Every hashgacha has +&-.
What about plain black?
Does flavored coffee from wawa need a hechsher
Does seltzer with alcohol need a hechsher?
I just heard that any mars brand chocolates such as snickers, milky way, Twix, m&ms etc are powdered milk. Can anyone confirm that?
Yes in Israel the stickers say that.
so is that only good for the ones in Israel?
You can ask the OU
What is the situation with dunkin donuts in manhattan under "national kosher supervision" is it reliable?
Are the stores open on Shabbos?
I believe all kosher DD are open on shabbos.
How are they supervised on Shabbos?
The same way your simcha hall is!?
Probably not.Are the stores open on Shabbos?
I wouldnt trust those stickers, they also say that Ben & Jerry's along with other things that have real milk in them are 'avkat chalav nachri'