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sea band nausea relief

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

Market size 16Growth 19Conversion 89Competition 0Returns 100Price range 16Avg price 31Brand share 0Review moat 16Quality gap 80

Returns

Incredible0.1%

return rate — above 6% kills the launch gate

Conversion

Great10.5%

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

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Avg price

Okay$9.70

avg listing price — sweet spot $15–$100

Growth

Bad-11.9%

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

Market size

Bad$66K

$66K/yr · 65K searches

Review moat

Bad19,685.75

avg incumbent reviews — the moat a new listing must climb

Price range

Bad$5.86–$16.73

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

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Competition

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

Brands

3 falling

Sellers

31

Top-5 brand share

100%

Open market

0%

  • Sea-Band87%
  • LYJEE6%
  • Hionfurt6%
  • 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%20%$13K40%$26K60%$39K80%$52K1K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 4 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 91 weeks — -11.9% search growth over the last 90 days.
2K2KSpike '25Prime Day '25Spike '26NovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

No pronounced peak months · busiest ÷ quietest = 1.5×

Reviews

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

What buyers love

Efficiency17%

“effective”

Quality-Overall12%

“Excellent quality”

Ease Of Use8%

“Easy to use”

Comfort-Overall7%

“comfortable”

Value For Money7%

“Worth it”

Muscle Pain Relief6%

“Great solution for motion sickness with out drugs”

Advertised Vs Actual Product4%

“Works as advertised”

Sinus Relief4%

“Most definitely better than being nauseous all day long”

Stretchability/Expandability/Elasticity3%

“They hold their elasticity well”

Acid Regulator/Stomach Ache Relief2%

“No nausea, no vomiting — nothing at all”

What buyers complain about

Size-Overall30%

“Too small”

Functionality-Overall24%

“This band does not work”

Pain Relief-Overall10%

“painful on the wrists”

Comfort-Overall6%

“Uncomfortable”

Allergies4%

“My child usually gets very carsick — nausea”

Stretchability/Expandability/Elasticity3%

“Only negative is that the elastic does wear out after a few years”

Stress/Anxiety3%

“Sadly did not help for dizziness”

Side Effects2%

“Did not help nausea from surgery”

Durability1%

“They last about a month maybe a little bit more”

Ease Of Wearing1%

“I can't wear it”

Top return reasons

Functionality-Overall34%
Size-Overall27%
Color11%
Advertised Vs Actual Product8%
Joint Pain4%
Comfort-Overall3%
Quality-Overall3%
Touch/Button Controls3%
Value For Money3%
Product Condition3%