SEC Filing Document

Company: Synergy CHC Corp.
Ticker: SNYR
CIK: 1562733
Filing Type: S-1
Document Type: EX-5.1
Date Filed: 2026-05-15
Accession Number: 0001213900-26-057939
Exchange: Nasdaq
SIC Code: 2833
SIC Description: Medicinal Chemicals & Botanical Products
URL: https://www.sec.gov/Archives/edgar/data/1562733/000121390026057939/ea029095401ex5-1.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

May 15, 2026

Synergy CHC Corp.

700 Roosevelt Trail STE 8 #1016

N. Windham, Maine 04062

RE:	Registration Statement on Form S-1

Ladies and Gentlemen:

We have acted as counsel
to Synergy CHC Corp., a Nevada corporation (the “Company”), in connection with the filing of a registration statement
on Form S-1 (the “Registration Statement”) with the Securities and Exchange Commission (the “Commission”)
under the Securities Act of 1933, as amended (the “Securities Act”). The Registration Statement relates to the resale
by Hudson Global Ventures, LLC (the “Selling Stockholder”), of an aggregate of up to 101,710,000 shares of common
stock, par value $0.00001 per share, of the Company (the “Common Stock”), comprised of: (i) up to 100,000,000 shares
of Common Stock (the “ELOC Shares”) that we have reserved for sale to the Selling Stockholder under the Purchase Agreement,
dated May 8, 2026, by and between the Company and the Selling Stockholder (the “ELOC Purchase Agreement”); (ii) up
to 1,540,000 shares of Common Stock (the “Warrant Shares”) issuable upon the exercise of a warrant (the “Warrant”)
to purchase 1,540,000 shares of Common Stock, issued to the Selling Stockholder pursuant to the terms of the ELOC Purchase Agreement
as a commitment fee; and (iii) shares of common stock previously issued to the Selling Stockholder in connection with the consulting agreements between Selling Stockholder and the Company (the “Existing Shares”).

This opinion is being furnished
in connection with the requirements of Item 601(b)(5) of Regulation S-K under the Securities Act, and no opinion is expressed herein as
to any matter pertaining to the contents of the Registration Statement or related prospectus or any prospectus supplement (collectively,
the “Prospectus”), other than as expressly stated herein.

As such counsel, we have examined
and relied upon the Registration Statement and the Prospectus contained therein, the Company’s Articles of Incorporation, as amended,
the Amended and Restated Bylaws, and such matters of fact and questions of law as we have considered appropriate for purposes of this
letter. We have relied upon certificates and other assurances of officers of the Company and others as to factual matters without having
independently verified such factual matters. Our opinions are based upon and limited to Chapter 78 of the Nevada Revised Statutes, and
we express no opinion with respect to any other laws.

Subject to the foregoing and
the other matters set forth herein, it is our opinion that, as of the date hereof:

1. The Existing Shares have been duly authorized by all necessary corporate action of the Company and are validly issued, fully paid and
nonassessable.

2. When issued and paid for
in accordance with the ELOC Purchase Agreement, the ELOC Shares will be duly authorized and, when issued upon receipt by the Company of
the consideration therefor, will be validly issued, fully paid and non-assessable.

3. The Warrant Shares have been duly authorized
by all necessary corporate action on the part of the Company and the Warrant Shares, when and if issued upon exercise of the Warrant in
accordance with the terms of the Warrant, will be validly issued, fully paid and non-assessable.

California
| Colorado | District of Columbia | Florida | Georgia | Illinois | Maryland | Massachusetts | Minnesota | New York | North Carolina |
Ohio | Pennsylvania | South Carolina | Tennessee | Texas | Virginia | West Virginia

The foregoing opinions are
qualified to the extent that the enforceability of any document or instrument may be limited by or subject to bankruptcy, insolvency,
fraudulent transfer or conveyance, reorganization, moratorium or other similar laws relating to or affecting creditors’ rights generally,
and general equitable or public policy principles.

We express no opinion as to
any matter other than as set forth herein, and no opinion may be inferred or implied herefrom. We assume no obligation to advise you of
any changes in the foregoing subsequent to the date of this opinion.

We hereby consent to the filing
of this opinion as an exhibit to the Registration Statement and to the reference to this firm under the caption “Legal Matters”
in the Prospectus which forms a part of the Registration Statement. In giving such 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 or the rules and regulations of the Commission thereunder.

Sincerely,

/s/ Nelson Mullins Riley & Scarborough LLP

Nelson Mullins Riley & Scarborough LLP