---
title: "Tums 500mg — $46K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/tums-500mg"
last_updated: "2026-08-10T19:13:43.627Z"
locale: en
meta:
description: "Niche score 46/100 · $46K/yr market · 30K searches/yr · $13.28 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $46K/yr market · 30K searches/yr · $13.28 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Tums 500mg — $46K/yr Amazon US Niche (2026) - Flapen"
---
# **tums 500mg**
**Skip it**
A small market ($46K/yr) — this niche doesn't clear our bar today.
Market size 11Growth 32Conversion 92Competition 63Returns 100Price range 52Avg price 61Brand share 16Review moat 34Quality gap 20
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****11.4%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Good****47%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Good****$13.28**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$2.67–$28.12**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Okay****3,126.32**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+5.8%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
**Market size**
**Bad****$46K**
$46K/yr · 30K searches
According to Flapen's Amazon United States niche tracking, tums 500mg is a $46K/yr Amazon United States market (30K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 46/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **tums 500mg market data**
- **Units sold / yr**
- **4K–5K**
- avg 100–250/product
- **Revenue / yr**
- **$53K–$66K**
- units × avg price
- **Conversion rate**
- **11.4%**
- **Avg BSR**
- **#208**
- **Page quality**
- **0%**
- **Prime**
- **96%**
- **Sponsored**
- **56%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **89 months**
- **Avg seller age**
- **154 days**
## **Competition & brand share**
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**9 **—flat
**Sellers**
**665**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**47%**
Top 20: 94%
**Open market**
**4%**
- TUMS54% - MAJOR25% - RUGBY LABORATORIES8% - Quality Choice4% - 365 by Whole Foods Market3% - berkley jensen3% - Open — no brand owns it (3 brands, 4%)
## **Demand**
Weekly Amazon search volume, last 40 weeks — +5.8% search growth over the last 90 days.
900700Oct '25Nov '25Dec '25Feb '26Mar '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/health-household/tums-500mg/trend)
## **Top tums 500mg search terms**
- **tums bulk**9K/yr+12.7%7.3% conv. - **tums 500mg**5K/yr+37.0%12.4% conv. - **tums 500mg regular strength**5K/yr-16.0%7.5% conv. - **tums regular strength**5K/yr-8.1%11.1% conv. - **bulk tums**4K/yr+8.0%6.1% conv. - **tums 500**2K/yr-3.0%11.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/tums-500mg/search-terms)
## **Top tums 500mg products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%$2K10%$5K15%$7K20%$9K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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) [2**Major Regular Strength Antacid Tablets - Calcium Carbonate 500 mg - Assorted Fruit Flavor - 150 Chewable Count (1 Pack)**MAJOR**$6.64**4.6★881 rev](https://www.amazon.com/dp/B00SW0HRRE) [3**TUMS Ultra Strength Antacid Tablets for Chewable Heartburn Relief and Acid Indigestion Relief Assorted Berries - 12 Pack of 12 Count Rolls**TUMS**$23.09**4.6★181 rev](https://www.amazon.com/dp/B005EDUYZY) [4**Rugby Regular Strength Antacid Chewable Tablets - Made with 500 mg of Calcium Carbonate - Peppermint Flavor - 150 Count**RUGBY LABORATORIES**$6.55**4.6★1,432 rev](https://www.amazon.com/dp/B089DVND23) [5**TUMS Chewy Bites Chewable Antacid Tablets for Ultra Strength Heartburn Relief Mixed Fruit - 200 Count**TUMS**$28.12**4.7★4,819 rev](https://www.amazon.com/dp/B0B82S3ZG6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**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**berkley jensen**$9.96**1,381 rev5mo ago](https://www.amazon.com/dp/B0GJN28LBP) [**TUMS Chewy Bites Chewable Antacid Tablets for Heartburn Relief Assorted Berries 50 Count**TUMS**$19.81**117 rev7mo ago](https://www.amazon.com/dp/B0FWRBW28S) [**Alka-Seltzer Hangover Relief Tablets Fast Relief Starts in About 15 Minutes for Headaches Body Aches & Mental Fatigue Bachelorette Party & Bachelor Party Dispenser Pack 120 Count**Alka-Seltzer**$23.20**5,349 rev2y ago](https://www.amazon.com/dp/B0CLBG2Z96) [**TUMS Gummy Bites Dietary Supplement for Occasional Heartburn Relief Upset Stomach and Acid Indigestion Cherry Berry Burst - 108 Count**TUMS**$19.56**2,051 rev2y ago](https://www.amazon.com/dp/B0CMJ3C55L)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**TUMS Smoothies Chewable Antacid Tablets for Extra Strength Heartburn Relief Mixed Berry - 236 Count**TUMS**$14.70**4.8★**▲ 239%**](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**berkley jensen**$9.96**4.7★**▲ 230%**](https://www.amazon.com/dp/B0GJN28LBP) [**TUMS Chewy Bites Chewable Antacid Tablets for Heartburn Relief Assorted Berries 50 Count**TUMS**$19.81**4.7★**▲ 115%**](https://www.amazon.com/dp/B0FWRBW28S) [**MAJOR Regular Strength Antacid Tablets - Calcium Carbonate 500 mg - Assorted Fruit Flavor - 150 Chewable Count (2 Pack)**MAJOR**$10.01**4.6★**▲ 77%**](https://www.amazon.com/dp/B01M07E78O) [**365 by Whole Foods Market Antacid Regular Strength 150 Count**365 by Whole Foods Market**$3.96**4.6★**▲ 39%**](https://www.amazon.com/dp/B08JMYMD72)
**~~View all trending →~~**
## **What buyers say about tums 500mg**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Taste-Overall**19%
*“Good taste”*
**Value For Money**13%
*“Best value”*
**Advertised Vs Actual Product**8%
*“As advertised”*
**Quality-Overall**7%
*“Great quality”*
**Flavor**6%
*“Best flavor”*
**Heart Health**6%
*“they work really well for occasional heart burn”*
**Efficiency**6%
*“Does the job”*
**Ease Of Chewing/Swallowing**5%
*“not too chewy”*
**Acid Regulator/Stomach Ache Relief**5%
*“They help my stomach feel better”*
**Ease Of Use**3%
*“Ease of use”*
### **What buyers complain about **
**Taste-Overall**12%
*“Bad aftertaste”*
**Value For Money**7%
*“A bit expensive”*
**Size-Overall**7%
*“Smaller than expected”*
**Flavor**6%
*“Bland flavor”*
**Ease Of Chewing/Swallowing**4%
*“Not Chewy”*
**Functionality-Overall**3%
*“Did not work”*
**Sweetness**3%
*“So much sugar”*
**Hard Feel**3%
*“These tums are not soft”*
**Dosage**2%
*“Horrible and only 400mg per pill so the bottle was returned”*
**Texture/Consistency-Overall**2%
*“the texture is still chalky”*
### **Top return reasons **
**Advertised Vs Actual Product**100%
## **Common questions**
- **Is tums 500mg profitable to sell on Amazon United States?**
- The niche generates $46K/yr across 25 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +5.8%. Flapen's verdict: Skip it (46/100).
- **How competitive is the tums 500mg niche?**
- 9 brands and 665 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in tums 500mg?**
- Top complaints mined from reviews: Taste-Overall, Value For Money, Size-Overall. The return rate is 0.0%.
- **What does it cost to enter the tums 500mg niche?**
- Listings span $2.67–$28.12; the average listing price is $13.28 (sweet spot $15–$100). The average incumbent carries 3,126 reviews — the moat a new listing must climb.
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