The Antacid Market is witnessing steady expansion as digestive health awareness increases and consumers seek accessible solutions for heartburn, acid reflux, indigestion, and related symptoms. Changing dietary habits, sedentary lifestyles, stress, and the increasing prevalence of gastrointestinal disorders are contributing to demand for over-the-counter antacid products. According to Market Research Future, the global market was valued at approximately USD 18.99 billion in 2024 and is projected to reach USD 25.74 billion by 2035, registering a CAGR of 2.8% during the 2025–2035 forecast period.

The Antacid Market is segmented by type, active ingredient, application, distribution channel, and region. Liquid antacids currently represent the largest product category, while calcium carbonate is a leading active ingredient. Immediate-relief applications account for a substantial share because consumers commonly use antacids to address occasional heartburn and indigestion. Pharmacies remain an important distribution channel, although online retailers are gaining momentum as digital purchasing becomes more convenient. North America held more than 40% of global revenue in 2024, while Europe and Asia-Pacific also represent significant opportunities for manufacturers.