Niagen Bioscience, Inc. — Director's Dealing 2013

May 14, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ChromaDex Corp. (CDXC.OB)
CIK: 0001386570
Period of Report: 2013-05-10

Reporting Person: Brauser Michael (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-10	Common Stock	X	1160713	$0.21	Acquired	3378567	Indirect
2013-05-13	Common Stock	X	342857	$0.21	Acquired	3721424	Indirect
2013-05-13	Common Stock	P	25000	$0.662	Acquired	4519926	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-10	Warrants to Purchase Common Stock	$0.21	X	1160713	Disposed	2013-05-20	Common Stock (1160713)	Indirect
2013-05-13	Warrants to Purchase Common Stock	$0.21	J	342857	Disposed	2013-05-20	Common Stock (342857)	Indirect
2013-05-13	Warrants to Purchase Common Stock	$0.21	J	342857	Acquired	2013-05-20	Common Stock (342857)	Indirect
2013-05-13	Warrants to Purchase Common Stock	$0.21	X	342857	Disposed	2013-05-20	Common Stock (342857)	Indirect

Footnotes

F1: (i) 314,285 Warrants exercised by Grander Holdings, Inc. 401K Profit Sharing Plan of which the Reporting Person is a trustee; and (ii) 846,428 Warrants exercised by BMB Holdings, LLLP of which the Reporting Person is the manager of its general partner.

F2: Indirect beneficial ownership includes, after giving effect to all transaction included in this Form 4, (i) 628,570 Shares held by Grander Holdings, Inc. 401K Profit Sharing Plan of which the Reporting Person is a trustee; (ii) 342,857 Shares held by the Brauser 2010 GRAT of which the Reporting Person is a trustee; (iii) 342,857 Shares held by Birchtree Capital, LLC of which the Reporting Person is the manager; (iv) 1,692,856 Shares held by BMB Holdings, LLLP of which the Reporting Person is the manager of its general partner; and (v) 714,284 Shares held by Betsy Brauser Third Amended Trust Agreement beneficially owned by the Reporting Person's spouse which are disclaimed by him.

F3: 342, 857 Warrants exercised by Birchtree Capital, LLC of which the Reporting Person is the manager.

F4: After giving effect to all transactions included in this Form 4, the Reporting Person does not have indirect beneficial ownership.

F5: 342,857 Warrants transferred from Brauser 2010 GRAT of which the Reporting Perion is a trustee to Birchtree Capital, LLC of which the Reporting Person is the manager.