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stomach flu

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Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.

Market size 12Growth 13Conversion 96Competition 16Returns 99Price range 19Avg price 53Brand share 5Review moat 21Quality gap 24

Returns

Incredible0.2%

return rate — above 6% kills the launch gate

Conversion

Incredible14.0%

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

Avg price

Good$12.32

avg listing price — sweet spot $15–$100

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad11,654

avg incumbent reviews — the moat a new listing must climb

Price range

Bad$6.56–$16.92

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

Competition

Bad80%

top-5 click share — a locked-up shelf

Growth

Bad-23.5%

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

Market size

Bad$47K

$47K/yr · 28K searches

Brand share

Bad98%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 rising

Sellers

580

Top-5 brand share

98%

Open market

0%

  • Boiron80%
  • Kaopectate5%
  • MARYRUTH'S5%
  • tummy drops4%
  • Genexa4%
  • Lysol2%

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%$7K30%$14K45%$21K60%$28K101001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 11 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 10 weeks — -23.5% search growth over the last 90 days.
600400May '26May '26May '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26

Reviews

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

What buyers love

Smell18%

“Clean scent”

Quality-Overall12%

“No complaints”

Efficiency7%

“Does the job well”

Ease Of Cleaning6%

“It cleans thoroughly”

Acid Regulator/Stomach Ache Relief6%

“Sick tummy relief”

Value For Money4%

“Worth it”

Ease Of Use3%

“easy to store”

Freshness3%

“Good for extra freshness”

Washability3%

“Love to use this to wash clothes and bedding, especially after everyone has just recovered from being sick”

Cleansing3%

“It cleans thoroughly”

What buyers complain about

Leak-Proof25%

“Was leaking”

Smell12%

“Why is the smell soooo strong”

Functionality-Overall5%

“Did not work for me”

Side Effects4%

“had the other uncomfortable symptoms that come with it”

Ease Of Use3%

“the TOP IS VERY VERY DIFFICULT TO GET OPEN”

Color3%

“though it does turn something a dark color”

Value For Money3%

“Its just very expensive”

Taste-Overall2%

“chalky tasting liquid or chewing up tablets”

Allergies2%

“It is not recommended for people with asthma or respiratory disorders or skin allergies”

Size-Overall2%

“They are tiny”

Top return reasons

Leak-Proof73%
Smell11%
Value For Money6%
Advertised Vs Actual Product2%
Size-Overall2%
Moist/Dry1%
Functionality-Overall1%
Compatibility-Overall1%
Product Condition1%
Contamination0%