---
title: "Famotidine 40 Mg — $2.9M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/famotidine-40-mg"
last_updated: "2026-08-10T07:48:51.353Z"
locale: en
meta:
description: "Niche score 47/100 · $2.9M/yr market · 1.2M searches/yr · $9.71 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $2.9M/yr market · 1.2M searches/yr · $9.71 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Famotidine 40 Mg — $2.9M/yr Amazon US Niche (2026) - Flapen"
---
# **famotidine 40 mg**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 96Growth 38Conversion 100Competition 15Returns 100Price range 5Avg price 31Brand share 0Review moat 16Quality gap 17
**Conversion**
**Incredible****25.7%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Market size**
**Incredible****$2.9M**
$2.9M/yr · 1.2M searches
**Growth**
**Okay****+10.6%**
90-day search growth — must beat 0% to launch
**Avg price**
**Okay****$9.71**
avg listing price — sweet spot $15–$100
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****19,795.1**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****83%**
top-5 click share — a locked-up shelf
**Price range**
**Bad****$5.21–$15.51**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, famotidine 40 mg is a $2.9M/yr Amazon United States market (1.2M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Oct–Nov–Dec. Verdict: Skip it — 47/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **famotidine 40 mg market data**
- **Units sold / yr**
- **300K–400K**
- avg 25,000–30,000/product
- **Revenue / yr**
- **$2.9M–$3.9M**
- units × avg price
- **Conversion rate**
- **25.7%**
- **Avg BSR**
- **#57**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **90%**
- **Out of stock**
- **5.6%**
- **Avg brand age**
- **93 months**
- **Avg seller age**
- **162 days**
## **Competition & brand share**
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**25**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**83%**
Top 20: 100%
**Open market**
**0%**
- Amazon Basic Care50% - Glenmark Therapeutics26% - CAMBER PHARMACEUTICALS, INC14% - HealthA2Z6% - Curist5% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +10.6% search growth over the last 90 days.
50K30KSpike '24Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug, Oct, Nov, Dec · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/health-household/famotidine-40-mg/trend)
## **Top famotidine 40 mg search terms**
- **famotidine 20mg**532K/yr+11.8%24.8% conv. - **famotidine**357K/yr+13.4%17.5% conv. - **famotidine 40mg tablets**102K/yr+7.9%18.9% conv. - **famotidine 20mg tablets**54K/yr+2.5%25.4% conv. - **acid reducer famotidine 20 mg**27K/yr+5.5%24.8% conv. - **famotidine 20 mg**18K/yr+8.5%20.2% conv. - **famotidine 40mg**21K/yr-5.5%11.5% conv. - **famotadine**9K/yr+28.1%17.1% conv. - **famotidine 20mg tablets 200 count**4K/yr+95.6%26.7% conv. - **acid controller famotidine 20mg**5K/yr+11.7%22.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/famotidine-40-mg/search-terms)
## **Top famotidine 40 mg 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%10%$289K20%$578K30%$868K40%$1.2M1K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 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 Heartburn 400 Count Pack**Amazon Basic Care**$15.51**4.7★54,405 rev](https://www.amazon.com/dp/B09NBQ58R5) [2**Glenmark Therapeutics Maximum Strength Famotidine Tablets 20 mg Acid Reducer for Heartburn Relief 200 Count**Glenmark Therapeutics**$8.41**4.8★11,102 rev](https://www.amazon.com/dp/B098BBJRC6) [3**Camber Famotidine Tablets 20 mg Maximum Strength Acid Reducer 500ct Family Pack**CAMBER PHARMACEUTICALS, INC**$15.03**4.8★1,236 rev](https://www.amazon.com/dp/B0BZ6GCRNJ) [4**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) [5**Amazon Basic Care Maximum Strength Famotidine 20mg Tablets Acid Reducer Prevents & Relieves Heartburn Acid Indigestion Cool Mint 100 Count**Amazon Basic Care**$8.19**4.7★1,146 