---
title: "Melatonin — $19K/yr Amazon SG Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/sg/health-household-and-personal-care/melatonin"
last_updated: "2026-08-08T04:39:14.623Z"
locale: en
meta:
description: "Niche score 52/100 · $19K/yr market · 16K searches/yr · $18.64 avg price. A small market ($19K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $19K/yr market · 16K searches/yr · $18.64 avg price. A small market ($19K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Melatonin — $19K/yr Amazon SG Niche (2026) - Flapen"
---
# **melatonin**
**Worth a look**
Shows low returns (0.0%), but a small market ($19K/yr) keeps it on the watch list.
Market size 5Growth 26Conversion 67Competition 77Returns 100Price range 66Avg price 84Brand share 69Review moat 22Quality gap 32
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$18.64**
avg listing price — sweet spot $15–$100
**Competition**
**Great****38%**
top-5 click share — an open shelf
**Brand share**
**Good****64%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Good****6.0%**
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**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+1.1%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****9,950.26**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$19K**
$19K/yr · 16K searches
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=sg&signal=no_dominant_brand "Top brand's click share < 20%")
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 ~~](https://flapen.com/research/methodology)
## **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**
**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%
## **Demand**
Weekly Amazon search volume, last 47 weeks — +1.1% search growth over the last 90 days.
600400Spike '25Black Friday '25Spike '26Aug '25Oct '25Dec '25Jan '26Mar '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/sg/health-household-and-personal-care/melatonin/trend)
## **Top melatonin search terms**
- **melatonin**13K/yr+4.4%6.6% conv. - **melatonin 10mg**2K/yr-7.6%7.1% conv. - **melatonin 5mg**2K/yr-17.5%4.1% conv. - **meltonin**32/yr+100.0%0.0% conv. [**All search terms **](https://flapen.com/research/sg/health-household-and-personal-care/melatonin/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.
0%3%$5586%$1K9%$2K12%$2K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**Puritans Pride Melatonin Capsules Blue 10mg 120ct**Puritan's Pride**$13.59**4.6★34,166 rev](https://www.amazon.sg/dp/B004R66PVG) [2**Swanson Melatonin - 100% Drug Free 3 mg 120 Caps Healthy slumber Cognition Stress Management Eye Health**Swanson**$5.94**4.6★327 rev](https://www.amazon.sg/dp/B003SXNIPK) [3**Now Foods Melatonin 5 mg Sustained Release 120 Tablets**Now Foods**$14.35**4.6★873 rev](https://www.amazon.sg/dp/B07VPPYHF9) [4**Vicks ZzzQuil Pure Zzzs Melatonin Sleep Aid Gummies 48 gummies**ZzzQuil**$27.11**4.6★1,760 rev](https://www.amazon.sg/dp/B076F28GHY) [5**Carlyle Melatonin 12 mg Fast Dissolve 180 Tablets | Drug Free | Natural Berry Flavor | Vegetarian Non-GMO Gluten Free**Carlyle**$18.42**4.5★81,583 rev](https://www.amazon.sg/dp/B07GR9WBFY)
**~~View all top sellers →~~**
### **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**$18.53**14 rev4y ago](https://www.amazon.sg/dp/B095YWHGD2) [**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**$23.71**26,303 rev5y ago](https://www.amazon.sg/dp/B08666GMWG) [**Carlyle Melatonin 5 mg Fast Dissolve 300 Tablets | Drug Free Aid | Natural Berry Flavor | Vegetarian Non-GMO**Carlyle**$14.67**5,956 rev6y ago](https://www.amazon.sg/dp/B0885VYX9N) [**Natrol Kids Melatonin 1mg Supplement for Restful Sleep Sleep Gummies for Children 60 Raspberry-Flavored Melatonin Gummies 60 Day Supply**Natrol**$10.86**4,261 rev6y ago](https://www.amazon.sg/dp/B0866674VB) [**Now Foods Melatonin 5 mg Sustained Release 120 Tablets**Now Foods**$14.35**873 rev7y ago](https://www.amazon.sg/dp/B07VPPYHF9)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Natrol Melatonin Fast Dissolve Tablets Helps You Fall Asleep Faster Stay Asleep Longer Easy to Take Dissolves in Mouth Strengthen Immune System 3mg 150 Count**Natrol**$16.94**4.6★**▲ 129%**](https://www.amazon.sg/dp/B0149LAJTW) [**Swanson Melatonin - 100% Drug Free 3 mg 120 Caps Healthy slumber Cognition Stress Management Eye Health**Swanson**$5.94**4.6★**▲ 99%**](https://www.amazon.sg/dp/B003SXNIPK) [**Puritans Pride Super Strength Rapid Release Capsules Melatonin 120 Count (Pack of 2)(Packaging may vary)**Puritan's Pride**$18.21**4.6★**▲ 43%**](https://www.amazon.sg/dp/B00K8K937I) [**Swanson Triple Strength Melatonin - Natural Sleep Support for Disrupted Sleep Cycles - Sleep Aid Supplement Promoting Restful Sleep - (60 Capsules 10mg Each)**Swanson**$12.02**4.6★**▲ 35%**](https://www.amazon.sg/dp/B0017OCEB6) [**Natrol Melatonin Fast Dissolve Tablets Helps You Fall Asleep Faster Stay Asleep Longer Easy to Take Dissolve in Mouth Strengthen Immune System Maximum Strength Strawberry Flavor 10mg 60 Count**Natrol**$14.37**4.6★**▲ 30%**](https://www.amazon.sg/dp/B007ZN7AF8)
**~~View all trending →~~**
## **What buyers say about melatonin**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Sleep Quality**42%
*“It helps with falling asleep fast”*
**Dosage**25%
*“Good dose”*
**Ease Of Chewing/Swallowing**17%
*“And the taste is good too especially for elder folks as it melts in the mouth instead of having to swallow”*
**Taste-Overall**17%
*“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.
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