POWER OF ATTORNEY

For Executing Forms 3, 4, 5 and 144

       The undersigned hereby constitutes and
appoints each of Nicole McDaniel, Beth Taylor,
and Fernanda Beraldi, signing singly, as the
undersigned's true and lawful attorney-in-fact,
for such period of time
that the undersigned is required to file reports
pursuant to Section 16(a) of the Securities
Exchange Act of 1934, as amended (the "Exchange
Act"), or Rule 144 of the Securities Act of 1933,
as amended (the "Securities Act"), due to his
affiliation with Inotiv, Inc., an Indiana corporation,
unless earlier revoked by the undersigned in a
signed writing delivered to the foregoing
attorneys-in-fact, to:

1) execute for and on behalf of the undersigned Form
ID, Forms 3, 4, 5 and 144 and any amendments
to previously filed forms in accordance
with Section 16(a) of the Exchange Act or
Rule 144 of the Securities Act and
the rules thereunder;

2) do and perform any and all acts for and on
behalf of the undersigned which may be
necessary or desirable to complete the execution
of any such Form ID, Forms 3, 4, 5 and 144
and the timely filing of such form with
the United States Securities and Exchange
Commission and any other authority as required
by law; and

3) take any other action of any type whatsoever
in connection with the foregoing which, in
the opinion of such attorney-in-fact, may be
of benefit to, in the best interest of
or legally required by the undersigned,
it being understood that the documents executed
by such attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney
shall be in such form and shall contain such
terms and conditions as such attorney-in-fact
may approve in his discretion.

       The undersigned hereby grants to each such
attorney-in-fact full power and authority to do and
perform all and every act and thing whatsoever
requisite, necessary and proper to be done in the
exercise of any of the rights and powers herein
granted, as fully to all intents and purposes
as the undersigned could do if personally present,
with full power of substitution or
revocation, hereby ratifying and confirming
all that such attorney-in-fact, or his
substitute or substitutes, shall lawfully do
or cause to be done by virtue of this Power of
Attorney and the rights and powers herein
granted.  The undersigned acknowledges that
the foregoing attorneys-in-fact, in serving in
such capacity at the request of the undersigned,
are not assuming any of the undersigned's
responsibilities to comply with Section 16 of
the Exchange Act or Rule 144 of the Securities Act.

        IN WITNESS WHEREOF, the undersigned has caused
this Power of Attorney to be executed as of this
9th day of January, 2023.

/s/ Jeffrey Arthur Krupp
       Jeffrey Arthur Krupp