---
title: "acid reflux medicine — Niche Verdict: Worth a look (59/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/health-household/acid-reflux-medicine"
last_updated: "2026-07-14T02:12:10.083Z"
locale: en
meta:
  description: "acid reflux medicine shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:description": "acid reflux medicine shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:title": "acid reflux medicine — Niche Verdict: Worth a look (59/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **acid reflux medicine**

**Worth a look**

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 97Growth 25Conversion 97Competition 58Returns 100Price range 43Avg price 42Brand share 52Review moat 20Quality gap 18

**Returns**

**Incredible****0.0%**

return rate — above 6% kills the launch gate

**Market size**

**Incredible****$4.4M**

$4.4M/yr · 2.5M searches

**Conversion**

**Incredible****15.7%**

search→purchase rate — share of searches ending in a sale

**Competition**

**Good****50%**

top-5 click share — leaders hold, buyers still browse

**Brand share**

**Good****74%**

top-5 brand share — brands hold most of the demand

**Price range**

**Okay****$3.96–$23.47**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Avg price**

**Okay****$11.06**

avg listing price — sweet spot $15–$100

**Growth**

**Bad****-0.3%**

90-day search growth — must beat 0% to launch

**Review moat**

**Bad****12,911.45**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

## **Competition**

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**18 **▼falling

**Sellers**

**620**

**Top-5 brand share**

**74%**

**Open market**

**22%**

- Amazon Basic Care45% - Zantac11% - TUMS8% - Ohm6% - Prilosec4% - HealthA2Z4%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%$221K10%$441K15%$662K20%$883K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 31 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Amazon Basic Care Maximum Strength Famotidine Tablets 20 mg Acid Reducer for Heartburn Relief Prevents & Relieves Acid Indigestion Heartburn Medicine 12 Hour Protection 200 Count](https://m.media-amazon.com/images/I/41Sw8F2SRhL.jpg)**Amazon Basic Care Maximum Strength Famotidine Tablets 20 mg Acid Reducer for Heartburn Relief Prevents & Relieves Acid Indigestion Heartburn Medicine 12 Hour Protection 200 Count**Amazon Basic Care**$10.31**4.7★54,405 rev](https://www.amazon.com/dp/B074F18H4B) [2![Amazon Basic Care Omeprazole Delayed Release Tablets 20 mg Treats Frequent Heartburn Acid Reducer Heartburn Medicine 42 Count (Pack of 1) (Packaging may vary)](https://m.media-amazon.com/images/I/41Xm57TKr4L.jpg)**Amazon Basic Care Omeprazole Delayed Release Tablets 20 mg Treats Frequent Heartburn Acid Reducer Heartburn Medicine 42 Count (Pack of 1) (Packaging may vary)**Amazon Basic Care**$8.59**4.7★60,288 rev](https://www.amazon.com/dp/B074F1RWV9) [3![Zantac 360 Maximum Strength Tablets 50 Count Heartburn Prevention and Relief 20 mg Tablets](https://m.media-amazon.com/images/I/51ztBGDZqgL.jpg)**Zantac 360 Maximum Strength Tablets 50 Count Heartburn Prevention and Relief 20 mg Tablets**Zantac**$15.31**4.8★3,692 rev](https://www.amazon.com/dp/B091BH175S) [4![Ohm Omeprazole 20mg 42 Delayed-Release Tablets Acid Reducer for Frequent Heartburn 24-Hour Relief Heartburn Medicine Helps Relieve Stomach & Chest Discomfort (6 Weeks of Supply 42 Count)](https://m.media-amazon.com/images/I/4103ZqOHO9L.jpg)**Ohm Omeprazole 20mg 42 Delayed-Release Tablets Acid Reducer for Frequent Heartburn 24-Hour Relief Heartburn Medicine Helps Relieve Stomach & Chest Discomfort (6 Weeks of Supply 42 Count)**Ohm**$8.90**4.8★18,221 rev](https://www.amazon.com/dp/B08F72WMNQ) [5![Prilosec OTC Frequent Heartburn Medicine and Acid Reducer Treatment with Omeprazole Proton Pump Inhibitor - PPI 42 Tablets (20 mg)](https://m.media-amazon.com/images/I/415q-HvTXwL.jpg)**Prilosec OTC Frequent Heartburn Medicine and Acid Reducer Treatment with Omeprazole Proton Pump Inhibitor - PPI 42 Tablets (20 mg)**Prilosec**$21.09**4.7★19,716 rev](https://www.amazon.com/dp/B0000AN9L7)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Berkley Jensen Ultra Strength Antacid Chewable Tablets - 1000mg Calcium Carbonate for Heartburn Acid Indigestion Upset Stomach Relief - Assorted Berry Flavor - 265 Count](https://m.media-amazon.com/images/I/515PcSUE+oL.jpg)**Berkley