famotidine 40 mg
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible25.7%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.0%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$9.71avg listing price — sweet spot $15–$100
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Review moat
Bad19,795.1avg incumbent reviews — the moat a new listing must climb
Competition
Bad83%top-5 click share — a locked-up shelf
Price range
Bad$5.21–$15.51cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Bad100%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
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.Peak months: Aug, Oct, Nov, Dec · busiest ÷ quietest = 1.8×
Top famotidine 40 mg search terms
- famotidine 20mg532K/yr
- famotidine357K/yr
- famotidine 40mg tablets102K/yr
- famotidine 20mg tablets54K/yr
- acid reducer famotidine 20 mg27K/yr
- famotidine 20 mg18K/yr
- famotidine 40mg21K/yr
- famotadine9K/yr
- famotidine 20mg tablets 200 count4K/yr
- acid controller famotidine 20mg5K/yr
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.
All 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Amazon Basic Care Maximum Strength Famotidine Tablets 20 mg Acid Reducer for Heartburn Relief Prevents & Relieves Heartburn 400 Count Pack
Amazon Basic Care$15.514.7★54,405 rev

Glenmark Therapeutics Maximum Strength Famotidine Tablets 20 mg Acid Reducer for Heartburn Relief 200 Count
Glenmark Therapeutics$8.414.8★11,102 rev

Camber Famotidine Tablets 20 mg Maximum Strength Acid Reducer 500ct Family Pack
CAMBER PHARMACEUTICALS, INC$15.034.8★1,236 rev

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$10.314.7★54,405 rev

Amazon Basic Care Maximum Strength Famotidine 20mg Tablets Acid Reducer Prevents & Relieves Heartburn Acid Indigestion Cool Mint 100 Count
Amazon Basic Care$8.194.7★1,146 rev
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$10.464,063 rev

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$10.3154,405 rev

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$9.682,024 rev

Glenmark Therapeutics Maximum Strength Famotidine Tablets 20 mg Acid Reducer for Heartburn Relief 100 Count
Glenmark Therapeutics$5.5211,102 rev

HealthA2Z Acid Reducer | Famotidine 20mg | Maximum Strength | Relief from Heart Burn Due to Acid Indigestion (225 Tablets (Pack of 1))
HealthA2Z$8.814,063 rev
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$8.194.7★

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$5.214.7★

Glenmark Therapeutics Maximum Strength Famotidine Tablets 20 mg Acid Reducer for Heartburn Relief 100 Count
Glenmark Therapeutics$5.524.8★

HealthA2Z Acid Reducer | Famotidine 20mg | Maximum Strength | Relief from Heart Burn Due to Acid Indigestion (365 Tablets (Pack of 1))
HealthA2Z$10.464.7★

HealthA2Z Acid Reducer | Famotidine 20mg | Maximum Strength | Relief from Heart Burn Due to Acid Indigestion (225 Tablets (Pack of 1))
HealthA2Z$8.814.7★
What buyers say about famotidine 40 mg
What buyers praise and complain about, mined from review topics.What buyers love
“Fair price”
“WORKS WELL”
“Accurate description”
“Great productb”
“Great for temporary heartburn”
“This helps my digestion”
“Great stomach relief”
“Works as well as any prescription meds Ive ever taken”
“Incredibly small and very easy to swallow, which is a huge plus compared to those giant chalky antacids”
“Easy to use”
What buyers complain about
“DID NOT WORK”
“The capsules are a bit larger”
“sometimes had to double the dose”
“Heartburn”
“Low quality product or just plain missing the active ingredients”
“Waste of money”
“Acid reflux”
“Doesn't seem maximum strength”
“these are not as effective as pepcid”
“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.