Welcome, JudyAH! I happen to think SP is the motherload, too. I don't see anyone on the SCHwarz. board who has YET commented on dairy allergies, only grain aller. and such, so far. But, if your posted question is on here, you're liable to hear from someone about it.
Keep asking here and on the main board and somebody will have an answer. Put the question to Doreen T, Karen or Tamarian. They know just where to look. I would say that lo-carbing (esp. SP) w/ your allergies and your workplace situation might be a CHALLENGE, but never impossible. People even do this w/ a vegetarian diet, but it takes knowledge and practice. This site is a FONT of knowledge. I was really clueless till I read and found this site. (Still am, but I'm not finished reading ).

Great to have you!
yb