STOCK EXCHANGE AGREEMENT

This  STOCK  EXCHANGE  AGREEMENT  (hereinafter  referred  to as the "Agreement")
entered  into as of this 28th day of March, 2002, is by and between InterNatural
Pharmaceuticals,  Inc.  (hereinafter  referred  to  as "INAT") and Neurochemical
Research  Corp.  (hereinafter  referred  to  as  "NRC").

                                   WITNESSETH

WHEREAS,  INAT  is  a  Nevada  corporation  with  authorized  capital  stock  of
140,000,000  shares of $0.001 par value common stock, of which 10,920,247 shares
of  common  stock  were  issued  and  outstanding  as  of  December  31,  2001.

WHEREAS,  NRC  is  a  Tennessee  corporation  with  authorized  capital stock of
100,000,000  shares of $0.001 par value Common Stock, of which 10,062,234 shares
were  issued  and  outstanding  as  of  March  1,  2002.

WHEREAS,  INAT  desires  to  exchange 2,000,000 post 5:1 forward split shares of
unissued  common  stock  of INAT with 2,000,000 post 1:6 reverse split shares of
unissued  common  stock  of  NRC,  on the terms and conditions set forth herein.

NOW  THEREFORE  in  consideration  of  the  foregoing  and the mutual covenants,
promises,  representations  and  warranties contained herein, the parties hereto
agree  as  follows:


                                    ARTICLE I
                                    EXCHANGE

1.1  Exchange of Stock. At the Closing Date in accordance with the provisions of
this  Agreement  and  applicable  law, INAT will issue to NRC 2,000,000 post 5:1
forward  split  shares  of unissued common stock of INAT ("INAT Shares") and NRC
will  issue  to  INAT 2,000,000 post 1:6 reverse split shares of unissued common
stock  of  NRC  ("NRC  Shares").

1.2  Execution of Stock Purchase Agreement. It shall be a condition precedent to
Closing hereunder that INAT, NRC and NRC's majority shareholder group shall have
executed  a  Stock  Purchase Agreement with Promissory Note in the form attached
hereto  as  Exhibit  A  and  incorporated  herein  by  this reference. The share
exchange contemplated by this Agreement shall become effective after the Closing
of  the  said  Stock  Purchase  Agreement  with  Promissory  Note.


                                        1



                                   ARTICLE II
                                  CONSIDERATION

2.1  Exchange.  In consideration for INAT issuing INAT Shares to NRC, NRC agrees
to  issue  the  NRC  Shares  to  INAT.

2.2  Investment  Intent.  INAT  and  NRC  represent  and  warrant  that they are
acquiring  the NRC Shares and INAT Shares, respectively, for investment purposes
only  and not with a view towards resale or redistribution in violation of state
and  federal  securities  laws. Upon request, INAT agrees to deliver to NRC, and
NRC  to INAT, at the closing, or after, a letter setting forth an agreement that
said Shares are being acquired for investment purposes only and will not be sold
except  in compliance with the Securities Act of 1933, as amended, and the Rules
and  Regulations  promulgated  thereunder.

2.3  Delivery.  At  Closing, INAT shall deliver to NRC certificates for the INAT
shares,  duly  endorsed in negotiable form, with signatures guaranteed, free and
clear from all claims and encumbrances. Similarly, at Closing, NRC shall deliver
certificates  for  the  NRC  shares,  duly  endorsed  in  negotiable  form, with
signatures  guaranteed,  free  and  clear  from  all  claims  and  encumbrances.


                                   ARTICLE III
                      REPRESENTATIONS AND WARRANTIES OF NRC

NRC  represents  and  warrants  to  INAT  as  follows:

3.1  Organization. NRC is a corporation duly incorporated, validly existing and,
at  the  closing,  in good standing under the laws of the State of Tennessee and
has  the  corporate  power  and  authority to own or lease its properties and to
carry  on  business  as  now  being  conducted.

