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swell no more

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A small market ($31K/yr) — this niche doesn't clear our bar today.

Market size 8Growth 22Conversion 86Competition 11Returns 100Price range 95Avg price 94Brand share 11Review moat 47Quality gap 96

Returns

Incredible0.0%

return rate — above 6% kills the launch gate

Quality gap

Incredible3.9★

avg incumbent rating — lower means beatable quality

Price range

Incredible$15.11–$98.49

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

Avg price

Great$48.52

avg listing price — sweet spot $15–$100

Conversion

Great9.7%

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

Review moat

Okay1,816.78

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-6.3%

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

Competition

Bad86%

top-5 click share — a locked-up shelf

Brand share

Bad95%

top-5 brand share — brand-locked demand

Market size

Bad$31K

$31K/yr · 7K searches

Competition

The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 rising

Sellers

6

Top-5 brand share

95%

Open market

0%

  • swell no more81%
  • Harvest Vitality5%
  • --5%
  • Generic4%
  • Infuzix3%
  • ANDREW LESSMAN2%

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%$5K30%$9K45%$14K60%$19K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 70 weeks — -6.3% search growth over the last 90 days.
300200Spike '25Prime Day '25Spike '26MarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jul, Aug, Sep, Oct · busiest ÷ quietest = 2.9×

Reviews

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

What buyers love

Efficiency13%

“It works”

Quality-Overall11%

“Excellent product”

Value For Money11%

“a lot cheaper than ordering it from HSN”

Advertised Vs Actual Product9%

“Does exactly what it claims to do”

Inflammation5%

“I picked this up to help with occasional swelling in my feet and ankles, and so far its been a nice addition to my routine”

Joint Pain5%

“controls the ankle swelling without medications”

Solubility5%

“dissolves pretty quickly because of the powdered texture”

Ease Of Use4%

“Its easy to use, comfortable, and quickly became part of my daily routine”

Functionality-Overall4%

“This product seems to be working”

Stitch/Finish/Polish4%

“Seams to work really well”

What buyers complain about

Functionality-Overall32%

“It doesn't work for me”

Inflammation13%

“Absolutely no help with inflammation”

Side Effects8%

“they made me nauseous even though I was not taking them on a empty stomach”

Acid Regulator/Stomach Ache Relief5%

“Made venous reflux pain worse”

Oily/Greasy5%

“Snake oil”

Pain Relief-Overall4%

“it made my leg pain worse each of those nights”

Value For Money3%

“Waste of money for sure”

Smell2%

“Not only did I find the smell”

Taste-Overall2%

“My real issue is the smell and taste”

Dilute/Watery2%

“It still wouldnt completely dissolve”