Are RXBARs vegan? No. Each item contains (fully pasteurized) egg whites. Find out what's inside here. See also: Does RXBAR use cooked egg whites? Related articles Does RXBAR use dairy ingredients? Does RXBAR use cooked egg whites? Does the chocolate in RXBARs contain any sugar or dairy? What are natural flavours in RXBARs? Does RXBAR use gluten ingredients?