UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G/A

Under the Securities Exchange Act of 1934

ChromaDex Corporation
(Name of Issuer)

COMMON STOCK, $0.001 PAR VALUE PER SHARE
(Title of Class of Securities)

171077407
(CUSIP Number)

March 17, 2021.
(Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:

[ ] Rule 13d-1(b)

[x] Rule 13d-1(c)

[ ] Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

SCHEDULE 13G

CUSIP No.       171077407

1       Names of Reporting Persons
        Yong Rong (HK) Asset Management Limited
2       Check the appropriate box if a member of a Group (see
instructions)
        (a)  [ ]
        (b)  [ ]
3       Sec Use Only

4       Citizenship or Place of Organization
        Hong Kong
Number of Shares Beneficially Owned by Each Reporting Person With:
        5       Sole Voting Power
                -0-
        6       Shared Voting Power
                3,846,153 (1)
        7       Sole Dispositive Power
                -0-
        8       Shared Dispositive Power
                5,519,802 (2)
9       Aggregate Amount Beneficially Owned by Each Reporting Person
        5,519,802 (2)
10      Check box if the aggregate amount in row (9) excludes certain
shares
(See Instructions)
        -0-
11      Percent of class represented by amount in row (9)
        8.27% (3)
12      Type of Reporting Person (See Instructions)
        CO

(1)     Represents the sum of 3,846,153 shares of common stocks of the
Issuer issuable to EverFund pursuant to the Securities Purchase Agreement
entered into between the Issuer and EverFund on February 20, 2021 (as
reported in the Issuer's Current Report on Form 8-K as filed by the
Issuer with the SEC on February 22, 2021).
(2)     Represents the sum of
(i) 3,846,153 shares of common stocks of the Issuer issuable to EverFund
pursuant to the Securities Purchase Agreement entered into between the
Issuer and EverFund on February 20, 2021, and (ii) 1,673,649 shares of
the Issuer underlying swaps owned by Yong Rong Global Excellence Fund
via Bank of America Merrill Lynch.  The Reporting Person Yong Rong (HK)
Asset Management Limited is the investment manager of EverFund and Yong
Rong Global Excellence Fund.
(3) Based on 66,757,335 shares of the Issuer's common stock outstanding
as of March 15, 2021.




SCHEDULE 13G

CUSIP No.       171077407

1       Names of Reporting Persons
        EverFund
2       Check the appropriate box if a member of a Group (see
instructions)
        (a)  [ ]
        (b)  [ ]
3       Sec Use Only

4       Citizenship or Place of Organization
        Cayman Islands
Number of Shares Beneficially Owned by Each Reporting Person With:
        5       Sole Voting Power
                -0-
        6       Shared Voting Power
                3,846,153 (1)
        7       Sole Dispositive Power
                -0-
        8       Shared Dispositive Power
                3,846,153 (1)
9       Aggregate Amount Beneficially Owned by Each Reporting Person
        3,846,153
10      Check box if the aggregate amount in row (9) excludes
certain shares (See Instructions)
        -0-
11      Percent of class represented by amount in row (9)
        5.76% (2)
12      Type of Reporting Person (See Instructions)
        CO

(1)     Represents the sum of 3,846,153 shares of common stocks of the
Issuer issuable to EverFund pursuant to the Securities Purchase
Agreement entered into between the Issuer and EverFund on February 20,
2021 (as reported in the Issuer's Current Report on Form 8-K as filed
by the Issuer with the SEC on February 22, 2021).
(2)     Based on 66,757,335 shares of the Issuer's common stock
outstanding as of March 15, 2021.



SCHEDULE 13G

CUSIP No.       171077407

1       Names of Reporting Persons
        Yong Rong Global Excellence Fund
2       Check the appropriate box if a member of a Group (see
instructions)
        (a)  [ ]
        (b)  [ ]
3       Sec Use Only

4       Citizenship or Place of Organization
        Cayman Islands
Number of Shares Beneficially Owned by Each Reporting Person With:
        5       Sole Voting Power
                -0-
        6       Shared Voting Power
                -0-
        7       Sole Dispositive Power
                -0-
        8       Shared Dispositive Power
                1,673,649 (1)
9       Aggregate Amount Beneficially Owned by Each Reporting Person
        1,673,649 (1)
10      Check box if the aggregate amount in row (9) excludes certain
shares (See Instructions)
        -0-
11      Percent of class represented by amount in row (9)
        2.51% (2)
12      Type of Reporting Person (See Instructions)
        CO

(1)     Represents the sum of 1,673,649 shares of the Issuer underlying
swaps owned by Yong Rong Global Excellence Fund via Bank of America
Merrill Lynch.
(2)     Based on 66,757,335 shares of the Issuer's common stock
outstanding as of March 15, 2021.