3.2  Capitalization. As of the closing date, the authorized capital stock of NRC
shall  consist  of 100,000,000 shares of $0.001 par value common stock, of which
10,062,234 are issued and outstanding. All said shares are validly issued, fully
paid  and  non-assessable.

3.3  Financial  Statements.  NRC  has  furnished  to  INAT  unaudited  financial
statements  as  of  June 30, 2001. Said financial statements contain the balance
sheet of NRC. All of said financial statements,
     (i)  are  in  accordance  with  NRC's  books  and  records,
     (ii) present fairly and financial position of NRC as of such dates, and its
          results  of  operations  and  changes  in  financial  position for the
          respective  periods  indicated,
     (iii)  have  been prepared in conformity with generally accepted accounting
          principles  applied  on  a  consistent basis, and (iv) consistent with
          prior  business  practice,  contain adequate reserves for all known or
          contingent liabilities, losses and refunds with respect to services or
          products  already  rendered  or  sold.


                                        2


3.4  Authorization.  NRC  has  the  power to enter into this Agreement, and this
Agreement,  when  duly  executed  and  delivered,  will constitute the valid and
binding  obligation of NRC. Other than approval by the Board of Directors and/or
shareholders of NRC, no proceedings are necessary to authorize this Agreement or
the  transactions  completed hereby. This Agreement constitutes the legal, valid
and  binding  obligation  of  NRC  enforceable  in  accordance  with  its terms.

3.5 Effect of Agreement. The execution and delivery by NRC of this Agreement and
the  consummation of the transactions herein contemplated,
     (i)  will  not  conflict  with,  or  result in a breach of the terms of, or
          constitute any default under or violation of, any law or regulation of
          any  governmental  authority,  or  the  Articles  of  Incorporation or
          By-Laws  of  NRC, or any material agreement or instrument to which NRC
          is  a  party  or  by  which  it  is  bound  or  is  subject;
     (ii) nor will it give to others any interest or rights, including rights of
          termination,  acceleration  or cancellation, in or with respect to any
          of  the  properties,  assets,  agreements,  leases, or business of NRC

3.6  Minutes  Book.  The  records of meetings and other corporate actions of NRC
(including  any committees of the Board) which are contained in the Minute books
of  NRC  contain  complete and accurate records of the matters reflected in such
minutes.

3.7  Litigation;  Claims.  NRC  is not a party to, and there are not any claims,
actions,  suits, investigations or proceedings pending or threatened against NRC
or  its  business,  at  law  or  in  equity,  or  before  or by any governmental
department,  commission,  board, bureau, agency, or instrumentality, domestic or
foreign,  which  if  determined  adversely  would  have a material effect on the
business  or  financial  condition  of NRC or the ability of NRC to carry on its
business.  The  consummation  of  the  transactions herein contemplated will not
conflict with or result in the breach or violation of any judgment, order, writ,
injunction or decree of any court or governmental department, commission, board,
bureau,  agency  or  instrumentality,  domestic  or  foreign.

3.8  Nature of Representations. NRC has taken reasonable care to ensure that all
disclosures  and  facts  are  true  and  accurate,  and  that there are no other
material  facts,  the  omission  of  which  would  make misleading any statement
herein.  Further, to the best of NRC's knowledge, no representation, warranty or
agreement  made  by  NRC  in  this  agreement  or  any  of  the  Schedules


                                        3


or  any other Exhibits hereto and no statement made in the Schedules or any such
Exhibit,  list,  certificate  or  schedule  or  other  instrument  or disclosure
furnished  by  them  in  connection  with  the  transactions herein contemplated
contains,  or will contain, any untrue statement of a material fact necessary to
make  any  statement,  representation,  warranty  or  agreement  not misleading.


                                   ARTICLE IV
                     REPRESENTATIONS AND WARRANTIES OF INAT

INAT  represents  and  warrants  to  NRC  as  follows:

4.1 Organization. INAT is a corporation duly incorporated, validly existing and,
at  the  closing, in good standing under the laws of the State of Nevada has the
corporate  power  and  authority  to own or lease its properties and to carry on
business  as  now  being  conducted.

