Is melatonin 5mg profitable to sell on Amazon United States?

The niche generates $2.9M/yr across 27 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -3.5%. Flapen's verdict: Worth a look (61/100).

How competitive is the melatonin 5mg niche?

15 brands and 650 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 75% of demand.

What do buyers complain about in melatonin 5mg?

Top complaints mined from reviews: Sleep Quality, Functionality-Overall, Dosage. The return rate is 0.0%.

When does demand for melatonin 5mg peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the melatonin 5mg niche?

Listings span $5.29–$26.40; the average listing price is $11.56 (sweet spot $15–$100). The average incumbent carries 13,790 reviews — the moat a new listing must climb.

Melatonin 5mg

Worth a look

Shows searches that convert (22.0% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Conversion

Incredible22.0%

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

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Market size

Incredible$2.9M

$2.9M/yr · 1.1M searches

Competition

Good46%

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

Price range

Good$5.29–$26.40

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

Brand share

Okay75%

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

Avg price

Okay$11.56

avg listing price — sweet spot $15–$100

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-3.5%

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

Review moat

Bad13,790.37

avg incumbent reviews — the moat a new listing must climb

Is melatonin 5mg profitable on Amazon?

According to Flapen's Amazon United States niche tracking, melatonin 5mg is a $2.9M/yr Amazon United States market (1.1M searches/yr). The top 5 brands hold 75% of demand. Verdict: Worth a look — 61/100.

Data updated Jul 12, 2026 · scored weekly · How we score niches

melatonin 5mg market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 250K–300K; avg 10,000–12,500/product
Revenue / yr: $2.9M–$3.5M; units × avg price
Conversion rate: 22.0%
Avg BSR: #220
Page quality: 0%
Prime: 100%
Sponsored: 81%
Out of stock: 0.0%
Avg brand age: 74 months
Avg seller age: 152 days

Competition: brands, sellers & click share

The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 rising

Sellers

650

Top-5 brand share

75%

Top 20: 100%

Top-5 click share

46%

Top 20: 94%

Open market

19%

Natrol30%
Nature's Bounty16%
Nature Made15%
Vitamatic8%
Amazon Basics7%
Nutricost5%

melatonin 5mg demand & seasonality

Weekly Amazon search volume, last 104 weeks — -3.5% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top melatonin 5mg search terms shoppers use

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

melatonin 5mg911K/yr -4.3%19.6% conv.
melatonin 5 mg52K/yr +8.6%17.6% conv.
5mg melatonin32K/yr +6.7%17.3% conv.
melatonina 5mg para adultos29K/yr -16.7%5.1% conv.
5 mg melatonin22K/yr +8.1%16.9% conv.
nature made melatonin 5mg17K/yr -6.1%19.6% conv.
melatonin 5mg tablet10K/yr -29.7%17.4% conv.
melatonin 5 mg tablets11K/yr +12.2%20.2% conv.
melatonin 5mg tablets11K/yr +98.5%13.7% conv.
melatonin 56K/yr +17.1%19.1% conv.

All search terms

Top melatonin 5mg products & what they sell for

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

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

Nature Made Melatonin 5mg Tablets Extra Strength 100% Drug Free Sleep Aid for Adults 90 Tablets 90 Day Supply

Nature Made$6.794.6★13,624 rev

Natrol Melatonin 5mg Fast Dissolve Tablets Sleep Support Supplements for Adults Strawberry Flavor 200 Tablets Up to 200 Day Supply

Natrol$13.574.7★56,526 rev

Vitamatic Melatonin 5 mg Tablets | Vegetarian Non-GMO Gluten Free | 1 Year Supply | Natural Berry Flavor - 365 Tablets

Vitamatic$8.864.7★1,569 rev

Natures Bounty Melatonin 5mg Dual Spectrum 100% Drug Free Sleep Supplement Quick Release and Extended Release Promotes Relaxation and Sleep Health 60 Bi-Layer Tablets

Nature's Bounty$6.864.6★19,570 rev

Amazon Basics Melatonin Sleep Support Gummies Strawberry Flavor 5mg 120 Count (Previously Solimo)

Amazon Basics$8.804.6★39,823 rev

Newest

by launch date

Magno-Humphries$5.2962 rev

11mo ago

Vitamatic Melatonin 5 mg Tablets | Vegetarian Non-GMO Gluten Free | 1 Year Supply | Natural Berry Flavor - 365 Tablets

Vitamatic$8.861,569 rev

3y ago

12-in-1 Melatonin Sleep Capsules - Natural Sleep Aids for Adults with Melatonin 5mg and Magnesium Glycinate 500mg Sleep Aid with Ashwagandha L Theanine Valerian Root GABA 5-HTP (90ct Pack of 1)

MEDCHOICE$22.656,667 rev

4y ago

Nutricost Melatonin 5mg 240 Tablets - 5mg Per Serving Non-GMO Gluten Free

Nutricost$9.98592 rev

5y ago

Carlyle Melatonin 5 mg Fast Dissolve 300 Tablets | Berry Flavor | Vegetarian Non-GMO Supplement

Carlyle$10.046,299 rev

6y ago

What reviews say buyers love and hate about melatonin 5mg

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

What buyers love

Sleep Quality31%

“help with sleep”

Taste-Overall10%

“Doesnt taste bad”

Quality-Overall9%

“The quality is consistent”

Efficiency7%

“Works ok”

Value For Money6%

“very affordable”

Advertised Vs Actual Product5%

“As advertised”

Dosage4%

“The dosage is appropriate for me”

Flavor3%

“Pleasant flavor”

Ease Of Chewing/Swallowing2%

“The chews are soft”

Ease Of Use2%

“it is easy to keep around”

What buyers complain about

Sleep Quality22%

“still couldn't sleep”

Functionality-Overall19%

“Dont work well”

Dosage6%

“Warning, the dosage is too high”

Taste-Overall5%

“Horrible taste”

Quality-Overall3%

“Bad quality”

Side Effects3%

“Yesterday, I took only 1/2 of the pill and this morning it made me feel very dizzy”

Value For Money2%

“overpriced”

Flavor2%

“Not strawberry flavor”

Advertised Vs Actual Product2%

“does not work as advertised”

Ingredients-Overall2%

“TOO MANY INGREDIENTS IN ONE”

Top return reasons

Functionality-Overall23%

Dosage18%

Sleep Quality9%

Ingredients-Overall9%

Advertised Vs Actual Product7%

Solubility6%

Value For Money5%

Magnesium4%

Size-Overall4%

Compatibility-Overall2%

Common melatonin 5mg questions

Is melatonin 5mg profitable to sell on Amazon United States?: The niche generates $2.9M/yr across 27 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -3.5%. Flapen's verdict: Worth a look (61/100).
How competitive is the melatonin 5mg niche?: 15 brands and 650 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 75% of demand.
What do buyers complain about in melatonin 5mg?: Top complaints mined from reviews: Sleep Quality, Functionality-Overall, Dosage. The return rate is 0.0%.
When does demand for melatonin 5mg peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the melatonin 5mg niche?: Listings span $5.29–$26.40; the average listing price is $11.56 (sweet spot $15–$100). The average incumbent carries 13,790 reviews — the moat a new listing must climb.