Powerful and fast acting relief from heartburn, acid reflux and indigestion. De La Cruz pure sodium bicarbonate powder is a finely ground, USP grade antacid powder which helps neutralize stomach acid, relieving heartburn, acid reflux and other symptoms related to an upset stomach. Easy to mix with water, our sodium bicarbonate is sugar free and pharmaceutical grade, with no harmful additives or chemicals. Also suitable for home and food needs including baking, cleaning and deodorizing your home.