Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Varvaro Thomas C
   2. Issuer Name and Ticker or Trading Symbol
ChromaDex Corp. [CDXC.OB] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
CFO, Secretary
(Last)
(First)
(Middle)
10005 MUIRLANDS BOULEVARD, SUITE G, FIRST FLOOR		 3. Date of Earliest Transaction (Month/Day/Year)
05/20/2010
(Street)

IRVINE, CA 92618		 4. If Amendment, Date Original Filed(Month/Day/Year)
05/24/2010		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Options (right to buy) (1) $ 1.545             05/20/2011(2) 05/20/2020 Common Stock 614,250   614,250 D  
Employee Stock Options (right to buy) $ 1.545             05/20/2011(3) 05/20/2020 Common Stock 614,250   614,250 D  
Employee Stock Options (right to buy) $ 1.545             05/20/2011(2) 05/20/2020 Common Stock 200,000   200,000 D  
Employee Stock Options (right to buy) $ 1.545             05/20/2011(3) 05/20/2020 Common Stock 200,000   200,000 D  
Employee Stock Options (right to buy) $ 1.545             05/20/2011(4) 05/20/2020 Common Stock 75,000   75,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Varvaro Thomas C
10005 MUIRLANDS BOULEVARD
SUITE G, FIRST FLOOR
IRVINE, CA 92618		       CFO, Secretary  

Signatures

 /s/ Thomas C. Varvaro   05/26/2010
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) This amendment is being filed to correct a Form 4 filed by the Reporting Person on May 24, 2010 with respect to dates exercisable and expiration dates of options granted on May 20, 2010.
(2) Options vest 33 1/3% over three years beginning on May 20, 2011.
(3) Options vest 33 1/3% over three years beginning May 20, 2011; provided further that, these options are only exercisable based on the percentage of warrants exercised as of such vesting date that were issued under that certain Subscription Agreement, dated as of April 22, 2010, between the Issuer and the subscribers named therein. Specifically, if 25% to 49.9% of such warrants have been exercised, then 25% of these options are exercisable; if 40% to 74.9% of such warrants have been exercised, then 50% of these options are exercisable; and if 75% or more of such warrants have been exercised, then 100% of these options are exercisable.
(4) Options vest over four years with cliff vesting of 25% on May 20, 2011 and 1/36 of the total vesting per month over the remaining three years.

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