Like most executives’ offices, David Bronner’s is equipped with all the necessary supplies to get him through a typical workday, which in Bronner’s case means an ample stockpile of Alka-Seltzer, aspirin, Pepto-Bismol and Tagamet. “I have another antacid, too, but I can’t remember the name, ” Bronner says with a chuckle. Such is life for…