Is melatonin profitable to sell on Amazon Singapore?

The niche generates $19K/yr across 34 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +1.1%. Flapen's verdict: Worth a look (52/100).

How competitive is the melatonin niche?

15 brands and 21 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 64% of demand.

What does it cost to enter the melatonin niche?

Listings span $5.94–$32.46; the average listing price is $18.64 (sweet spot $15–$100). The average incumbent carries 9,950 reviews — the moat a new listing must climb.

melatonin

Worth a look

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

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$18.64

avg listing price — sweet spot $15–$100

Competition

Great38%

top-5 click share — an open shelf

Brand share

Good64%

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

Conversion

Good6.0%

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

Price range

Good$5.94–$32.46

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Okay+1.1%

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

Review moat

Bad9,950.26

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$19K

$19K/yr · 16K searches

Signals No Dominant Brand

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.

Data updated Jul 24, 2026 · scored weekly · How we score niches

melatonin market data

Units sold / yr: 2K–2K; avg 0–100/product
Revenue / yr: $28K–$37K; units × avg price
Conversion rate: 6.0%
Avg BSR: #37
Page quality: 0%
Prime: 85%
Sponsored: 35%
Out of stock: 4.7%
Avg brand age: 120 months
Avg seller age: 0 days

Competition & brand share

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

Brands

15 falling

Sellers

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%

Demand

Weekly Amazon search volume, last 47 weeks — +1.1% search growth over the last 90 days.

Open Trend

Top melatonin search terms

melatonin13K/yr +4.4%6.6% conv.
melatonin 10mg2K/yr -7.6%7.1% conv.
melatonin 5mg2K/yr -17.5%4.1% conv.
meltonin32/yr +100.0%0.0% conv.

All search terms

Top 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Puritans Pride Melatonin Capsules Blue 10mg 120ct

Puritan's Pride$13.594.6★34,166 rev

Swanson Melatonin - 100% Drug Free 3 mg 120 Caps Healthy slumber Cognition Stress Management Eye Health

Swanson$5.944.6★327 rev

Now Foods Melatonin 5 mg Sustained Release 120 Tablets

Now Foods$14.354.6★873 rev

Vicks ZzzQuil Pure Zzzs Melatonin Sleep Aid Gummies 48 gummies

ZzzQuil$27.114.6★1,760 rev

Carlyle Melatonin 12 mg Fast Dissolve 180 Tablets | Drug Free | Natural Berry Flavor | Vegetarian Non-GMO Gluten Free

Carlyle$18.424.5★81,583 rev

Newest

by launch date

Deep Sleep Extreme with w/Melatonin & Ashwagandha Sleeping pill Healthy Sleeping Cycle & Supports Calmness for adults extra strenght - Natural Sleep Aid - 60 Counts

Nano Singapore$18.5314 rev

4y ago

Natrol Melatonin Sleep Aid Gummy Fall Asleep Faster Stay Asleep Longer 2 Gummies per Serving 100% Drug and Gelatin Free Non-GMO 10mg 140 Count

Natrol$23.7126,303 rev

5y ago

Carlyle Melatonin 5 mg Fast Dissolve 300 Tablets | Drug Free Aid | Natural Berry Flavor | Vegetarian Non-GMO

Carlyle$14.675,956 rev

6y ago

Natrol Kids Melatonin 1mg Supplement for Restful Sleep Sleep Gummies for Children 60 Raspberry-Flavored Melatonin Gummies 60 Day Supply

Natrol$10.864,261 rev

6y ago

Now Foods Melatonin 5 mg Sustained Release 120 Tablets

Now Foods$14.35873 rev

7y ago

What buyers say about melatonin

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

What buyers love

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 questions

Is melatonin profitable to sell on Amazon Singapore?: The niche generates $19K/yr across 34 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +1.1%. Flapen's verdict: Worth a look (52/100).
How competitive is the melatonin niche?: 15 brands and 21 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 64% of demand.
What does it cost to enter the melatonin niche?: Listings span $5.94–$32.46; the average listing price is $18.64 (sweet spot $15–$100). The average incumbent carries 9,950 reviews — the moat a new listing must climb.