acid controller
Launch itA $8.9M/yr market growing +37.4% this quarter with returns at 0.0% — clears our launch bar.
Market size
Incredible$8.9M$8.9M/yr · 2.5M searches
Conversion
Incredible24.1%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.0%return rate — above 6% kills the launch gate
Avg price
Great$15.05avg listing price — sweet spot $15–$100
Growth
Good+37.4%90-day search growth — must beat 0% to launch
Price range
Good$5.21–$26.20cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Bad76%top-5 click share — a locked-up shelf
Review moat
Bad16,306.19avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 flat
Sellers
129
Top-5 brand share
100%
Open market
0%
- Pepcid63%
- Amazon Basic Care33%
- HealthA2Z2%
- Glenmark Therapeutics2%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 16 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 Acid Indigestion Heartburn Medicine 12 Hour Protection 200 Count
Amazon Basic Care$10.314.7★54,405 rev
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
Pepcid$11.004.8★21,683 rev
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
Pepcid$23.514.8★21,683 rev
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
Pepcid$21.654.8★6,293 rev
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★54,405 rev
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
Pepcid$26.2015,231 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
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
Pepcid$15.37886 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
Glenmark Therapeutics Maximum Strength Famotidine Tablets 20 mg Acid Reducer for Heartburn Relief 200 Count
Glenmark Therapeutics$8.4111,102 rev
Trending
90-day click momentumAmazon 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★
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
Pepcid$23.514.8★
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
Pepcid$19.164.8★
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
Pepcid$11.274.8★
HealthA2Z Acid Reducer | Famotidine 20mg | Maximum Strength | Relief from Heart Burn Due to Acid Indigestion (225 Tablets (Pack of 1))
HealthA2Z$8.814.7★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +37.4% search growth over the last 90 days.Peak months: Jan, Feb, Mar, Apr, May, Jun · busiest ÷ quietest = 158.6×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Great deal”
“Works well”
“How about this so many times and the quality is wonderful wonderful and very consistent”
“Accurate description”
“It is good for a surprise heart burn”
“No tummy ache for me”
“Excellent acid control”
“Great product, no nasty taste, easy to swallow”
“Purchased several and have been very happy with medication”
“Very effective and easy to chew”
What buyers complain about
“DOESN'T WORK”
“Seems low dosage”
“Huge price increase”
“then I experienced severe heartburn 4 days in a row”
“They're tiny little square shaped”
“this does not help my acid reflux at all”
“Taste is gross”
“not quality”
“Doesn't seem maximum strength”
“when I get heartburn”