The Science Behind Antacids and Heartburn Relief

Heartburn is caused by stomach acid rising into the esophagus, creating a burning sensation.
Antacids work by neutralizing excess stomach acid with basic compounds.
Common antacid ingredients include calcium carbonate, magnesium hydroxide, and sodium bicarbonate.
Neutralization produces water and salts, which reduce acidity and calm discomfort.
Calcium-based antacids can also provide a small boost of dietary calcium.
Magnesium compounds act quickly but may have a laxative effect in high doses.
Aluminum hydroxide works more slowly but helps reduce acid over a longer period.
Some antacids include simethicone to relieve gas and bloating along with heartburn.
Liquid antacids often coat the esophagus, providing faster soothing relief.
While effective for quick relief, frequent heartburn may require medical attention for underlying issues.