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55

melatonin 3mg

Worth a look

Shows searches that convert (22.4% search→purchase), but a deep review moat (9,358 avg reviews) keeps it on the watch list.

Market size 92Growth 24Conversion 100Competition 33Returns 100Price range 72Avg price 43Brand share 35Review moat 22Quality gap 23

Conversion

Incredible22.4%

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

Returns

Incredible0.0%

return rate — above 6% kills the launch gate

Market size

Great$1.8M

$1.8M/yr · 727K searches

Price range

Good$6.21–$37.39

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

Avg price

Okay$11.13

avg listing price — sweet spot $15–$100

Brand share

Okay84%

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

Competition

Okay65%

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

Growth

Bad-2.5%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad9,358.39

avg incumbent reviews — the moat a new listing must climb

Competition

The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 rising

Sellers

609

Top-5 brand share

84%

Open market

12%

  • Nature's Bounty34%
  • Natrol21%
  • Nature Made18%
  • Pure Encapsulations6%
  • NOW Foods4%
  • Amazon Elements4%
  • Open — no brand owns it (5 brands, 12%)

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%$181K20%$362K30%$543K40%$724K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -2.5% search growth over the last 90 days.
18K13KPrime Day '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Reviews

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

What buyers love

Sleep Quality32%

“I fall asleep easily”

Quality-Overall10%

“This brand had great reviews”

Taste-Overall7%

“Good taste thus easy to use”

Dosage7%

“Right dosage for me”

Efficiency6%

“It is very effective”

Value For Money6%

“GREAT price”

Advertised Vs Actual Product5%

“As advertised”

Flavor3%

“Pleasant flavor”

Solubility3%

“Dissolve easily”

Ease Of Use2%

“Convenient for travel or nightly use”

What buyers complain about

Sleep Quality21%

“didnt help sleep”

Functionality-Overall16%

“Doesn't work on me”

Dosage6%

“Low dose 1mg”

Ease Of Use4%

“They still work just not easy to use”

Side Effects3%

“medication effect”

Taste-Overall3%

“it does leave a slight aftertaste that I wasn't a big fan of”

Moist/Dry2%

“Dried out”

Flavor2%

“The new cherry flavor is disgusting”

Artificial Sweeteners2%

“then again he uses so much artificial sweetener that his morning coffee tastes like ant poison”

Smell2%

“They smell awful”

Top return reasons

Functionality-Overall15%
Ease Of Use15%
Sleep Quality13%
Flavor10%
Value For Money10%
Dosage10%
Solubility8%
Ingredients-Overall5%
Age Suitability5%
Magnesium5%