acid reflux medicine
Worth a lookShows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Market size
Incredible$4.4M$4.4M/yr · 2.5M searches
Conversion
Incredible15.7%search→purchase rate — share of searches ending in a sale
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Brand share
Good74%top-5 brand share — brands hold most of the demand
Price range
Okay$3.96–$23.47cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay$11.06avg listing price — sweet spot $15–$100
Growth
Bad-0.3%90-day search growth — must beat 0% to launch
Review moat
Bad12,911.45avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, acid reflux medicine is a $4.4M/yr Amazon United States market (2.5M searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Sep. Verdict: Worth a look — 59/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
acid reflux medicine market data
- Units sold / yr
- 400K–500K
- avg 12,500–15,000/product
- Revenue / yr
- $4.4M–$5.5M
- units × avg price
- Conversion rate
- 15.7%
- Avg BSR
- #75
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 94%
- Out of stock
- 0.0%
- Avg brand age
- 87 months
- Avg seller age
- 143 days
Competition & brand share
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.Brands
18 falling
Sellers
620
Top-5 brand share
74%
Top 20: 100%
Top-5 click share
50%
Top 20: 88%
Open market
22%
- Amazon Basic Care45%
- Zantac11%
- TUMS8%
- Ohm6%
- Prilosec4%
- HealthA2Z4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -0.3% search growth over the last 90 days.Peak months: Sep · busiest ÷ quietest = 1.7×
Top acid reflux medicine search terms
- acid reflux medicine497K/yr
- antacid422K/yr
- heartburn medicine360K/yr
- acid reducer180K/yr
- antacids125K/yr
- zantac133K/yr
- heartburn110K/yr
- heartburn relief106K/yr
- antacid tablets98K/yr
- acid reflux97K/yr
Top acid reflux medicine 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 24 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
Amazon Basic Care Omeprazole Delayed Release Tablets 20 mg Treats Frequent Heartburn Acid Reducer Heartburn Medicine 42 Count (Pack of 1) (Packaging may vary)
Amazon Basic Care$8.594.7★60,288 rev
Zantac 360 Maximum Strength Tablets 50 Count Heartburn Prevention and Relief 20 mg Tablets
Zantac$15.314.8★3,692 rev
Ohm Omeprazole 20mg 42 Delayed-Release Tablets Acid Reducer for Frequent Heartburn 24-Hour Relief Heartburn Medicine Helps Relieve Stomach & Chest Discomfort (6 Weeks of Supply 42 Count)
Ohm$8.904.8★18,221 rev
Prilosec OTC Frequent Heartburn Medicine and Acid Reducer Treatment with Omeprazole Proton Pump Inhibitor - PPI 42 Tablets (20 mg)
Prilosec$21.094.7★19,716 rev
Newest
by launch date
Berkley Jensen Ultra Strength Antacid Chewable Tablets - 1000mg Calcium Carbonate for Heartburn Acid Indigestion Upset Stomach Relief - Assorted Berry Flavor - 265 Count
berkley jensen$9.961,381 rev
Nexium 24HR Acid Reducer Heartburn Relief Capsules for All-Day and All-Night Protection from Frequent Heartburn Heartburn Medicine with Esomeprazole Magnesium - 42 Count
Nexium$23.473,513 rev
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
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 momentumBerkley Jensen Ultra Strength Antacid Chewable Tablets - 1000mg Calcium Carbonate for Heartburn Acid Indigestion Upset Stomach Relief - Assorted Berry Flavor - 265 Count
berkley jensen$9.964.7★
HealthA2Z Acid Reducer | Famotidine 20mg | Maximum Strength | Relief from Heart Burn Due to Acid Indigestion (365 Tablets (Pack of 1))
HealthA2Z$10.464.7★
Nexium 24HR Acid Reducer Heartburn Relief Capsules for All-Day and All-Night Protection from Frequent Heartburn Heartburn Medicine with Esomeprazole Magnesium - 42 Count
Nexium$23.474.8★
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★
MAJOR Regular Strength Antacid Tablets - Calcium Carbonate 500 mg - Assorted Fruit Flavor - 150 Chewable Count (2 Pack)
MAJOR$10.014.6★
What buyers say about acid reflux medicine
What buyers praise and complain about, mined from review topics.What buyers love
“much cheaper”
“Works effectively”
“Excellent Product”
“its a great product for heart”
“Accurate description”
“Better Taste”
“Helps with acid reflux”
“Indigestion Relief”
“Easier to swallow”
“Great product, easy to snap in half, for customized dosing, lol”
What buyers complain about
“Works poorly”
“Chalky Taste”
“its expensive”
“I was experiencing terrible heart burn”
“Seems low dosage”
“Smaller than expected”
“Hard to swallow”
“Hard plastic tray”
“they were making my stomach hurt”
“this does not help my acid reflux at all”
Top return reasons
Common questions
- Is acid reflux medicine profitable to sell on Amazon United States?
- The niche generates $4.4M/yr across 31 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -0.3%. Flapen's verdict: Worth a look (59/100).
- How competitive is the acid reflux medicine niche?
- 18 brands and 620 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 74% of demand.
- What do buyers complain about in acid reflux medicine?
- Top complaints mined from reviews: Functionality-Overall, Taste-Overall, Value For Money. The return rate is 0.0%.
- When does demand for acid reflux medicine peak?
- Demand peaks in Sep; the busiest month runs 1.7× the quietest.
- What does it cost to enter the acid reflux medicine niche?
- Listings span $3.96–$23.47; the average listing price is $11.06 (sweet spot $15–$100). The average incumbent carries 12,911 reviews — the moat a new listing must climb.