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gaviscon double action

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

Market size 23Growth 15Conversion 80Competition 5Returns 100Price range 83Avg price 95Brand share 0Review moat 39Quality gap 35

Returns

Incredible0.0%

return rate — above 6% kills the launch gate

Avg price

Incredible$26.61

avg listing price — sweet spot $15–$100

Price range

Great$8.86–$49.09

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

Conversion

Great8.2%

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

Review moat

Okay2,643.29

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Bad$91K

$91K/yr · 41K searches

Growth

Bad-19.7%

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

Competition

Bad93%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 flat

Sellers

33

Top-5 brand share

100%

Open market

0%

  • Gaviscon64%
  • Generic22%
  • SUSTERNA14%

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%15%$14K30%$27K45%$41K60%$54K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 7 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 44 weeks — -19.7% search growth over the last 90 days.
1K750Spike '25Sep '25Oct '25Dec '25Feb '26Mar '26May '26

Reviews

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

What buyers love

Heart Health15%

“They work exceptionally well- near immediate relief from heartburn”

Efficiency11%

“works very fast”

Acid Regulator/Stomach Ache Relief10%

“It soothes the acid pretty well”

Regulates Digestion10%

“Effective for GERD”

Quality-Overall10%

“GOOD PRODUCT GOOD SELLER”

Taste-Overall6%

“Tastes great and works as stated”

Advertised Vs Actual Product6%

“As advertised”

Value For Money5%

“The price is amazing”

Flavor3%

“compared the flavor to a chalky sugar cookie”

Cough Relief3%

“This combination tremendously settles down the very uncomfortable throat tickle and cough”

What buyers complain about

Taste-Overall22%

“the taste is awwwfull”

Flavor10%

“The cherry flavor isnt tasty”

Functionality-Overall8%

“Doesnt work”

Value For Money7%

“that has become super expensive so he switched to these tablets”

Regulates Digestion6%

“My son suffers from horrible GERD”

Heart Health6%

“I was having very bad heartburn”

Ease Of Chewing/Swallowing4%

“Cant swallow”

Measurement/Reading Accuracy3%

“does not include any way for you to measure it”

Acid Regulator/Stomach Ache Relief3%

“discouragingly horrible acid reflux”

Quality-Overall3%

“Not so good”