Mineral water (Passover) Status: Acceptable for Passover if free of carbonation, flavors, vitamins, or other sensitive ingredients In this context, caffeine and calcium citrate are “sensitive” ingredients, and the following ingredients are not: calcium chloride, magnesium chloride, magnesium oxide, magnesium sulfate, potassium carbonate, potassium bicarbonate, potassium chloride, sodium bicarbonate, and sodium chloride.