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extra strength melatonin

Skip it

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

Market size 26Growth 26Conversion 97Competition 0Returns 100Price range 79Avg price 84Brand share 0Review moat 47Quality gap 45

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible15.2%

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

Avg price

Great$18.51

avg listing price — sweet spot $15–$100

Price range

Great$9.69–$36.20

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

Review moat

Okay1,765

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$109K

$109K/yr · 39K searches

Growth

Okay+0.6%

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

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, extra strength melatonin is a $109K/yr Amazon United States market (39K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Sep. Verdict: Skip it — 42/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

extra strength melatonin market data

Units sold / yr
6K–8K
avg 1,000–1,250/product
Revenue / yr
$111K–$148K
units × avg price
Conversion rate
15.2%
Avg BSR
#669
Page quality
0%
Prime
100%
Sponsored
80%
Out of stock
0.0%
Avg brand age
78 months
Avg seller age
167 days

Competition & brand share

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

Brands

4 falling

Sellers

5

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

0%

  • Carlyle55%
  • Vitamatic28%
  • Horbäach14%
  • NEVISS3%

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — +0.6% search growth over the last 90 days.
2K1KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Aug, Sep · busiest ÷ quietest = 1.7×

Top extra strength melatonin search terms

  • melatonin 40mg18K/yr
  • melatonin 40mg adult extra strength8K/yr
  • 40 mg melatonin4K/yr
  • melatonin 40 mg4K/yr
  • melatonin complex4K/yr
All search terms

Top extra strength melatonin 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%15%$16K30%$33K45%$49K60%$65K1001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 5 tracked products in this niche — three views at once, no toggling.

What buyers say about extra strength melatonin

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

What buyers love

Sleep Quality41%

“Helps me sleep”

Efficiency8%

“Effective”

Taste-Overall8%

“Great taste”

Quality-Overall7%

“It's been the best brand for my needs”

Value For Money5%

“The price is affordable”

Advertised Vs Actual Product5%

“Perfect item just as advertised”

Dosage3%

“quick dissolve & its not easy to find 40mg at such a great price & in larger quantity”

Flavor3%

“Flavor is good”

Strength3%

“more potent than the ones i've found in stores”

Ease Of Use2%

“It works and is easy to use”

What buyers complain about

Dosage19%

“DOSAGE IS WAY TOO HIGH”

Functionality-Overall17%

“Didn't work for me”

Sleep Quality17%

“didnt make me sleepy at all”

Strength6%

“No longer strong and dont work”

Taste-Overall6%

“these pills do not taste good”

Advertised Vs Actual Product3%

“deceptive”

Ingredients-Overall3%

“Ingredients: Sucralose and Dextrose, not good for your brain, and before bedtime is the worst timing”

Side Effects3%

“No effect”

Value For Money3%

“Waste of money”

Certifications2%

“This product she be removed and FDA checked”

Top return reasons

Dosage100%

Common questions

Is extra strength melatonin profitable to sell on Amazon United States?
The niche generates $109K/yr across 5 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +0.6%. Flapen's verdict: Skip it (42/100).
How competitive is the extra strength melatonin niche?
4 brands and 5 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in extra strength melatonin?
Top complaints mined from reviews: Dosage, Functionality-Overall, Sleep Quality. The return rate is 0.0%.
When does demand for extra strength melatonin peak?
Demand peaks in Aug–Sep; the busiest month runs 1.7× the quietest.
What does it cost to enter the extra strength melatonin niche?
Listings span $9.69–$36.20; the average listing price is $18.51 (sweet spot $15–$100). The average incumbent carries 1,765 reviews — the moat a new listing must climb.