Each H2 blocker tablet helps control stomach acid, providing relief from heartburn, acid indigestion, sour stomach, and other acid-related discomforts. Take 1 tablet with a full glass of water up to 30 minutes before meals to help prevent heartburn, or anytime symptoms appear for quick acid control. Works before, during, or after eating to reduce acid production and relieve burning sensations. This maximum-strength acid reducer offers both relief and prevention in a simple one-tablet dose.