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simethicone

Worth a look

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 91Growth 25Conversion 97Competition 51Returns 100Price range 44Avg price 39Brand share 41Review moat 24Quality gap 28

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible15.1%

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

Market size

Great$1.8M

$1.8M/yr · 1.1M searches

Competition

Good54%

top-5 click share — leaders hold, buyers still browse

Price range

Okay$2.84–$24.43

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

Brand share

Okay80%

top-5 brand share — brands hold most of the demand

Avg price

Okay$10.69

avg listing price — sweet spot $15–$100

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-0.4%

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

Review moat

Bad5,403.07

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, simethicone is a $1.8M/yr Amazon United States market (1.1M searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Jan–Feb–Jun. Verdict: Worth a look — 57/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

simethicone market data

Units sold / yr
150K–200K
avg 6,000–8,000/product
Revenue / yr
$1.6M–$2.1M
units × avg price
Conversion rate
15.1%
Avg BSR
#40
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.0%
Avg brand age
96 months
Avg seller age
142 days

Competition & brand share

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 falling

Sellers

88

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

54%

Top 20: 91%

Open market

15%

  • HealthA2Z29%
  • Amazon Basic Care22%
  • Gas-X19%
  • Phazyme6%
  • P Puregen Labs5%
  • GenCare5%
  • Open — no brand owns it (8 brands, 15%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -0.4% search growth over the last 90 days.
25K15KSpike '25SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Jun · busiest ÷ quietest = 2.1×

Top simethicone search terms

  • simethicone306K/yr
  • gas relief250K/yr
  • gas relief for adults231K/yr
  • gas pills78K/yr
  • anti gas33K/yr
  • abdominal gas relief13K/yr
  • simethicone 500mg19K/yr
  • gas medicine for adult22K/yr
  • gas pills maximum strength19K/yr
  • simeticona para gases adultos23K/yr
All search terms

Top simethicone products on Amazon

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

0%5%$90K10%$180K15%$270K20%$360K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about simethicone

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

What buyers love

Efficiency16%

“Works ok”

Value For Money11%

“Cost effective”

Quality-Overall9%

“Ive purchased multiple times and the quality is always great and consistent”

Advertised Vs Actual Product7%

“Accurate description”

Acid Regulator/Stomach Ache Relief7%

“Work well for stomach issues”

Regulates Digestion7%

“It stops indigestion in its tracks”

Taste-Overall5%

“pleasant mild taste”

Ease Of Chewing/Swallowing5%

“Chewable”

Ease Of Use4%

“Easy to Use”

Dosage2%

“The dose is effective”

What buyers complain about

Functionality-Overall23%

“Not effective”

Taste-Overall7%

“Taste awful”

Value For Money5%

“They are expensive”

Acid Regulator/Stomach Ache Relief4%

“sometimes my stomach gets really bloated”

Pain Relief-Overall3%

“It even hurts a lot”

Regulates Digestion3%

“I have digestive issues”

Dosage3%

“Higher dose than I normally buy”

Quality-Overall2%

“Absolute garbage”

Side Effects2%

“developed some severe side effects”

Ingredients-Overall2%

“The main thing about these softgels that I don't like is the use of artificial food dyes”

Top return reasons

Functionality-Overall38%
Soft Feel13%
Value For Money8%
Dosage6%
Joint Pain5%
Ease Of Chewing/Swallowing4%
Product Condition4%
Smell4%
Color4%
Comfort-Overall4%

Common questions

Is simethicone profitable to sell on Amazon United States?
The niche generates $1.8M/yr across 28 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is -0.4%. Flapen's verdict: Worth a look (57/100).
How competitive is the simethicone niche?
14 brands and 88 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 80% of demand.
What do buyers complain about in simethicone?
Top complaints mined from reviews: Functionality-Overall, Taste-Overall, Value For Money. The return rate is 0.0%.
When does demand for simethicone peak?
Demand peaks in Jan–Feb–Jun; the busiest month runs 2.1× the quietest.
What does it cost to enter the simethicone niche?
Listings span $2.84–$24.43; the average listing price is $10.69 (sweet spot $15–$100). The average incumbent carries 5,403 reviews — the moat a new listing must climb.