4.2  Authorization.  INAT  have  the full power and authority to enter into this
Agreement and to carry out its obligations hereunder. Other than approval by the
Board  of  Directors  and/or shareholders of INAT, no proceedings on the part of
INAT  are  necessary  to  authorize this Agreement or the transactions completed
hereby.  This  Agreement  constitutes the legal, valid and binding obligation of
INAT  enforceable  in  accordance  with  its  terms.

4.3  Capitalization.  The authorized capital stock of INAT consists of one class
of  shares of stock, the total number of shares authorized is 140,000,000 shares
of  $0.001  par  value common stock of which 10,920,247 are presently issued and
outstanding.  All said shares are validly issued, fully paid and non-assessable.

4.4  Financial  Statements.  INAT  has  furnished  to  NRC  unaudited  financial
statements  as  of December 31, 2001 (the "Financial Statements). Said Financial
Statements  contain the balance sheet of INAT. All of said Financial Statements,
     (i)  are  in  accordance  with  INAT's  books  and  records,
     (ii) present  fairly  and  financial position of INAT as of such dates, and
          its  results  of  operations and changes in financial position for the
          respective  periods  indicated,
     (iii)  have  been prepared in conformity with generally accepted accounting
          principles  applied  on  a  consistent  basis,  and
     (iv) consistent with prior business practice, contain adequate reserves for
          all  known  or contingent liabilities, losses and refunds with respect
          to  services  or  products  already  rendered  or  sold.


                                        4


4.5  Effect  of  Agreement. The execution and delivery by INAT of this Agreement
and  the  consummation  of  the  transactions  herein contemplated, (i) will not
conflict  with,  or  result in a breach of the terms of, or constitute a default
under  or  violation of, any law or regulation of any governmental authority, or
the  Articles  of Incorporation or By-Laws of INAT, or any material agreement or
instrument  to  which INAT is give to rise to any interests or rights, including
rights  of  termination, acceleration or cancellation, in or with respect to any
of  the  properties,  assets,  agreements,  leases,  or  business  of  INAT.

4.6  Minutes  Book.  The records of meetings and other corporate actions of INAT
(including  any committees of the Board) which are contained in the Minute books
of  INAT  contain complete and accurate records of the matters reflected in such
minutes.

4.7  Litigation;  Claims.  INAT is not a party to, and there are not any claims,
actions, suits, investigations or proceedings pending or threatened against INAT
or  its  business,  at  law  or  in  equity,  or  before  or by any governmental
department,  commission,  board, bureau, agency, or instrumentality, domestic or
foreign,  which  if  determined  adversely  would  have a material effect on the
business  or  financial condition of INAT or the ability of INAT to carry on its
business.  The  consummation  of  the  transactions herein contemplated will not
conflict  with  or  result  in  the breach or violation of any judgement, order,
writ,  injunction or decree of any court or governmental department, commission,
board,  bureau,  agency  or  instrumentality,  domestic  or  foreign.

4.8 Nature of Representation. INAT have taken reasonable care to ensure that all
disclosures and facts are true and accurate and that there are no other material
facts,  the  omission  of  which  would  make  misleading  any statement herein.
Further, no representation, warranty or agreement made by INAT in this Agreement
or  any  of  the Schedules or any other Exhibits hereto and no statement made in
the  Schedules  or  any  such  Exhibit,  list,  certificate or schedule or other
instrument  or  disclosure furnished by them in connection with the transactions
herein  contemplated  contains,  or  will  contain,  any  untrue  statement of a
material  fact  necessary  to  make  any  statement, representation, warranty or
agreement  not  misleading.


                                        5



                                    ARTICLE V
                              ACCESS TO INFORMATION

5.1  Access  to Information. INAT shall afford representatives of NRC reasonable
access to officers, personnel, and professional representatives of INAT and such
of  the  financial,  contractual  and  corporate  records  of  INAT  as shall be
reasonably  necessary  for NRC's investigations and appraisal of INAT. NRC shall
afford  representatives  of  INAT  reasonable access to officers, personnel, and
professional  representatives  of NRC and such of the financial, contractual and
corporate  records  of  NRC  as  shall  be  reasonably  necessary  for  INAT's
investigations  and  appraisal  of  NRC.

