SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (this “ Agreement ”) is dated as of

Securities Purchase Agreement (this Agreement ) is dated as

of April 26, 2017, between ChromaDex Corporation, a Delaware

corporation (the Company ), and each

purchaser identified on the signature pages hereto (each, including

its successors and assigns, a Purchaser and

collectively the Purchasers ).

the terms and conditions set forth in this Agreement, the Company

desires to issue and sell to each Purchaser, and each Purchaser,

severally and not jointly, desires to purchase from the Company,

securities of the Company as more fully described in this

Company and each Purchaser intend to enter into a registration

rights agreement (the Registration Rights

Agreement ), which shall provide for, among other

things, the terms and conditions upon which the Shares shall be

registered for re-sale under the Securities Act.

THEREFORE, IN CONSIDERATION of the mutual covenants contained in

this Agreement, and for other good and valuable consideration the

receipt and adequacy of which are hereby acknowledged, the Company

and each Purchaser agree as follows:

In addition to the terms defined elsewhere in this Agreement, for

all purposes of this Agreement, the following terms have the

meanings set forth in this Section 1.1:

Person shall have the

meaning ascribed to such term in Section 4.4.

Action shall have the

meaning ascribed to such term in Section 3.1(j).

Person that, directly or indirectly through one or more

intermediaries, controls or is controlled by or is under common

control with a Person, as such terms are used in and construed

under Rule 405 under the Securities Act.

Board of Directors means

the board of directors of the Company.

Business Day means any

day except any Saturday, any Sunday, any day which is a federal

legal holiday in the United States or any day on which banking

institutions in the State of New York are authorized or required by

law or other governmental action to close.

Change of Control means

the occurrence, in a single transaction or in a series of related

transactions, of any one or more of the following events: (i) any

person (as such term is used in Section 13(d) and

14(d) of the Exchange Act (as defined below)) becomes the

beneficial owner (as defined in Rule 13d-3 of the

Exchange Act), directly or indirectly, of securities of the Company

representing more than fifty percent (50%) of the combined voting

power of the Company's then outstanding securities other than

by virtue of a merger, consolidation or similar transaction; (ii)

the consummation of a merger or consolidation of the Company with

or into another entity or any other corporate reorganization (or

similar transaction), if more than fifty percent (50%) of the

combined voting power of the continuing or surviving entity's

securities outstanding immediately after such merger, consolidation

or other reorganization (or similar transaction) is owned by

persons who were not stockholders of the Company immediately prior

to such merger, consolidation or other reorganization; or (iii) the

consummation of a sale, transfer or other disposition of all or

substantially all of the Company's assets.

applicable, the First Closing, the Second Closing and/or the Third

Closing Date means, as

applicable, the First Closing Date, the Second Closing Date and/or

the Third Closing Date.

Commission means the

United States Securities and Exchange Commission.

Common Stock means the

common stock of the Company, par value $0.001 per share, and any

other class of securities into which such securities may hereafter

be reclassified or changed.

Common Stock Equivalents

means any securities of the Company or the Subsidiaries which would

entitle the holder thereof to acquire at any time Common Stock,

including, without limitation, any debt, preferred stock, right,

option, warrant or other instrument that is at any time convertible

into or exercisable or exchangeable for, or otherwise entitles the

holder thereof to receive, Common Stock.

Counsel means Cooley LLP, with offices located at

4401 Eastgate Mall, San Diego, CA 92121.

Employee Plan means (A)

an employee benefit plan within the meaning of Section 3(3) of

ERISA whether or not subject to ERISA; (B) stock option plans,

stock purchase plans, bonus or incentive award plans, severance pay

plans, programs or arrangements, deferred compensation arrangements

or agreements, employment agreements, executive compensation plans,

programs, agreements or arrangements, change in control plans,

programs or arrangements, supplemental income arrangements,

vacation plans, and all other employee benefit plans, agreements,

and arrangements, not described in (A) above; and (C) plans or

arrangements providing compensation to employee and non-employee

directors, in each case in which the Company or any ERISA Affiliate

sponsors, contributes to, or provides benefits under or through

such plan, or has any obligation to contribute to or provide

benefits under or through such plan, or if such plan provides

benefits to or otherwise covers any current or former employee,

officer or director of the Company or any ERISA Affiliate (or their

spouses, dependents, or beneficiaries).

Interest means any share, capital stock, partnership,

limited liability company, member or similar equity interest or

voting right in any Person, and any option, warrant, right

(including conversion, stock appreciation, put, call, redemption,

repurchase or similar rights), security (including debt

securities), commitment, obligation, agreement or arrangement that