---
product_id: 365987493
title: "Extra Strength Heartburn Relief Effervescent Antacid Tablets, Fast Indigestion Relief, 24 Ct"
brand: "alka-seltzer"
price: "$16.07"
currency: USD
in_stock: true
reviews_count: 8
url: https://www.desertcart.us/products/365987493-extra-strength-heartburn-relief-effervescent-antacid-tablets-fast-indigestion-relief
store_origin: US
region: United States of America
---

# Fast-acting relief in seconds Portable sachets for on-the-go Neutralizes 99% excess acid Extra Strength Heartburn Relief Effervescent Antacid Tablets, Fast Indigestion Relief, 24 Ct

**Brand:** alka-seltzer
**Price:** $16.07
**Availability:** ✅ In Stock

## Summary

> 🔥 Fast fizz, fast fix — relief that keeps you moving! ⚡

## Quick Answers

- **What is this?** Extra Strength Heartburn Relief Effervescent Antacid Tablets, Fast Indigestion Relief, 24 Ct by alka-seltzer
- **How much does it cost?** $16.07 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/365987493-extra-strength-heartburn-relief-effervescent-antacid-tablets-fast-indigestion-relief)

## Best For

- alka-seltzer enthusiasts

## Why This Product

- Trusted alka-seltzer brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted Legacy:** Over 90 years of proven effectiveness, making it the go-to choice for fast heartburn relief.
- • **Effervescent Ease:** Dissolves quickly in water with a refreshing fizz—no chalky residue, just smooth relief.
- • **Extra Strength Formula:** Powerful enough to tackle severe heartburn and indigestion episodes, outperforming regular antacids.
- • **Travel-Ready Convenience:** Compact sachets fit perfectly in your bag or desk drawer, ensuring relief is always within reach.
- • **Rapid Acid Neutralization:** Starts working within seconds to neutralize 99% of excess stomach acid, so you never miss a beat.

## Overview

Alka-Seltzer Extra Strength Heartburn Relief Effervescent Tablets deliver rapid, powerful relief by neutralizing 99% of excess stomach acid within seconds. Packaged in portable sachets, this trusted formula combines anhydrous citric acid and sodium bicarbonate for a smooth, refreshing fizz that dissolves completely in water. Ideal for busy professionals, it offers a convenient, extra-strength solution to heartburn and indigestion with a legacy of over 90 years.

## Description

Don’t let indigestion and heartburn interrupt your day, Alka-Seltzer Extra Strength Heartburn Relief tablets start neutralizing excess stomach acid in seconds. Drop 2 antacid tablets in water to get fast indigestion relief that neutralizes 99% of excess acid. With a dose per sachet, Alka-Seltzer Heartburn Relief Extra Strength tablets are convenient and portable so relief is always within reach, from the pantry, to your pocket. These tablets contain the active ingredients Anhydrous citric acid and Sodium bicarbonate. To use, fully dissolve antacid tablets in 4 ounces of water before taking. Adults and children 12 years old and over can take 2 tablets every 4 hours as needed, or as directed by a doctor. Do not take more than 8 tablets in 24 hours.

