---
title: "antacid — Niche Verdict: Skip it (49/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/health-household/antacid"
last_updated: "2026-07-14T05:12:35.594Z"
locale: en
meta:
  description: "brand-locked demand (top 5 brands take 93% of clicks) — antacid doesn't clear our bar today."
  "og:description": "brand-locked demand (top 5 brands take 93% of clicks) — antacid doesn't clear our bar today."
  "og:title": "antacid — Niche Verdict: Skip it (49/100) | Amazon United States - Flapen"
---

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# **antacid**

**Skip it**

Brand-locked demand (top 5 brands take 93% of clicks) — this niche doesn't clear our bar today.

Market size 72Growth 23Conversion 99Competition 35Returns 100Price range 57Avg price 34Brand share 17Review moat 24Quality gap 18

**Returns**

**Incredible****0.0%**

return rate — above 6% kills the launch gate

**Conversion**

**Incredible****18.2%**

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

**Market size**

**Good****$784K**

$784K/yr · 428K searches

**Price range**

**Good****$5.18–$28.12**

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

**Competition**

**Okay****64%**

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

**Avg price**

**Okay****$10.05**

avg listing price — sweet spot $15–$100

**Review moat**

**Bad****5,019.89**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-4.6%**

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

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Bad****93%**

top-5 brand share — brand-locked demand

## **Competition**

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**8 **▼falling

**Sellers**

**115**

**Top-5 brand share**

**93%**

**Open market**

**3%**

- Amazon Basic Care35% - TUMS26% - berkley jensen15% - MAJOR13% - RUGBY LABORATORIES5% - KIRKLAND3% - Open — no brand owns it (2 brands, 3%)

