McKesson Antacid Brand 420 mg Strength Tablets offer a trusted and effective solution for fast relief from the discomfort of heartburn and indigestion. These powerful effervescent tablets, containing 420 mg of calcium carbonate, neutralize stomach acids quickly, providing immediate relief. Their convenient 2-tablet packets make them easy to carry and use on the go, while their economical value provides excellent cost-effectiveness. Simply dissolve two tablets in half a glass of water to enjoy fast-acting relief. Stay comfortable and enjoy life's moments without the discomfort of heartburn or indigestion with McKesson Antacid Brand 420 mg Strength Tablets. Use as directed and consult a healthcare professional if symptoms persist or worsen. Keep out of reach of children.