Mylanta Tonight

Nighttime heartburn has a way of showing up right when you're trying to lie down and sleep. Mylanta Tonight is formulated for exactly that moment — an antacid designed to calm the burn, acid indigestion, and sour stomach that flare up in the evening so you can settle in without discomfort keeping you awake.

This collection features Mylanta Tonight Antacid Liquid (800 mg/270 mg/80 mg, 12 oz.), a liquid formula that combines aluminum hydroxide, magnesium hydroxide, and simethicone. The antacids neutralize excess stomach acid on contact for fast relief, while simethicone works on the trapped gas and bloating that often accompany a heavy late meal. Because it's a liquid rather than a chewable tablet, it coats and acts quickly — a practical choice when you want relief before bed rather than another thing to chew.

A common question buyers ask: how is this different from regular Mylanta? Both share the same core antacid and anti-gas approach, but the Tonight formulation is positioned specifically for evening and overnight symptom relief. If you deal with heartburn throughout the day, or need a higher-strength option, it's worth comparing across the full Mylanta lineup and the more concentrated Mylanta Max to match the product to how and when your symptoms hit.

As with any antacid, shake the liquid well before use and follow the dosing directions on the label. If heartburn persists beyond two weeks or you're managing symptoms regularly, it's a good idea to check in with a healthcare provider, since frequent nighttime reflux can point to something that needs longer-term attention.