cimetidine
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible21.5%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.0%return rate — above 6% kills the launch gate
Avg price
Great$16.23avg listing price — sweet spot $15–$100
Market size
Good$675K$675K/yr · 193K searches
Price range
Okay$8.30–$20.83cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+0.8%90-day search growth — must beat 0% to launch
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad7,034avg incumbent reviews — the moat a new listing must climb
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
2 flat
Sellers
30
Top-5 brand share
100%
Open market
0%
- Tagamet69%
- Amazon Basic Care31%
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 4 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Amazon Basic Care Cimetidine Coated Tablets 200 mg Acid Reducer Heartburn Medicine Acid Indigestion Relief 120 Count
Amazon Basic Care$17.734.7★1,343 rev

Tagamet HB 200 mg Cimetidine Acid Reducer and Heartburn Relief Relieves and Prevents Indigestion 30 Count
Tagamet$8.304.6★8,931 rev

Tagamet HB 200 mg Cimetidine Acid Reducer and Heartburn Relief Relieves and Prevents Indigestion 70 Count
Tagamet$18.074.6★8,931 rev

Tagamet HB 200 mg Cimetidine Acid Reducer and Heartburn Relief Relieves and Prevents Indigestion 70 Count
Tagamet$20.834.6★8,931 rev
Newest
by launch date
Amazon Basic Care Cimetidine Coated Tablets 200 mg Acid Reducer Heartburn Medicine Acid Indigestion Relief 120 Count
Amazon Basic Care$17.731,343 rev

Tagamet HB 200 mg Cimetidine Acid Reducer and Heartburn Relief Relieves and Prevents Indigestion 70 Count
Tagamet$20.838,931 rev

Tagamet HB 200 mg Cimetidine Acid Reducer and Heartburn Relief Relieves and Prevents Indigestion 70 Count
Tagamet$18.078,931 rev

Tagamet HB 200 mg Cimetidine Acid Reducer and Heartburn Relief Relieves and Prevents Indigestion 30 Count
Tagamet$8.308,931 rev
Trending
90-day click momentum
Tagamet HB 200 mg Cimetidine Acid Reducer and Heartburn Relief Relieves and Prevents Indigestion 30 Count
Tagamet$8.304.6★

Amazon Basic Care Cimetidine Coated Tablets 200 mg Acid Reducer Heartburn Medicine Acid Indigestion Relief 120 Count
Amazon Basic Care$17.734.7★

Tagamet HB 200 mg Cimetidine Acid Reducer and Heartburn Relief Relieves and Prevents Indigestion 70 Count
Tagamet$18.074.6★

Tagamet HB 200 mg Cimetidine Acid Reducer and Heartburn Relief Relieves and Prevents Indigestion 70 Count
Tagamet$20.834.6★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +0.8% search growth over the last 90 days.Peak months: Feb · busiest ÷ quietest = 2.0×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Very effective”
“No heartburn”
“JUST AS GOOD AS THE NAME BRAND FOR A 1/3 OF THE PRICE”
“Good off brand choice”
“Its a wonder drug for the stomach”
“calms that burning feeling without making me feel weird or sleepy”
“Great For Overall Stomach Problems”
“is very helpful”
What buyers complain about
“This OTC has no smell”
“expensive”
“Does not work”
“Heartburn galore”
“made my stomach very upset”