My son said what we really helpful for him is the way he worked with his recruiter to be in physical shape prior to leaving for bootcamp. He said he had guys in his DIV that were very smart but got held back for their PFA. I cant imagine how crushing that must be
They can take a good multivitamin while in DEP, and OTC things such as Tylenol. Good nutrition and hydration is probably the best bet for now.
For now....she is preparing for Asvab.....has to have a high score and high line scores so she is a distance from joining. Has to get her AA and possibly even her BA if she can't get Asvab up.