What’s the difference between Alka-Seltzer effervescent tablets and ReliefChews?

Both effervescent tablets and ReliefChews are portable and deliver fast multi-symptom relief. Effervescent tablets dissolve in water for fizzy, refreshing relief you can hear, see and feel. ReliefChews are delicious and chewy.

What temperature of water should I use to dissolve Alka-Seltzer tablets?

The best temperature is room temperature. Cold water will slow down dissolution and warm water can make it foam excessively.

Is Alka-Seltzer the same as baking soda?

Not exactly. Baking soda (sodium bicarbonate) does not contain anhydrous citric acid, the main active ingredient in Alka-Seltzer effervescent tablets that relieve heartburn and acid indigestion.

What makes Alka-Seltzer fizz?

Alka-Seltzer contains citric acid and sodium bicarbonate (baking soda). When you drop the tablet in water, the acid and the baking soda react – this produces fizz.

What are the active ingredients in Alka-Seltzer ReliefChews?

ReliefChews contain calcium carbonate (antacid). Heartburn+Gas Relief Chews contain calcium carbonate (antacid) and simethicone (antigas).

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🔥 Fast fizz, fast fix – beat heartburn before it beats you!

TRUSTED LEGACY - Over 90 years of proven heartburn relief reliability
EFFERVESCENT POWER - Fizzing tablets dissolve quickly for immediate relief
ASPIRIN FREE FORMULA - Gentle on your system without aspirin, just pure relief
TRAVEL READY CONVENIENCE - Compact sachets fit perfectly in your bag or pocket
RAPID ACID NEUTRALIZATION - Starts working within seconds to banish heartburn fast

Alka-Seltzer Extra Strength Heartburn Relief offers fast-acting, aspirin-free effervescent tablets that neutralize 99% of excess stomach acid within seconds. Packaged in convenient, portable sachets, it’s your trusted solution for quick indigestion and heartburn relief anytime, anywhere.