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

Market size 10Growth 22Conversion 83Competition 18Returns 100Price range 42Avg price 53Brand share 4Review moat 17Quality gap 14

Returns

Incredible0.0%

return rate — above 6% kills the launch gate

Conversion

Great8.9%

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

Avg price

Good$12.30

avg listing price — sweet spot $15–$100

Price range

Okay$4.85–$22.38

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

Growth

Bad-5.2%

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

Competition

Bad78%

top-5 click share — a locked-up shelf

Review moat

Bad18,647.38

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.8★

avg incumbent rating — lower means beatable quality

Market size

Bad$41K

$41K/yr · 37K searches

Brand share

Bad98%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 flat

Sellers

75

Top-5 brand share

98%

Open market

0%

  • Amazon Basic Care54%
  • Excedrin24%
  • Tylenol11%
  • GenCare7%
  • GlaxoSmithKline2%
  • GoodSense2%

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%10%$4K20%$8K30%$12K40%$16K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 27 weeks — -5.2% search growth over the last 90 days.
35K25KSpike '26Jan '26Feb '26Mar '26Mar '26Apr '26May '26Jun '26

Reviews

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

What buyers love

Value For Money21%

“Great deal”

Quality-Overall18%

“Just as good as name brand”

Efficiency15%

“Effective”

Advertised Vs Actual Product9%

“AS ADVERTISED”

Ease Of Chewing/Swallowing5%

“Easily swallowed”

Ease Of Use4%

“Easy to use”

Strength4%

“Extra strength”

Dosage2%

“I find taking half a dose works well”

Ingredients-Overall2%

“this has the same exact ingredients for half the price”

Side Effects2%

“No side effects”

What buyers complain about

Functionality-Overall13%

“Ineffective”

Smell6%

“Rancid vinegar smell”

Side Effects6%

“causing serious harm side effects”

Pain Relief-Overall5%

“Doesn't Relieve Pain”

Dosage5%

“the specific battle of pills disintegrate so much faster than any other”

Acid Regulator/Stomach Ache Relief4%

“I have some stomach issues”

Inflammation4%

“I do wish it helped with inflammation as well”

Value For Money4%

“should have found something cheaper”

Color3%

“I do not like the new packaging colors”

Quality-Overall3%

“It's terrible quality control”

Top return reasons

Value For Money40%
Size-Overall30%
Side Effects10%
Dosage10%
Functionality-Overall10%