Acid Controller
MaybeShoppers spend an estimated $8.9M a year here. But the top 5 brands take 100% of clicks, so Acid Controller is a Maybe.
- Flapen Score
- 56 / 100Top 21% of 14,768 Health & Household niches · +7 vs the category median of 4956
- Market size
- $8.9M/yr2.5M searches / yr
- 90-day growth
- +37.4%search demand this quarter
- Competition
- 76%top-5 click share · 4 brands · 129 sellers
Flapen Score
Acid Controller against its category
The dotted line is the Health & Household average. Past it, Acid Controller is stronger. Inside it, weaker.
Market
The Acid Controller market on Amazon at a glance
Shoppers on Amazon United States searched for Acid Controller 2.5M times last year and spent an estimated $8.9M. All 4 brands take every click. Demand peaks in Jan–Feb–Mar–Apr–May–Jun. Flapen scores it 56 out of 100, a Maybe.
01 · Demand
An estimated 24.1% of those searches ended in a purchase.
Shoppers searched for this 2.5M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 24.1% of those searches ended in a purchase. Searches in the last 90 days moved +37.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $8.9M a year.
- Searches, last 12 months
- 2.5M
- Growth, 90 days vs prior 90
- +37.4%
- Conversion, latest week
- 24.1%
- Market size, estimated
- $8.9Ma year
- Peak month
- May158.6× the quietest month
- Top search term
- pepcid1.2M searches a year
02 · Price
A sale here is worth $15.05.
Listings sell for $15.05 on average, from $5.21 to $26.20. Amazon reports units sold in ranges. This niche sold 600K to 800K a year. The average listing sells 30,000 to 40,000 of them. At $15.05 that is $452K to $602K a year per listing.
- Average price
- $15.05inside the $15 to $100 sweet spot
- Price range
- $5.21–$26.20
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 600K–800K
- Units per listing a year
- 30,000–40,000
- Revenue per listing a year
- $452K–$602K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
88% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #76 within Digestion & Nausea. It carries 16,306 reviews at 4.77 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 88%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #76in Digestion & Nausea
- Average rating
- 4.77 starsAmazon United States average 4.42 stars
- Average reviews
- 16,306per listing
- Listings tracked
- 16
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 84 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 84 months
Products
Top Acid Controller products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 11, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
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
- Price
- $10.31
- Rating
- 4.7/5
- Reviews
- 54,405
- Age
- 1y ago

Pepcid AC Maximum Strength Heartburn Relief Tablets OTC Medicine Prevents & Relieves Heartburn & Acid Reflux Due to Acid Indigestion 20mg Famotidine Acid Reducer Fast-Acting 25 ct
- Price
- $11.00
- Rating
- 4.8/5
- Reviews
- 21,683
- Age
- 13y ago

Pepcid AC Maximum Strength Heartburn Relief Tablets Famotidine 20mg Acid Reducer Fast-Acting Antacid Helps Prevent & Relieve Heartburn from Acid Indigestion Value 75 ct Bottle
- Price
- $23.51
- Rating
- 4.8/5
- Reviews
- 21,683
- Age
- 5y ago

Pepcid AC Original Strength Heartburn Relief Tablets OTC Medicine Prevents & Relieves Heartburn & Acid Reflux Due to Acid Indigestion 10mg Famotidine Acid Reducer Fast-Acting 90 ct
- Price
- $21.65
- Rating
- 4.8/5
- Reviews
- 6,293
- Age
- 21y ago

Amazon Basic Care Maximum Strength Famotidine Tablets 20 mg Acid Reducer for Heartburn Relief Prevents & Relieves Acid Indigestion Heartburn Medicine 50 Count
- Price
- $5.21
- Rating
- 4.7/5
- Reviews
- 54,405
- Age
- 4y ago
Trending
estimated 90-day click momentum
Amazon Basic Care Maximum Strength Famotidine Tablets 20 mg Acid Reducer for Heartburn Relief Prevents & Relieves Acid Indigestion Heartburn Medicine 50 Count
- Price
- $5.21
- Rating
- 4.7/5
- Reviews
- 54,405
- Age
- 4y ago

