Mylanta Heartburn and Gas Relief Antacid Liquid is a trusted remedy for heartburn and gas discomfort. Formulated to provide fast-acting relief, this antacid helps neutralize stomach acid and alleviate gas pain effectively. Its delicious vanilla caramel flavor makes it a palatable option for those seeking relief from heartburn and gastric distress. Ideal for use during occasional heartburn episodes, it is alcohol-free and gentle on the stomach. Product Benefits. Fast-Acting Relief From Heartburn And Gas. Pleasant Vanilla Caramel Flavor. Effective Neutralization Of Stomach Acid.