Melatonin
Melatonin shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Flapen Score
Is Melatonin profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Melatonin is a £1.1M/yr Amazon United Kingdom market (2.4M searches/yr). The top 5 brands hold 57% of demand. Demand peaks in Jan–Feb. Verdict: Worth a look — 61/100.
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 -32.5% over the last 90 days and 3.2% of searches end in a purchase.
£1.1M
revenue / yr
Who owns the niche?
The top 5 brands hold 57% of demand, so 43% of the market is open.
43%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.1★ — the gap to enter on.
0/100
page quality · 31 products
Top Melatonin products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Sugar-Free Sleep Gummies x 60 Sleep Aid 8-in-1 Formula with Ashwagandha L Theanine 5 HTP Magnesium & More High Strength Natural Berry Flavoured Get Koala-Ty Sleep 60 Gummies
- Price
- £12.50
- Rating
- 3.9/5
- Reviews
- 390
- Age
- 1y ago

Natural Sleep Support Gummies for Adults - Melatonic Formula for Restful Nights Sleep Gummies Promoting Natural Melatonin Production Promotes Healthy Sleep Patterns 60 Count
- Price
- £14.27
- Rating
- 4.0/5
- Reviews
- 151
- Age
- 2y ago

szcrearions Night time Gummies x60 | DeepSleepV-Root Magnesium L-Theanine | Natural Bedtime Supplement | Sugar Free Gummies
- Price
- £16.84
- Rating
- 4.0/5
- Reviews
- 61
- Age
- 1y ago

Sugar Free Sleep Gummies Night Time Gummies x 90 Natural Melatonin Formula Promote Relaxation Helps Improve Sleep Quality with Magnesium L-Theanine Gluten Free
- Price
- £15.78
- Rating
- 3.9/5
- Reviews
- 12
- Age
- 7mo ago

NavoSupply-Gummies for Sleep Support & Mood Enhancement Sleep Gummies | Natural Berry Flavor Sleep Aid Supplement (90 Gummy)
- Price
- £18.82
- Rating
- 4.5/5
- Reviews
- 1,116
- Age
- 3y ago
Trending
90-day click momentum
Sweet Dreams Gummies for Adults with Magnesium Lavender Chamomile L-Theanine & Ashwagandha Sleep Supplement Relaxation & Night-Time Support | Sugar Free Vegan 60 Gummies |Berries Flavour| (1)
- Price
- £8.85
- Rating
- 4.4/5
- Reviews
- 28
- Age
- 2mo ago

Sleep Gummies for Adults - Sleep Aid with 5-HTP Valerian Root Magnesium L-Theanine & Vitamin B6 Alternative to Melatonin Tablets Berry Bliss Flavour 60 Gummies
- Price
- £12.53
- Rating
- 3.7/5
- Reviews
- 44
- Age
- 3mo ago

Dr. Wolz Sleep Spray Optimal Combination with Melatonin and Passion Flower Extract No Preservatives and Sugar 30 ml Blue
- Price
- £10.14
- Rating
- 3.9/5
- Reviews
- 16
- Age
- 7y ago

Sleep Deep Vegan Gummies 6mg Melatonin 60 Fruit-Pectin Gummies with L-Theanine and Magnesium Lab Tested for Quality Gluten Free
- Price
- £16.74
- Rating
- 2.9/5
- Reviews
- 15
- Age
- 8mo ago

Sugar Free Sleep Gummies Night Time Gummies x 90 Natural Melatonin Formula Promote Relaxation Helps Improve Sleep Quality with Magnesium L-Theanine Gluten Free
- Price
- £15.78
- Rating
- 3.9/5
- Reviews
- 12
- Age
- 7mo ago
Newest
by launch date
Sweet Dreams Gummies for Adults with Magnesium Lavender Chamomile L-Theanine & Ashwagandha Sleep Supplement Relaxation & Night-Time Support | Sugar Free Vegan 60 Gummies |Berries Flavour| (1)
- Price
- £8.85
- Rating
- 4.4/5
- Reviews
- 28
- Age
- 2mo ago

Sleep Gummies for Adults - Sleep Aid with 5-HTP Valerian Root Magnesium L-Theanine & Vitamin B6 Alternative to Melatonin Tablets Berry Bliss Flavour 60 Gummies
- Price
- £12.53
- Rating
- 3.7/5
- Reviews
- 44
- Age
- 3mo ago

Melatonin.High Quality Nighttime Sleep Support.Sleep Supplement.60 Capsules.
- Price
- £28.17
- Rating
- 5.0/5
- Reviews
- 5
- Age
- 5mo ago

INTENSE Wellness Easy Sleep Gummies for Adults Magnesium Glycinate 100mg + Valerian Root Ashwagandha & Lemon Balm Sugar-Free Vegan Night-Time Gummies Strawberry 90 Count
- Price
- £14.75
- Rating
- 4.4/5
- Reviews
- 74
- Age
- 6mo ago

Sleep Oracles Sleep Aid | 600mg Magnesium Glycinate with L-Theanine Passionflower & Valerian Root Relaxation & Sleep Support Blend | Vegan & Gluten Free Night-Time Supplement for Adults | 60 Capsules
- Price
- £9.89
- Rating
- 4.5/5
- Reviews
- 376
- Age
- 6mo ago
Competition: brands, sellers & click share
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.
Brands
24 falling
Sellers
55
Top-5 brand share
57%
Top 20: 96%
Top-5 click share
52%
Top 20: 89%
Open market
37%
- Hybrid Health14%
- Generic14%
- HILLTEN HEALTH14%
- Unerder9%
- novomins7%
- NavoSupply6%
Melatonin demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Jan, Feb · busiest ÷ quietest = 1.7×
Top Melatonin search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- melatonin890K/yr
- melatonin gummies537K/yr
- sleep gummies352K/yr
- melatonin tablets for sleeping172K/yr
- lemme sleep gummies91K/yr
- sleep gummies for adults83K/yr
- melatonin tablets45K/yr
- sleeping gummies27K/yr
- melatonin 5mg24K/yr
- melatonin gummies for adults29K/yr
What reviews say buyers love and hate about Melatonin
What buyers mention most, as a share of all reviews.
What buyers love
76% of reviews“HELPS WITH SLEEP”
“Excellent product”
“Good value for money”
“Good taste”
“Best magnesium capsules”
What buyers complain about
63% of reviews“Do not help sleep”
“DOESNT WORK”
“This magnesium does not work”
“Way too expensive”
“The dosage is far too high”
Melatonin return rate & reasons
Why buyers send it back, as a share of all return requests.
0.1%
Return rate
0%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Melatonin questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.









