ALLERGY ALERT: Falafel King's Tzatziki Sauce with undeclared milk   Boulder, Colorado, 2017-Feb-03 — /EPR Retail News/ — Falafel King of Boulder, Colorado is notifying the public that its containers of Tzatziki Sauce made with sour cream contains milk, a known allergen. People who have an allergy or severe sensitivity to milk run the risk of a serious or life-threatening allergic…