5.2  Effect of Investigations. Any such investigation by NRC of INAT, and of NRC
by  INAT,  shall  not affect any of the representations and warranties hereunder
and  shall not be conducted in such manner as to interfere unreasonably with the
operation  of  the  business  of  INAT  and  NRC.


                                   ARTICLE VI
                        CONDITIONS TO OBLIGATIONS OF NRC

The  obligations  of NRC under this Agreement are, at the option of NRC, subject
to  the  satisfaction,  at  and  prior  to  the  Closing  Date, of the following
conditions:

6.1  Fulfillment  of  Covenants. All the terms, covenants and conditions of this
Agreement  to  be  complied  with and performed by INAT at or before the Closing
Date  shall  have  been  duly  complied  with  and  performed.

6.2  Accuracy  of  Representations  and Warranties; Other, Documents. All of the
representations  and  warranties  made by all parties to this Agreement shall be
true  as  of  the  Closing  Date.


                                   ARTICLE VII
                        CONDITIONS TO OBLIGATIONS OF INAT

The obligations of INAT under this Agreement are, at the option of INAT, subject
to  the  satisfaction,,  at  and  prior  to  the  Closing Date, of the following
conditions:


                                        6


7.1  Fulfillment  of  Covenants. All the terms, covenants and conditions of this
Agreement to be complied with and performed by NRC at or before the Closing Date
shall  have  been  duly  complied  with  and  performed.

7.2  Accuracy  of  Representations  and  Warranties; Other Documents. All of the
representations  and  warranties  made by all parties to this Agreement shall be
true  as  of  the  Closing  Date.


                                  ARTICLE VIII
                                     CLOSING

8.1 Closing Date. The consummation of the exchange shall take place on March 28,
2002,  at  the  offices of INAT or such other time or place as shall be mutually
agreed  upon  by  the  parties  to  this  Agreement.

8.2  Actions  to  be  Taken by Parties on the Closing Date. On the Closing Date,
each  party  shall  deliver to the other all documents or agreements provided or
herein  to  be  delivered  on  the  Closing  Date.

8.3  Other.  Between  the  date  hereof  and  the Closing Date, NRC will take no
actions,  other  than those reasonably required to consummate a closing, without
the  prior  written  consent  of  INAT.


                                   ARTICLE IX
                         INDEMNIFICATION AND ARBITRATION

9.1  Indemnification.  Each  of the parties agree to indemnify and hold harmless
the other against any and all damages, claims, losses, expenses, obligations and
liabilities  (including reasonable attorney's fees) resulting from or related to
any  breach  of,  or  failure  by  each  of  the parties to perform any of their
representations,  warranties,  covenants,  conditions  or  agreements  in  this
Agreement  or in any schedule, certificate, exhibit or other document furnished,
or  to  be  furnished  under  this  Agreement.

9.2  Claims  of  Indemnification. Any claim for indemnification pursuant to this
Agreement,  unless  otherwise  received by means of direct negotiation among the
parties  upon  reasonable oral notification by the party seeking indemnification
to  all  other parties, shall be made by writing of the nature and amount of the
claim  to  the  other.


                                        7



                                    ARTICLE X
                                     GENERAL

10.1  Partial  Invalidity.  If  any  term  or provision of this Agreement or the
application  thereof  to  any  person  or circumstances shall, to any extent, be
invalid  or unenforceable" the remainder of this Agreement or the application of
such  term or provision to persons or circumstances other than those to which it
is  held  invalid or unenforceable, shall not be affected thereby, and each such
term  and  provision  of  this  Agreement  shall be valid and be enforced to the
fullest  extent  permitted  by  law.