Item 1. Issuer
(a)     Name of Issuer: ChromaDex Corporation (the "Issuer")
(b)     Address of Issuer's Principal Executive Offices:
10900 Wilshire Blvd., Suite 600
Los Angeles, California 90024

Item 2. Filing Person
(a)     Name of Person Filing:
i)      Yong Rong (HK) Asset Management Limited;
ii)     EverFund; and
iii)    Yong Rong Global Excellence Fund.
(b)     Address of Principal Business Office or, if None, Residence:
i)      Yong Rong (HK) Asset Management Limited: Suite 3008, 30/F,
Two Exchange Square, 8 Connaught Place, Central, Hong Kong;
ii)     EverFund: PO Box 309, Ugland House, Grand Cayman, KY1-1104,
Cayman Islands; and
iii)    Yong Rong Global Excellence Fund: PO Box 309, Ugland House,
Grand Cayman,
KY1-1104, Cayman Islands.
(c)     Citizenship:
i)      Yong Rong (HK) Asset Management Limited, a Hong Kong private
company limited by shares;
ii)     EverFund, a Cayman Islands company with limited liability;
and
iii)    Yong Rong Global Excellence Fund, a Cayman Islands company
with limited liability.
(d)     Title and Class of Securities:
Common stock, $0.001 par value per share
(e)     CUSIP No.:      171077407

Item 3.         If this statement is filed pursuant to 240.13d-1(b)
or 240.13d-2(b) or (c),
check whether the person filing is a:
(a)     _ Broker or dealer registered under Section 15 of the Act;
(b)     _ Bank as defined in Section 3(a)(6) of the Act;
(c)     _ Insurance company as defined in Section 3(a)(19) of the Act;
(d)     _ Investment company registered under Section 8 of the
Investment Company Act of 1940;
(e)     _ An investment adviser in accordance with Rule
13d-1(b)(1)(ii)(E);
(f)     _ An employee benefit plan or endowment fund in accordance
with Rule 13d-1(b)(1)(ii)(F);
(g)     _ A parent holding company or control person in accordance
with Rule 13d-1 (b)(1)(ii)(G);
(h)     _ A savings associations as defined in Section 3(b) of the
Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)     _ A church plan that is excluded from the definition of an
investment company under section 3(c)(14) of the Investment Company
Act of 1940;
(j)     _ A non-U.S. institution in accordance with Rule
240.13d-1(b)(1)(ii)(J);
(k)     _ Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
If filing as a non-U.S. institution in accordance with Rule
240.13d-1(b)(1)(ii)(J), please specify the type of institution:
If filing as a non-U.S. institution in accordance with
240.13d-1(b)(1)(ii)(J), please specify the type of institution:

Item 4.       Ownership
(a) and (b)     Amount Beneficially Owned and Percent of Class:
i) EverFund directly owns 3,846,153 shares of common stocks of the
Issuer, which represents approximately 5.76% of the outstanding shares
of common stock of the Issuer.
ii) Yong Rong Global Excellence Fund owns 1,673,649 shares of the
Issuer underlying swaps via Bank of America Merrill Lynch, which
represents approximately 2.51% of the outstanding shares of common
stock of the Issuer.
iii)  Yong Rong (HK) Asset Management Limited (the "Investment
Manager") is the sole investment manager of EverFund and Yong Rong
Global Excellence Fund, as such, the Investment Manager collectively
may be deemed to beneficially own 5,519,802 shares of common stock of
the Issuer, which represents approximately 8.27% of the outstanding
shares of common stock of the Issuer.

(c)     Number of shares as to which such person has:

Number of Shares of Common Stock
Reporting Person
Yong Rong (HK) Asset Management Limited (ii) 3,846,153 (iv) 5,519,802
EverFund (ii) 3,846,153 (iv) 3,846,153
Yong Rong Global Excellence Fund (iv) 1,673,649

(i)  Sole power to vote or direct the vote
(ii)  Shared power to vote or to direct the vote
(iii)  Sole power to dispose or to direct the disposition of
(iv)  Shared power to dispose or to direct the disposition of


Item 5. Ownership of Five Percent or Less of a Class.
        Not applicable
Item 6. Ownership of more than Five Percent on Behalf of Another Person.
        Not applicable
Item 7. Identification and classification of the subsidiary which
acquired the security being reported on by the parent holding company
or control person.
        Not applicable
Item 8. Identification and classification of members of the group.
        Not applicable
Item 9. Notice of Dissolution of Group.
        Not applicable
Item 10.        Certifications.
By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were acquired and are held in the ordinary
course of business and were not acquired and are not held for the purpose
of or with the effect of changing or influencing the control of the issuer
of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect,
other than activities solely in connection with a nomination under

240.14a-11.


SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: March 17, 2021.

YONG RONG (HK) ASSET MANAGEMENT LIMITED

By: /s/ Huang Yong
Name: Huang Yong
Title: Director

EVERFUND

By: /s/ Cai Xiaoxiao
Name: Cai Xiaoxiao
Title: Director

YONG RONG GLOBAL EXCELLENCE FUND

By: /s/ Huang Yong
Name: Huang Yong
Title: Director

EXHIBIT 99.1
Joint Filing Agreement
The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint filing statements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him, her or it contained herein, but shall not be responsible for the completeness and accuracy of the information concerning the other entities or persons, except to the extent that he, she or it knows or has reason to believe that such information is inaccurate.

Dated: March 17, 2021.

YONG RONG (HK) ASSET MANAGEMENT LIMITED

By: /s/ Huang Yong
Name: Huang Yong
Title: Director

EVERFUND

By: /s/ Cai Xiaoxiao
Name: Cai Xiaoxiao
Title: Director

YONG RONG GLOBAL EXCELLENCE FUND

By: /s/ Huang Yong
Name: Huang Yong
Title: Director

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