LEJOG IN 5 DAYS

well yes i too think it is a bit crazy!!!!
we are a group of soldiers all of reasonable cycling abilities planning to do the LeJoG in June this year in a total of 5 days .
i am asking on the forum if anyone has completed this challange and what advice would you give me on the energy drinks and gels and nutrition bars or if there is any suppliers out there willing to assist us in this task
cheers for reading this
yours in sport
graham