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Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 48Growth 30Conversion 100Competition 3Returns 100Price range 41Avg price 44Brand share 0Review moat 24Quality gap 19

Conversion

Incredible24.2%

search→purchase rate — share of searches ending in a sale

Returns

Incredible0.0%

return rate — above 6% kills the launch gate

Market size

Okay$259K

$259K/yr · 95K searches

Avg price

Okay$11.24

avg listing price — sweet spot $15–$100

Price range

Okay$5.34–$21.65

cheapest to priciest tracked listing — scored on the share inside $15–$100

Growth

Okay+4.1%

90-day search growth — must beat 0% to launch

Review moat

Bad5,660.17

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

Bad97%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 falling

Sellers

69

Top-5 brand share

100%

Open market

0%

  • Pepcid47%
  • Amazon Basic Care40%
  • Glenmark Therapeutics8%
  • WELMATE4%

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$26K20%$52K30%$78K40%$104K1K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 6 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +4.1% search growth over the last 90 days.
2K2KSpike '24Prime Day '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.8×

Reviews

What buyers praise and complain about, mined from review topics.

What buyers love

Value For Money27%

“Not overpriced”

Efficiency15%

“Tums actually works better for me”

Quality-Overall12%

“Just as good as the name brand”

Dosage9%

“I like the lower dose that's available”

Advertised Vs Actual Product7%

“works like a charm”

Acid Regulator/Stomach Ache Relief6%

“it helps keep my stomach calm”

Regulates Digestion5%

“a lot more comfortable from not having the indigestion issues”

Size-Overall4%

“These are sized just right”

Compatibility-Overall2%

“Works with zertec”

Natural Ingredients2%

“This is just natural for dogs”

What buyers complain about

Functionality-Overall26%

“Not as effective as I would like”

Size-Overall23%

“These tablets are super tiny”

Value For Money11%

“pricey”

Acid Regulator/Stomach Ache Relief5%

“not for stomach problems”

Dosage5%

“My doctor said I can take 2 if 1 doesn't do the job”

Advertised Vs Actual Product5%

“Misleading size on the box”

Taste-Overall1%

“It has no taste”