1
                                                                    Exhibit 23.3


CONSENT OF DELOITTE & TOUCHE LLP, INDEPENDENT AUDITORS


We consent to the use in this Amendment No. 2 to Registration Statement No.
333-61440 of AmerisourceBergen Corporation on Form S-4 of our report dated May
21, 2001, appearing in the Prospectus, which is part of this Registration
Statement and to the reference to us under the heading "Experts" in such
Prospectus.

/s/ Deloitte & Touche LLP

DELOITTE & TOUCHE LLP

Costa Mesa, California
July 26, 2001

   2
                                                                    Exhibit 23.3


CONSENT OF DELOITTE & TOUCHE LLP, INDEPENDENT AUDITORS


We consent to the incorporation by reference in this Amendment No. 2 to
Registration Statement No. 333-61440 of AmerisourceBergen Corporation on Form
S-4 of our reports dated November 1, 2000 (December 20, 2000 as to Note 17)
appearing in the Annual Report on Form 10-K of Bergen Brunswig Corporation for
the year ended September 30, 2000 and to the reference to us under the headings
"Experts" in the Prospectus, which is part of this Registration Statement.

/s/ Deloitte & Touche LLP

DELOITTE & TOUCHE LLP

Costa Mesa, California
July 26, 2001