Filed Pursuant to Rule 424(b)(3)
                                                 Registration File No. 333-87134


                                  I-TRAX, INC.


                   PROSPECTUS SUPPLEMENT DATED JANUARY 6, 2004
                       TO PROSPECTUS DATED AUGUST 13, 2003

         The prospectus of I-trax, Inc. dated August 13, 2003 is supplemented to
disclose  that,   effective  December  31,  2003,  I-trax,   Inc.  and  Palladin
Opportunity Fund LLC amended the 6% convertible  senior debenture in the initial
aggregate  principal  amount of  $2,000,000,  which  I-trax  issued to  Palladin
pursuant to a Purchase  Agreement  dated as of  February 4, 2002,  to extend the
maturity date of the 6%  convertible  senior  debenture from February 3, 2004 to
February 3, 2005.  As  consideration  for the  extension of the  maturity  date,
I-trax  issued to Palladin a warrant to acquire  50,000  share of I-trax  common
stock at an exercise price of $1.75 per share.  The new warrant is substantially
identical to the warrant  previously  issued to Palladin and described in detail
in the prospectus dated August 13, 2003.