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Melatonin

Melatonin shows low returns (0.0%), but a small market ($19K/yr) keeps it on the watch list.

Flapen Score

52
Worth a look

Top 1% of 198 Health, Household and Personal Care niches · +15 vs the category median of 37

Market size 5Growth 26Conversion 67Competition 77Returns 100Price range 66Avg price 84Brand share 69Review moat 22Quality gap 32
This niche Category average · 198 niches

Is Melatonin profitable on Amazon?

According to Flapen's Amazon Singapore niche tracking, Melatonin is a $19K/yr Amazon Singapore market (16K searches/yr). The top 5 brands hold 64% of demand. Verdict: Worth a look — 52/100.

Melatonin: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved +1.1% over the last 90 days and 6.0% of searches end in a purchase.

$19K

revenue / yr

Units sold / yr2K
Search volume / yr+1.1%16K
Conversion rate6.0%
Avg price$18.64

Who owns the niche?

The top 5 brands hold 64% of demand, so 36% of the market is open.

36%

open market share

Brands · sellers15 · 21
Top-5 product click share38%
Open market36%
Avg brand age120 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.

0/100

page quality · 34 products

Sponsored placement35%
New entrants (1y)1· 0 succeeded
Avg rating4.6★
Avg reviews9,950

Top Melatonin products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.

$0$558$1K$2K$2K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

15 falling

Sellers

21

Top-5 brand share

64%

Top 20: 100%

Top-5 click share

38%

Top 20: 83%

Open market

27%

  • Puritan's Pride17%
  • Natrol13%
  • ZzzQuil12%
  • Swanson11%
  • Nature's Bounty11%
  • OLLY9%

Melatonin demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume16KCVR6.0%Products34Brands15Top 5 Brands64%OOS Rate4.7%Rating4.6★Reviews9,950Avg BSR#37
600400Spike '25Black Friday '25Spike '26Aug '25Oct '25Dec '25Jan '26Mar '26May '26Jun '26

Top Melatonin search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • melatonin13K/yr
  • melatonin 10mg2K/yr
  • melatonin 5mg2K/yr
  • meltonin32/yr

What reviews say buyers love and hate about Melatonin

What buyers mention most, as a share of all reviews.

What buyers love

100% of reviews
Sleep Quality42%

It helps with falling asleep fast

Dosage25%

Good dose

Ease Of Chewing/Swallowing17%

And the taste is good too especially for elder folks as it melts in the mouth instead of having to swallow

Taste-Overall17%

taste is nice

Common Melatonin questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Melatonin 52/100 on Amazon Singapore — Worth a look. The niche generates $19K/yr across 34 tracked products. 0 of 1 products launched in the last 360 days are still selling. Search demand moved +1.1% over the last 90 days.
Melatonin sells for $18.64 on average on Amazon Singapore, inside our $15–$100 sweet spot. Listings span $5.94–$32.46. The average incumbent carries 9,950 reviews — the moat a new listing must climb.