Jensen Ultra Strength Antacid Chewable Tablets - 1000mg Calcium Carbonate for Heartburn Acid Indigestion Upset Stomach Relief - Assorted Berry Flavor - 265 Count**berkley jensen**$9.96**1,381 rev5mo ago](https://www.amazon.com/dp/B0GJN28LBP) [![Wonderbelly Antacid Effective Heartburn and Instant Acid Indigestion Relief Extra Strength Chewable Tablets 1000 mg Calcium Carbonate No Talc or Dye Wild Berry 50 count](https://m.media-amazon.com/images/I/41YUGsbCciL.jpg)**Wonderbelly Antacid Effective Heartburn and Instant Acid Indigestion Relief Extra Strength Chewable Tablets 1000 mg Calcium Carbonate No Talc or Dye Wild Berry 50 count**Wonderbelly**$9.91**393 rev11mo ago](https://www.amazon.com/dp/B0FK88CNT2) [![Nexium 24HR Acid Reducer Heartburn Relief Capsules for All-Day and All-Night Protection from Frequent Heartburn Heartburn Medicine with Esomeprazole Magnesium - 42 Count](https://m.media-amazon.com/images/I/41U6tOtlY0L.jpg)**Nexium 24HR Acid Reducer Heartburn Relief Capsules for All-Day and All-Night Protection from Frequent Heartburn Heartburn Medicine with Esomeprazole Magnesium - 42 Count**Nexium**$23.47**3,513 rev1y ago](https://www.amazon.com/dp/B0DX76JNN1) [![HealthA2Z Acid Reducer | Famotidine 20mg | Maximum Strength | Relief from Heart Burn Due to Acid Indigestion (365 Tablets (Pack of 1))](https://m.media-amazon.com/images/I/41Uv6u3dNYL.jpg)**HealthA2Z Acid Reducer | Famotidine 20mg | Maximum Strength | Relief from Heart Burn Due to Acid Indigestion (365 Tablets (Pack of 1))**HealthA2Z**$10.46**4,063 rev1y ago](https://www.amazon.com/dp/B0DK9T9JWD) [![Wonderbelly Antacid Effective Heartburn and Instant Acid Indigestion Relief Extra Strength Chewable Tablets 1000 mg Calcium Carbonate No Talc or Dye Strawberry Milkshake 120 Count](https://m.media-amazon.com/images/I/41vVREfVToL.jpg)**Wonderbelly Antacid Effective Heartburn and Instant Acid Indigestion Relief Extra Strength Chewable Tablets 1000 mg Calcium Carbonate No Talc or Dye Strawberry Milkshake 120 Count**Wonderbelly**$21.15**638 rev1y ago](https://www.amazon.com/dp/B0DC63HQY8)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Berkley Jensen Ultra Strength Antacid Chewable Tablets - 1000mg Calcium Carbonate for Heartburn Acid Indigestion Upset Stomach Relief - Assorted Berry Flavor - 265 Count](https://m.media-amazon.com/images/I/515PcSUE+oL.jpg)**Berkley Jensen Ultra Strength Antacid Chewable Tablets - 1000mg Calcium Carbonate for Heartburn Acid Indigestion Upset Stomach Relief - Assorted Berry Flavor - 265 Count**berkley jensen**$9.96**4.7★**▲ 242%**](https://www.amazon.com/dp/B0GJN28LBP) [![Wonderbelly Antacid Effective Heartburn and Instant Acid Indigestion Relief Extra Strength Chewable Tablets 1000 mg Calcium Carbonate No Talc or Dye Strawberry Milkshake 120 Count](https://m.media-amazon.com/images/I/41vVREfVToL.jpg)**Wonderbelly Antacid Effective Heartburn and Instant Acid Indigestion Relief Extra Strength Chewable Tablets 1000 mg Calcium Carbonate No Talc or Dye Strawberry Milkshake 120 Count**Wonderbelly**$21.15**4.7★**▲ 157%**](https://www.amazon.com/dp/B0DC63HQY8) [![Wonderbelly Antacid Effective Heartburn and Instant Acid Indigestion Relief Extra Strength Chewable Tablets 1000 mg Calcium Carbonate No Talc or Dye Wild Berry 50 count](https://m.media-amazon.com/images/I/41YUGsbCciL.jpg)**Wonderbelly Antacid Effective Heartburn and Instant Acid Indigestion Relief Extra Strength Chewable Tablets 1000 mg Calcium Carbonate No Talc or Dye Wild Berry 50 count**Wonderbelly**$9.91**4.8★**▲ 133%**](https://www.amazon.com/dp/B0FK88CNT2) [![365 by Whole Foods Market Antacid Regular Strength 150 Count](https://m.media-amazon.com/images/I/31W+uqYyuPL.jpg)**365 by Whole Foods Market Antacid Regular Strength 150 Count**365 by Whole Foods Market**$3.96**4.6★**▲ 79%**](https://www.amazon.com/dp/B08JMYMD72) [![HealthA2Z Acid Reducer | Famotidine 20mg | Maximum Strength | Relief from Heart Burn Due to Acid Indigestion (365 Tablets (Pack of 1))](https://m.media-amazon.com/images/I/41Uv6u3dNYL.jpg)**HealthA2Z Acid Reducer | Famotidine 20mg | Maximum Strength | Relief from Heart Burn Due to Acid Indigestion (365 Tablets (Pack of 1))**HealthA2Z**$10.46**4.7★**▲ 54%**](https://www.amazon.com/dp/B0DK9T9JWD)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -0.3% search growth over the last 90 days.

