I purchased vacuum-packed wheat germ (the one that says guaranteed fresh until 4/2010). It stayed in my pantry a few months, then I opened it and refrigerated immediately. (Tried toasting it but it was too much of a pain.)
The package only says that it must be refrigerated, not for how long or what container it should be in (I put it in an extra ziploc bag).
So I'm not sure whether I can give it to DD or not. Internet searches did not bring up many reliable sources -- and the answers ran the gamut from "it only keeps a few days, and it should be refrigerated immediately after you bring it home from the store, even sealed" to "you can keep it in the fridge for weeks." Any thoughts?