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wintergreen antacid tablets

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A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Market size 45Growth 24Conversion 100Competition 0Returns 100Price range 0Avg price 21Brand share 0Review moat 47Quality gap 20

Conversion

Incredible26.0%

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

Returns

Incredible0.0%

return rate — above 6% kills the launch gate

Review moat

Okay1,831

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$237K

$237K/yr · 118K searches

Growth

Bad-2.7%

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

Avg price

Bad$7.70

avg listing price — sweet spot $15–$100

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Price range

Bad$5.46–$10.07

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

Competition

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 flat

Sellers

548

Top-5 brand share

100%

Open market

0%

  • TUMS82%
  • RUGBY LABORATORIES10%
  • ME GUSTA SHOP4%
  • 365 by Whole Foods Market4%

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%$36K30%$71K45%$107K60%$142K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 5 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -2.7% search growth over the last 90 days.
8K6KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Sep, Oct, Dec · busiest ÷ quietest = 2.9×

Reviews

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

What buyers love

Taste-Overall17%

“The best tasting Tums”

Value For Money12%

“Definitely worth your dollar”

Quality-Overall8%

“Just as good as the name brand”

Flavor7%

“Best flavor”

Advertised Vs Actual Product7%

“do everything they are supposed to do”

Regulates Digestion5%

“Relief from indigestion”

Calcium5%

“has a good dosage of calcium”

Acid Regulator/Stomach Ache Relief5%

“This is the best acid reflux product I have ever used”

Freshness4%

“Minty fresh”

Ease Of Chewing/Swallowing4%

“Chewable anacid peppermint”

What buyers complain about

Flavor14%

“I did not care for the peppermint flavor or these tums”

Taste-Overall13%

“Tasted nothing like last bottle i bought”

Dosage10%

“Misleading - when it says 150 tablets it means 150 micro tablets about 1/4 the size of a real Tums”

Value For Money7%

“A bit expensive”

Regulates Digestion7%

“BUT DO NOT TAKE WHILE BREASTFEEDING”

Solubility5%

“They dont dissolve very fast”

Ingredients-Overall5%

“starts behaving like an unstable chemical reactor”

Heart Health4%

“It didnt help my heartburn at all”

Hard Feel3%

“They are a little hard”

Bitter2%

“I tap the powder into my mouth before I threw the bottle away And it had a very bitter flavor so I spit it out”