Review: Does it’s job - Alka-Seltzer Heartburn Relief Extra Strength Effervescent Tablets Review Overall Rating: 4.7/5 The Alka-Seltzer Heartburn Relief Extra Strength Effervescent Tablets provide fast-acting and effective relief for a range of stomach issues, including heartburn, acid indigestion, sour stomach, and general discomfort. Their effervescent formula works quickly, making them a reliable choice for those who need rapid relief. Pros: ✅ Fast-Acting Relief: The effervescent formula dissolves quickly in water and provides relief faster than many chewable antacids or pills. ✅ 4-in-1 Relief: Effectively tackles heartburn, acid indigestion, sour stomach, and general stomach upset, making it a versatile solution. ✅ Extra Strength Formula: Works well for more severe heartburn episodes compared to regular-strength antacids. ✅ Easy to Use: Just drop a tablet in water, let it fizz, and drink—no need for chewing or swallowing pills. ✅ No Chalky Texture: Unlike chewable tablets, this formula goes down smoothly with a refreshing, slightly citrusy taste. Cons: ❌ High Sodium Content: Each dose contains a significant amount of sodium, which may not be suitable for those on low-sodium diets. ❌ Fizzing May Not Be for Everyone: Some people dislike the carbonated texture or prefer solid antacid forms. ❌ Glass & Water Required: Unlike chewables or capsules, you need water and a glass to prepare the solution, which isn’t always convenient. ❌ Temporary Relief: Works well for immediate symptoms, but not a long-term solution for chronic acid reflux or GERD. Final Verdict: The Alka-Seltzer Heartburn Relief Extra Strength tablets are a great choice for quick and effective relief from heartburn and stomach discomfort. The effervescent formula acts faster than chewable tablets and provides a smooth, easy-to-consume solution. However, if you’re sensitive to sodium or prefer solid antacids, you might want to explore other options. Best for: Those who need rapid, extra-strength relief and don’t mind a dissolvable format.
Review: Fast-Acting, Fizzing Relief—A Must-Have for Heartburn and Indigestion (If You Can Find It!) - These Alka-Seltzer Tablets for Heartburn, Lemon Lime are an absolute must-have in my house. They’ve saved me (and my family) countless times from indigestion and heartburn. The only downside is how often they’re out of stock—which just proves how well they work. When I can get them, I always stock up. What I love about these is how consistent they are. The tablets always arrive in perfect condition—no crumbling, no broken pieces, and they’re sealed well, so they stay fresh. They’re solid but dissolve beautifully in water. Just drop two tablets into a glass of water, and they fizz instantly, dissolving completely without leaving any weird chalky residue at the bottom of the glass. The Lemon Lime flavor is light and refreshing—not overly medicinal or chemical-tasting like some antacids. It goes down easy, and I actually find the fizzing action soothing (kind of like a calming ritual when I’m dealing with heartburn). No gross smells either, which is a huge plus because some antacids have that overpowering scent. Within minutes of drinking it, the relief kicks in—that burning sensation fades, the bloating settles, and I can move on with my day (or sleep through the night). The active ingredient here is sodium bicarbonate (baking soda) and citric acid, which work together to neutralize stomach acid fast. This combination has been around forever because it works. If you struggle with heartburn or indigestion, this is something you want to keep on hand. But trust me, when you see it in stock, grab it—because once it’s gone, it’s tough to find again.

## Features

- Fast Indigestion & Heartburn Relief: Alka-Seltzer Extra Strength Heartburn Relief Effervescent Tablets have you covered with fast acid indigestion relief and heartburn.
- Nothing Works Faster: Quickly dissolves and starts working in seconds to neutralize 99% of excess acid
- Portable Sachets: This travel-friendly pack includes 36 individual packets of antacid tablets. Designed for easy storage, so quick heartburn relief is always within reach
- Easy To Use: Fully dissolve 2 tablets in 4oz of water, fizz it and drink it. You do not have to drink any of the residue that may be on the bottom of the glass. The medicines of Alka-Seltzer Extra Strength Heartburn Relief are in the water
- Does Not Contain Aspirin: These effervescent antacid tablets contain the active ingredients Anhydrous citric acid and Sodium bicarbonate
- Trusted For Over 90 Years: Your go-to brand for fast heartburn relief since 1931

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B01MPYDZ13 |
| Best Sellers Rank | #38,046 in Health & Household ( See Top 100 in Health & Household ) #190 in Antacids |
| Customer Reviews | 4.8 4.8 out of 5 stars (4,082) |
| Date First Available  | June 27, 2017 |
| Item model number  | 17071 |
| Manufacturer  | Bayer Consumerhealth LLC |
| Product Dimensions  | 3 x 0.5 x 6 inches; 3.53 ounces |

## Product Details

- **Brand:** Alka-Seltzer
- **Item dimensions L x W x H:** 3 x 0.5 x 6 inches
- **Specific Uses For Product:** Heartburn

## Images

![Extra Strength Heartburn Relief Effervescent Antacid Tablets, Fast Indigestion Relief, 24 Ct - Image 1](https://m.media-amazon.com/images/I/81PXhaVUarL.jpg)

## Questions & Answers

**Q: What’s the difference between Alka-Seltzer effervescent tablets and ReliefChews?**
A: 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.

**Q: What temperature of water should I use to dissolve Alka-Seltzer tablets?**
A: The best temperature is room temperature. Cold water will slow down dissolution and warm water can make it foam excessively.