10.2  Waiver.  No  waiver  of  any  breach  of  any covenant or provision herein
contained  shall  be  deemed  a  waiver  of  any  preceding or succeeding breach
thereof, or of any other covenant or provision herein contained. No extension of
time  for  performance of any obligation or act shall be deemed and extension of
the  time  for  performance  of  any  other  obligation  or  act.

10.3  Notices.  All  notices  or  other  communications  required  or  permitted
hereunder  shall  be  in  writing,  and shall be sent by registered or certified
mail,  postage  prepaid,  return receipt requested, and shall be deemed received
upon  mailing  thereof.

If  to  INAT
To:  4201  Wilshire  Blvd.,  Suite  525  Los  Angeles,  CA  90010

If  to  NRC
To:  Attention:  Mr.  Dan  Tennant 3485 Sacramento Drive, #F San Luis Obispo, CA
93401

Notice  of  change  of  address  shall  be given by written notice in the manner
detailed  in  this  subparagraph  10.3.

10.4  Successors  and  Assigns.  This  Agreement shall be binding upon and shall
inure  to  the  benefit  of  the permitted successors and assigns of the parties
hereto.


                                        8


10.5  Professional Fees. In the event of the bringing of any action or suit by a
party  hereto  against another party hereunder by reason of any breach of any of
the  covenants,  agreements or provisions on the part of the other party arising
out of this Agreement, then in that event the prevailing party shall be entitled
to  have  and  recover of and from the other party all costs and expenses of the
action  or  suit,  including  actual attorney's fees, accounting fees, and other
professional  fees  resulting  therefrom.

10.6  Entire  Agreement.  This Agreement is the final statement of, and contains
the  entire  agreement  between,  the parties with respect to the subject matter
hereof  and  supersedes  all  prior  understandings  with  respect thereto. This
Agreement  may not be modified, changed, supplemented or terminated, nor may any
obligations  hereunder  be  waived,  except  by written instrument signed by the
party  to  be charged or by his agent duly authorized in writing or as otherwise
expressly  permitted  herein.  The  parties  do not intend to confer any benefit
hereunder  on  any  person,  firm  or corporation other than the parties hereto.

10.7  Time  of  Essence.  The  parties hereby acknowledge and agree that time is
strictly  of  the  essence  with  respect  to  each  and  every term, condition,
obligation  and  provision  hereof and that failure to timely perform any of the
terms,  conditions,  obligations  or  provisions  hereof  by  either party shall
constitute  a  material  breach  of and non-curable (but waivable) default under
this  Agreement  by  the  party  so  failing  to  perform.

10.8  Construction. Headings at the beginning of each paragraph and subparagraph
are  solely  for  the  convenience  of  the  parties  and  are not a part of the
Agreement.  Whenever  required  by  the  context of this Agreement, the singular
shall  include  the  plural  and  the masculine shall include the feminine. This
Agreement  shall  not  be  construed  as  if  it had been prepared by one of the
parties,  but  rather as if both parties had prepared the same. Unless otherwise
indicated, all references to paragraphs and subparagraphs are to this Agreement.
In  the  event  the date on which any party is required to take any action under
the  terms of this Agreement is not a business day, the action shall be taken on
the  next  succeeding  day.

10.9  Counterparts.  This Agreement may be executed in one or more counterparts,
each  of  which  shall  be  an  original  and  all of which taken together shall
constitute  one  instrument.


                                        9


10.10  Governing  Law.  The  parties  hereto expressly agree that this Agreement
shall  be  governed  by,  interpreted  under,  and  construed  and  enforced  in
accordance  with  the  laws  of  the  State  of  Nevada.

IN  WITNESS  WHEREOF, the parties hereto have executed this Agreement on the day
first  above  here  written.

Dated:  March  27,  2002            Neurochemical  Research  Corp.


                                    By:  /s/  Carol  Slavin
                                   --------------------------
                                    President


Dated:  March  28,  2002            InterNatural  Pharmaceuticals,  Inc.


                                    By:  /s/  Roy  Rayo
                                   ---------------------
                                    Corporate  Secretary


                                       10