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58

gaviscon advance

Launch it

A $6.7M/yr market growing +3.4% this quarter with returns at 0.0% — clears our launch bar.

Market size 99Growth 29Conversion 97Competition 19Returns 100Price range 87Avg price 95Brand share 0Review moat 47Quality gap 47

Returns

Incredible0.0%

return rate — above 6% kills the launch gate

Market size

Incredible$6.7M

$6.7M/yr · 1.4M searches

Conversion

Incredible14.6%

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

Avg price

Incredible$33.23

avg listing price — sweet spot $15–$100

Price range

Great$8.86–$67.39

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Okay1,770.15

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+3.4%

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

Competition

Bad78%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 rising

Sellers

49

Top-5 brand share

100%

Open market

0%

  • Gaviscon74%
  • Generic20%
  • VERBASA CONFEC4%
  • RefluxRaft2%
  • Open — no brand owns it (0%)

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%$670K20%$1.3M30%$2.0M40%$2.7M1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +3.4% search growth over the last 90 days.
35K25KSpike '24Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar · busiest ÷ quietest = 2.2×

Reviews

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

What buyers love

Regulates Digestion15%

“stops indigestion immediately”

Quality-Overall11%

“GOOD PRODUCT GOOD SELLER”

Efficiency10%

“It does work”

Acid Regulator/Stomach Ache Relief10%

“Really helps with my acid reflux”

Heart Health9%

“no heart burn”

Taste-Overall6%

“Tastes great and works as stated”

Value For Money4%

“The price is amazing”

Advertised Vs Actual Product4%

“AS ADVERTISED”

Flavor4%

“Good flavor choices”

Cough Relief2%

“Great relief when my throat”

What buyers complain about

Taste-Overall16%

“The taste is gross”

Value For Money9%

“Overpriced”

Functionality-Overall9%

“Didnt work”

Regulates Digestion7%

“Acid Reflux Product does not work”

Acid Regulator/Stomach Ache Relief6%

“gave me stomach cramps”

Flavor6%

“I do not like the Lemon Ginger flavor at all”

Ease Of Chewing/Swallowing3%

“Cant swallow”

Thickness3%

“The texture is thick”

Heart Health2%

“I was having very bad heartburn”

Advertised Vs Actual Product2%

“This is deceptive”

Top return reasons

Leak-Proof60%
Value For Money20%
Advertised Vs Actual Product20%