rev](https://www.amazon.com/dp/B09NBQBNB8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**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) [**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**54,405 rev1y ago](https://www.amazon.com/dp/B074F18H4B) [**Curist Famotidine 20mg Bulk Pack (300 Count Tablets) Acid Reflux Medicine for Heartburn Relief - OTC Maximum Strength Stomach Acid Reducer - Anti Acid Relief Tablets for Indigestion Heartburn Relief**Curist**$9.68**2,024 rev2y ago](https://www.amazon.com/dp/B0CZF6Q2PG) [**Glenmark Therapeutics Maximum Strength Famotidine Tablets 20 mg Acid Reducer for Heartburn Relief 100 Count**Glenmark Therapeutics**$5.52**11,102 rev2y ago](https://www.amazon.com/dp/B0DJFWMTRD) [**HealthA2Z Acid Reducer | Famotidine 20mg | Maximum Strength | Relief from Heart Burn Due to Acid Indigestion (225 Tablets (Pack of 1))**HealthA2Z**$8.81**4,063 rev2y ago](https://www.amazon.com/dp/B0CLF1QNYP)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Amazon Basic Care Maximum Strength Famotidine 20mg Tablets Acid Reducer Prevents & Relieves Heartburn Acid Indigestion Cool Mint 100 Count**Amazon Basic Care**$8.19**4.7★**▲ 93%**](https://www.amazon.com/dp/B09NBQBNB8) [**Amazon Basic Care Maximum Strength Famotidine Tablets 20 mg Acid Reducer for Heartburn Relief Prevents & Relieves Acid Indigestion Heartburn Medicine 50 Count**Amazon Basic Care**$5.21**4.7★**▲ 43%**](https://www.amazon.com/dp/B08ZF5KVCN) [**Glenmark Therapeutics Maximum Strength Famotidine Tablets 20 mg Acid Reducer for Heartburn Relief 100 Count**Glenmark Therapeutics**$5.52**4.8★**▲ 21%**](https://www.amazon.com/dp/B0DJFWMTRD) [**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★**▲ 13%**](https://www.amazon.com/dp/B0DK9T9JWD) [**HealthA2Z Acid Reducer | Famotidine 20mg | Maximum Strength | Relief from Heart Burn Due to Acid Indigestion (225 Tablets (Pack of 1))**HealthA2Z**$8.81**4.7★**▲ 12%**](https://www.amazon.com/dp/B0CLF1QNYP)
**~~View all trending →~~**
## **What buyers say about famotidine 40 mg**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**27%
*“Fair price”*
**Efficiency**13%
*“WORKS WELL”*
**Advertised Vs Actual Product**12%
*“Accurate description”*
**Quality-Overall**11%
*“Great productb”*
**Heart Health**6%
*“Great for temporary heartburn”*
**Regulates Digestion**5%
*“This helps my digestion”*
**Acid Regulator/Stomach Ache Relief**4%
*“Great stomach relief”*
**Dosage**4%
*“Works as well as any prescription meds Ive ever taken”*
**Ease Of Chewing/Swallowing**3%
*“Incredibly small and very easy to swallow, which is a huge plus compared to those giant chalky antacids”*
**Ease Of Use**1%
*“Easy to use”*
### **What buyers complain about **
**Functionality-Overall**17%
*“DID NOT WORK”*
**Size-Overall**9%
*“The capsules are a bit larger”*
**Dosage**9%
*“sometimes had to double the dose”*
**Heart Health**7%
*“Heartburn”*
**Quality-Overall**6%
*“Low quality product or just plain missing the active ingredients”*
**Value For Money**6%
*“Waste of money”*
**Regulates Digestion**5%
*“Acid reflux”*
**Strength**3%
*“Doesn't seem maximum strength”*
**Ingredients-Overall**3%
*“these are not as effective as pepcid”*
**Acid Regulator/Stomach Ache Relief**3%
*“they were making my stomach hurt”*
## **Common questions**
- **Is famotidine 40 mg profitable to sell on Amazon United States?**
- The niche generates $2.9M/yr across 10 tracked products. 90-day search growth is +10.6%. Flapen's verdict: Skip it (47/100).
- **How competitive is the famotidine 40 mg niche?**
- 5 brands and 25 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in famotidine 40 mg?**
- Top complaints mined from reviews: Functionality-Overall, Size-Overall, Dosage. The return rate is 0.0%.
- **When does demand for famotidine 40 mg peak?**
- Demand peaks in Aug–Oct–Nov–Dec; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the famotidine 40 mg niche?**
- Listings span $5.21–$15.51; the average listing price is $9.71 (sweet spot $15–$100). The average incumbent carries 19,795 reviews — the moat a new listing must climb.
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