125K75KSpike '25Prime Day '25 seasonSepDecMarJunAugNovMarMay

Peak months: Sep · busiest ÷ quietest = 1.7×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Value For Money**19%

*“much cheaper”*

**Efficiency**11%

*“Works effectively”*

**Quality-Overall**11%

*“Excellent Product”*

**Heart Health**9%

*“its a great product for heart”*

**Advertised Vs Actual Product**8%

*“Accurate description”*

**Taste-Overall**8%

*“Better Taste”*

**Acid Regulator/Stomach Ache Relief**5%

*“Helps with acid reflux”*

**Regulates Digestion**3%

*“Indigestion Relief”*

**Ease Of Chewing/Swallowing**3%

*“Easier to swallow”*

**Dosage**3%

*“Great product, easy to snap in half, for customized dosing, lol”*

### **What buyers complain about **

**Functionality-Overall**11%

*“Works poorly”*

**Taste-Overall**7%

*“Chalky Taste”*

**Value For Money**7%

*“its expensive”*

**Heart Health**6%

*“I was experiencing terrible heart burn”*

**Dosage**5%

*“Seems low dosage”*

**Size-Overall**5%

*“Smaller than expected”*

**Ease Of Chewing/Swallowing**4%

*“Hard to swallow”*

**Hard Feel**4%

*“Hard plastic tray”*

**Acid Regulator/Stomach Ache Relief**3%

*“they were making my stomach hurt”*

**Regulates Digestion**3%

*“this does not help my acid reflux at all”*

### **Top return reasons **

**Advertised Vs Actual Product**27%

**Functionality-Overall**23%

**Ingredients-Overall**19%

**Smell**14%

**Texture/Consistency-Overall**5%

**Product Condition**2%

**Dilute/Watery**2%

**Moist/Dry**2%

**Size-Overall**2%

**Defective Material/Parts**2%