**Q: Is Alka-Seltzer the same as baking soda?**
A: 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.

**Q: What makes Alka-Seltzer fizz?**
A: 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.

**Q: What are the active ingredients in Alka-Seltzer ReliefChews?**
A: ReliefChews contain calcium carbonate (antacid). Heartburn+Gas Relief Chews contain calcium carbonate (antacid) and simethicone (antigas).

## Customer Reviews

### ⭐⭐⭐⭐⭐ Does it’s job
*by E***N on February 1, 2025*

Alka-Seltzer Heartburn Relief Extra Strength Effervescent Tablets Review Overall Rating: 4.7/5 The Alka-Seltzer Heartburn Relief Extra Strength Effervescent Tablets provide fast-acting and effective relief for a range of stomach issues, including heartburn, acid indigestion, sour stomach, and general discomfort. Their effervescent formula works quickly, making them a reliable choice for those who need rapid relief. Pros: ✅ Fast-Acting Relief: The effervescent formula dissolves quickly in water and provides relief faster than many chewable antacids or pills. ✅ 4-in-1 Relief: Effectively tackles heartburn, acid indigestion, sour stomach, and general stomach upset, making it a versatile solution. ✅ Extra Strength Formula: Works well for more severe heartburn episodes compared to regular-strength antacids. ✅ Easy to Use: Just drop a tablet in water, let it fizz, and drink—no need for chewing or swallowing pills. ✅ No Chalky Texture: Unlike chewable tablets, this formula goes down smoothly with a refreshing, slightly citrusy taste. Cons: ❌ High Sodium Content: Each dose contains a significant amount of sodium, which may not be suitable for those on low-sodium diets. ❌ Fizzing May Not Be for Everyone: Some people dislike the carbonated texture or prefer solid antacid forms. ❌ Glass & Water Required: Unlike chewables or capsules, you need water and a glass to prepare the solution, which isn’t always convenient. ❌ Temporary Relief: Works well for immediate symptoms, but not a long-term solution for chronic acid reflux or GERD. Final Verdict: The Alka-Seltzer Heartburn Relief Extra Strength tablets are a great choice for quick and effective relief from heartburn and stomach discomfort. The effervescent formula acts faster than chewable tablets and provides a smooth, easy-to-consume solution. However, if you’re sensitive to sodium or prefer solid antacids, you might want to explore other options. Best for: Those who need rapid, extra-strength relief and don’t mind a dissolvable format.

### ⭐⭐⭐⭐⭐ Fast-Acting, Fizzing Relief—A Must-Have for Heartburn and Indigestion (If You Can Find It!)
*by V***R on April 22, 2025*

These Alka-Seltzer Tablets for Heartburn, Lemon Lime are an absolute must-have in my house. They’ve saved me (and my family) countless times from indigestion and heartburn. The only downside is how often they’re out of stock—which just proves how well they work. When I can get them, I always stock up. What I love about these is how consistent they are. The tablets always arrive in perfect condition—no crumbling, no broken pieces, and they’re sealed well, so they stay fresh. They’re solid but dissolve beautifully in water. Just drop two tablets into a glass of water, and they fizz instantly, dissolving completely without leaving any weird chalky residue at the bottom of the glass. The Lemon Lime flavor is light and refreshing—not overly medicinal or chemical-tasting like some antacids. It goes down easy, and I actually find the fizzing action soothing (kind of like a calming ritual when I’m dealing with heartburn). No gross smells either, which is a huge plus because some antacids have that overpowering scent. Within minutes of drinking it, the relief kicks in—that burning sensation fades, the bloating settles, and I can move on with my day (or sleep through the night). The active ingredient here is sodium bicarbonate (baking soda) and citric acid, which work together to neutralize stomach acid fast. This combination has been around forever because it works. If you struggle with heartburn or indigestion, this is something you want to keep on hand. But trust me, when you see it in stock, grab it—because once it’s gone, it’s tough to find again.

### ⭐⭐⭐⭐⭐ Treatment for heartburn.
*by K***S on January 9, 2026*

Reduces heartburn.

## Frequently Bought Together

- Alka-Seltzer Heartburn Relief Extra Strength Effervescent Tablets, 4-in-1 Relief from Heartburn, Sour Stomach, Acid Indigestion, and Upset Stomach, Dissolvable Antacid, 24 ct
- Alka-Seltzer Effervescent Tablets Original Flavor, Fast Multi-Symptom Relief from Headache and Body Ache, Dissolvable Effervescent Fizzy Tablets, 72 Ct

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-02*