An update to my earlier DNP & dairy comment:
My wife and I have gone through our food and weight logs, and I've experimented the last couple of days, and our conclusion is, that high-lactose dairy (so not cheese) negates a lot of the effects of DNP. We assume it has something to do with the lactose bloat, but not why.
For me, even one dose of full-fat yogurt (150 g) stopped sides within 15 minutes, only to return with a vengeance 6-7 hours later.
One mechanism could be, that lactose bloat causes liquids normally sweated out on DNP to be retained in the cells. If this is the case, then that could be very dangerous, as your temperature could keep rising without a correspondent increase in sweating. Which is what many people assess dosages by.
Just to play it safe, try cutting out all lactose while on DNP. And use whey isolate. Can't hurt, and might keep you safe(r).