giving this consent, we do not thereby admit that we are in the category of persons whose consent is required
under Section 7 of the Securities Act of 1933, as amended, or the rules and regulations of the SEC.

Our opinions are based upon
and limited to Chapter 78 of the Nevada Revised Statutes, and no opinion is expressed as to the laws of any other jurisdiction. We do
not find it necessary for the purposes of this opinion, and accordingly we do not purport to cover herein, the application of the securities
or “Blue Sky” laws of the various states to the issuance and sale of any of the Shares.

Sincerely,

/s/ Nelson Mullins Riley & Scarborough LLP

Nelson Mullins Riley & Scarborough LLP