EXHIBIT 32.1

                                  CERTIFICATION
                           Pursuant  to  18  U.S.C.  1350
                 (Section  906  of  the  Sarbanes-Oxley  Act  of  2002)

In connection with the Annual Report on Form 10-Q of Lightlake Therapeutics Inc.
(the"Company")  for  the  quarterly period ended October 31, 2009, as filed with
the  Securities  and  Exchange Commission on the date hereof (the "Report"), Dr.
Roger  Crystal,  as  Chief  Executive  Officer of the Company, hereby certifies,
pursuant  to  18  U.S.C.  ss.1350,  as  adopted  pursuant  to  ss.906  of  the
Sarbanes-Oxley  Act  of  2002,  that:

     (1)  The  Report  fully  complies with the requirements of Section 13(a) or
          15(d)  of  the  Securities  Exchange  Act  of  1934;  and

     (2)  The  information  contained  in  the  Report  fairly  presents, in all
          material  respects,  the financial condition and results of operations
          of  the  Company.


Date:  12/21/09                           By:  /s/ Dr. Roger Crystal
                                             -----------------------------------
                                             Dr.  Roger  Crystal
                                             Chief  Executive  Officer

This  certification  accompanies  each  Report  pursuant  to  ss.  906  of  the
Sarbanes-Oxley  Act  of 2002 and shalL not, except to the extent required by the
Sarbanes-Oxley Act of 2002, be deemed filed by the Company for purposes of ss.18
of  the  Securities  Exchange  Act  of  1934,  as  amended.

A  signed  original  of  this written statement required by Section 906 has been
provided to the Company and will be retained by the Company and furnished to the
Securities  and  Exchange  Commission  or  its  staff  upon  request.

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