## **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%10%$78K20%$157K30%$235K40%$314K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 19 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Amazon Basic Care Chewy Bites Chewable Antacid Tablets Ultra Strength Heartburn Relief Acid Indigestion Upset & Sour Stomach Fast-Acting Assorted Fruit Flavors 90 Count](https://m.media-amazon.com/images/I/41pr9WDm1TL.jpg)**Amazon Basic Care Chewy Bites Chewable Antacid Tablets Ultra Strength Heartburn Relief Acid Indigestion Upset & Sour Stomach Fast-Acting Assorted Fruit Flavors 90 Count**Amazon Basic Care**$8.97**4.6★5,809 rev](https://www.amazon.com/dp/B094WDVB18) [2![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★1,381 rev](https://www.amazon.com/dp/B0GJN28LBP) [3![TUMS Ultra Strength Chewable Antacid Tablets for Heartburn Relief and Acid Indigestion Relief Assorted Berries - 160 Count](https://m.media-amazon.com/images/I/415qzkEMhtL.jpg)**TUMS Ultra Strength Chewable Antacid Tablets for Heartburn Relief and Acid Indigestion Relief Assorted Berries - 160 Count**TUMS**$9.85**4.8★7,542 rev](https://www.amazon.com/dp/B001IAPXSA) [4![MAJOR Regular Strength Antacid Tablets - Calcium Carbonate 500 mg - Assorted Fruit Flavor - 150 Chewable Count (2 Pack)](https://m.media-amazon.com/images/I/41CRrLOgNRL.jpg)**MAJOR Regular Strength Antacid Tablets - Calcium Carbonate 500 mg - Assorted Fruit Flavor - 150 Chewable Count (2 Pack)**MAJOR**$10.01**4.6★881 rev](https://www.amazon.com/dp/B01M07E78O) [5![Amazon Basic Care Heartburn & Gas SuperChews Chewable Tablets Fast-Acting Relief Mixed Berry 82 Count (Previously SoundHealth)](https://m.media-amazon.com/images/I/41OVO52OQwL.jpg)**Amazon Basic Care Heartburn & Gas SuperChews Chewable Tablets Fast-Acting Relief Mixed Berry 82 Count (Previously SoundHealth)**Amazon Basic Care**$8.17**4.6★6,709 rev](https://www.amazon.com/dp/B095CN18CZ)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![TUMS Smoothies Chewable Antacid Tablets for Extra Strength Heartburn Relief Mixed Berry - 236 Count](https://m.media-amazon.com/images/I/41LEiy-THlL.jpg)**TUMS Smoothies Chewable Antacid Tablets for Extra Strength Heartburn Relief Mixed Berry - 236 Count**TUMS**$14.70**173 rev2mo ago](https://www.amazon.com/dp/B0GTVZ475B) [![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) [![Quality Choice Ultra Strength Antacid Tablets Heartburn and Acid Indigestion Relief Calcium Carbonate 1000 mg Berry Flavored Chewable Tablets 72 Count](https://m.media-amazon.com/images/I/41EiYEIz-KL.jpg)**Quality Choice Ultra Strength Antacid Tablets Heartburn and Acid Indigestion Relief Calcium Carbonate 1000 mg Berry Flavored Chewable Tablets 72 Count**Quality Choice**$7.66**779 rev3y ago](https://www.amazon.com/dp/B0C3SFZ5K8) [![TUMS Chewy Bites Chewable Antacid Tablets for Ultra Strength Heartburn Relief Mixed Fruit - 200 Count](https://m.media-amazon.com/images/I/41eYm0uCxQL.jpg)**TUMS Chewy Bites Chewable Antacid Tablets for Ultra Strength Heartburn Relief Mixed Fruit - 200 Count**TUMS**$28.12**4,819 rev3y ago](https://www.amazon.com/dp/B0B82S3ZG6) [![Amazon Basic Care Heartburn & Gas SuperChews Chewable Tablets Fast-Acting Relief Mixed Berry 82 Count (Previously SoundHealth)](https://m.media-amazon.com/images/I/41OVO52OQwL.jpg)**Amazon Basic Care Heartburn & Gas SuperChews Chewable Tablets Fast-Acting Relief Mixed Berry 82 Count (Previously SoundHealth)**Amazon Basic Care**$8.17**6,709 rev4y ago](https://www.amazon.com/dp/B095CN18CZ)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![TUMS Smoothies Chewable Antacid Tablets for Extra Strength Heartburn Relief Mixed Berry - 236 Count](https://m.media-amazon.com/images/I/41LEiy-THlL.jpg)**TUMS Smoothies Chewable Antacid Tablets for Extra Strength Heartburn Relief Mixed Berry - 236 Count**TUMS**$14.70**4.8★**▲ 252%**](https://www.amazon.com/dp/B0GTVZ475B) [![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★**▲ 216%**](https://www.amazon.com/dp/B0GJN28LBP) [![Major Regular Strength Antacid Tablets - Calcium Carbonate 500 mg - Assorted Fruit Flavor - 150 Chewable Count (1 Pack)](https://m.media-amazon.com/images/I/31auUadytrL.jpg)**Major Regular Strength Antacid Tablets - Calcium Carbonate 500 mg - Assorted Fruit Flavor - 150 Chewable Count (1 Pack)**MAJOR**$6.64**4.6★**▲ 52%**](https://www.amazon.com/dp/B00SW0HRRE) [![MAJOR Regular Strength Antacid Tablets - Calcium Carbonate 500 mg - Assorted Fruit Flavor - 150 Chewable Count (2 Pack)](https://m.media-amazon.com/images/I/41CRrLOgNRL.jpg)**MAJOR Regular Strength Antacid Tablets - Calcium Carbonate 500 mg - Assorted Fruit Flavor - 150 Chewable Count (2 Pack)**MAJOR**$10.01**4.6★**▲ 25%**](https://www.amazon.com/dp/B01M07E78O) [![Rolaids Ultra Strength Antacid Chewable Tablets Mint 72-Count](https://m.media-amazon.com/images/I/41RVam09JcL.jpg)**Rolaids Ultra Strength Antacid Chewable Tablets Mint 72-Count**Rolaids**$8.83**4.8★**▲ 20%**](https://www.amazon.com/dp/B00E6ALET6)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -4.6% search growth over the last 90 days.

100K60KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jul, Aug · busiest ÷ quietest = 2.3×

## **Reviews**

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

### **What buyers love **

**Taste-Overall**20%

*“Taste smooth”*

**Value For Money**13%

*“Best value”*

**Heart Health**7%

*“It helps heart burn”*

**Efficiency**7%

*“Seemed to work in a satisfactory manner”*

**Quality-Overall**7%

*“Excellent product”*

**Flavor**6%

*“Best flavor”*

**Advertised Vs Actual Product**6%

*“As advertised”*

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

*“Helps with my acid reflux”*

**Ease Of Chewing/Swallowing**5%

*“Best tasting chewable”*

**Regulates Digestion**2%

*“Easy to digest”*

### **What buyers complain about **

**Taste-Overall**13%

*“Bad aftertaste”*

**Ease Of Chewing/Swallowing**9%

*“Not initially chewable”*

**Hard Feel**7%

*“Hard As Rocks”*

**Value For Money**6%

*“Not worth the price”*

**Flavor**4%

*“Horrible flavor yuck”*

**Functionality-Overall**4%

*“Didn't work for me”*

**Size-Overall**3%

*“Smaller than expected”*

**Heart Health**3%

*“Heart burn”*

**Texture/Consistency-Overall**2%

*“It's slightly chalky in texture”*

**Regulates Digestion**2%

*“gives me acid reflux”*

### **Top return reasons **

**Advertised Vs Actual Product**100%