What Is Omeprazole Magnesium?

Omeprazole magnesium is an over-the-counter antacid. The molecular formula is C ₁₇ H ₁₉ MgN ₃ O ₃ S. This product is a H +, K + -ATPase proton pump inhibitor. After absorption through the small intestine, it is concentrated in the stomach wall through blood circulation, thereby inhibiting gastric acid.