Pepcid AC Maximum Strength Heartburn Relief Tablets Famotidine 20mg Acid Reducer Fast-Acting Antacid Helps Prevent & Relieve Heartburn from Acid Indigestion Value 75 ct Bottle
- Price
- $23.51
- Rating
- 4.8/5
- Reviews
- 21,683
- Age
- 5y ago

Pepcid Complete Acid Reducer + Antacid for Acid Reflux 10mg Famotidine 800mg Calcium Carbonate & 165mg Magnesium Hydroxide per Heartburn Medicine Tablet Antacid Chews Berry 50 ct
- Price
- $19.16
- Rating
- 4.8/5
- Reviews
- 15,231
- Age
- 21y ago

Pepcid Complete Acid Reducer + Antacid for Acid Reflux 10mg Famotidine 800mg Calcium Carbonate & 165mg Magnesium Hydroxide per Heartburn Medicine Tablet Antacid Chews Mint 25 ct
- Price
- $11.27
- Rating
- 4.8/5
- Reviews
- 7,795
- Age
- 11y ago

HealthA2Z Acid Reducer | Famotidine 20mg | Maximum Strength | Relief from Heart Burn Due to Acid Indigestion (225 Tablets (Pack of 1))
- Price
- $8.81
- Rating
- 4.7/5
- Reviews
- 4,063
- Age
- 2y ago
Newest
by launch date
Pepcid Complete Acid Reducer + Antacid Chewable Tablets 10mg Famotidine 800mg Calcium Carbonate & 165mg Magnesium Hydroxide per Heartburn Medicine Tablet Antacid Chews Berry Flavored 70 ct
- Price
- $26.20
- Rating
- 4.8/5
- Reviews
- 15,231
- Age
- 1y ago

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
- Price
- $10.31
- Rating
- 4.7/5
- Reviews
- 54,405
- Age
- 1y ago

Pepcid AC Maximum Strength Heartburn Relief Tablets OTC Medicine Prevents & Relieves Heartburn & Acid Reflux Due to Acid Indigestion 20mg Famotidine Acid Reducer ICY Cool Mint 40 ct
- Price
- $15.37
- Rating
- 4.8/5
- Reviews
- 886
- Age
- 2y ago

HealthA2Z Acid Reducer | Famotidine 20mg | Maximum Strength | Relief from Heart Burn Due to Acid Indigestion (225 Tablets (Pack of 1))
- Price
- $8.81
- Rating
- 4.7/5
- Reviews
- 4,063
- Age
- 2y ago

Glenmark Therapeutics Maximum Strength Famotidine Tablets 20 mg Acid Reducer for Heartburn Relief 200 Count
- Price
- $8.41
- Rating
- 4.8/5
- Reviews
- 11,102
- Age
- 4y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 76% of clicks. A locked shelf that new listings rarely crack.
Brands
4 flat
Sellers
129
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
76%
Top 20: 100%
Open market
0%
- Pepcid63%
- Amazon Basic Care33%
- HealthA2Z2%
- Glenmark Therapeutics2%
Demand
Acid Controller search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb, Mar, Apr, May, Jun · busiest ÷ quietest = 158.6×
Search terms
Top Acid Controller search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- pepcid1.2M/yr
- pepcid ac420K/yr
- pepcid ac maximum strength594K/yr
- pepcid 20mg75K/yr
- pepsid43K/yr
- pepcid ac 20 mg34K/yr
- peocid13K/yr
- acid controller12K/yr
- generic pepcid8K/yr
- pepcid maximum strength10K/yr
Reviews and returns
What reviews say buyers love and hate about Acid Controller
We read the reviews and the return reasons for every product selling here.
“DOESN'T WORK”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Acid Controller questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









