Niagen Bioscience, Inc. — Director's Dealing 2011

May 13, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ChromaDex Corp. (CDXC.OB)
CIK: 0001386570
Period of Report: 2011-05-10

Reporting Person: Spengler William (N/A)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-10	Employee Stock Options (right to buy)	$1.54	A	59932	Acquired	2021-05-10	Common Stock (59932)	Direct

Footnotes

F1: Options vest 25% on May 10, 2012 with the remainder vesting 1/36th per month over three years thereafter. Options will be fully vested as of May 10, 2015.