Is melatonin 3mg profitable to sell on Amazon United States?

The niche generates $1.8M/yr across 18 tracked products. 90-day search growth is -2.5%. Flapen's verdict: Worth a look (55/100).

How competitive is the melatonin 3mg niche?

11 brands and 609 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 84% of demand.

What do buyers complain about in melatonin 3mg?

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

When does demand for melatonin 3mg peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the melatonin 3mg niche?

Listings span $6.21–$37.39; the average listing price is $11.13 (sweet spot $15–$100). The average incumbent carries 9,358 reviews — the moat a new listing must climb.

Melatonin 3mg

Worth a look

Shows searches that convert (22.4% search→purchase), but a deep review moat (9,358 avg reviews) keeps it on the watch list.

Conversion

Incredible22.4%

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

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Market size

Great$1.8M

$1.8M/yr · 727K searches

Price range

Good$6.21–$37.39

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

Avg price

Okay$11.13

avg listing price — sweet spot $15–$100

Brand share

Okay84%

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

Competition

Okay65%

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

Growth

Bad-2.5%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad9,358.39

avg incumbent reviews — the moat a new listing must climb

Is melatonin 3mg profitable on Amazon?

According to Flapen's Amazon United States niche tracking, melatonin 3mg is a $1.8M/yr Amazon United States market (727K searches/yr). The top 5 brands hold 84% of demand. Verdict: Worth a look — 55/100.

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

melatonin 3mg market size & sales

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

Units sold / yr: 150K–200K; avg 10,000–12,500/product
Revenue / yr: $1.7M–$2.2M; units × avg price
Conversion rate: 22.4%
Avg BSR: #256
Page quality: 0%
Prime: 100%
Sponsored: 67%
Out of stock: 0.0%
Avg brand age: 82 months
Avg seller age: 154 days

Competition: brands, sellers & click share

The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 rising

Sellers

609

Top-5 brand share

84%

Top 20: 100%

Top-5 click share

65%

Top 20: 100%

Open market

12%

Nature's Bounty34%
Natrol21%
Nature Made18%
Pure Encapsulations6%
NOW Foods4%
Amazon Elements4%
Open — no brand owns it (5 brands, 12%)

melatonin 3mg demand & seasonality

Weekly Amazon search volume, last 104 weeks — -2.5% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top melatonin 3mg search terms shoppers use

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

melatonin 3mg548K/yr -4.7%20.7% conv.
melatonin 3 mg44K/yr +5.9%16.1% conv.
3mg melatonin34K/yr +7.0%15.9% conv.
natures bounty melatonin27K/yr +3.2%3.1% conv.
3 mg melatonin22K/yr +7.1%18.1% conv.
melatonin natures bounty14K/yr -4.7%4.3% conv.
melatonin 3mg tablets10K/yr +42.6%19.9% conv.
melatonin 3 mg tablets10K/yr +1.3%18.3% conv.
melatonina 3mg para adultos7K/yr +12.3%5.1% conv.
melatonin 35K/yr -13.5%15.4% conv.

All search terms

Top melatonin 3mg 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 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Natures Bounty Melatonin 3mg Quick Dissolve Sleep Aid Supplement Sleep Aids for Adults Cherry Flavor 240 Count (Pack of 1)

Nature's Bounty$8.314.7★25,501 rev

Nature Made Melatonin 3mg Sleep Aids for Adults 100% Drug Free Sleep Aid Sleep Supplements 240 Tablets 240 Day Supply

Nature Made$9.584.7★18,535 rev

Natrol Melatonin 3mg Fast Dissolve Tablets Strawberry Flavor 150 Count Sleep Aids for Adults Fast Dissolve Melatonin for Adults 150-Day Supply

Natrol$10.234.7★11,730 rev

NOW Foods Supplements Melatonin 3 mg Free Radical Scavenger* Healthy Sleep Cycle* 180 Veg Capsules

NOW Foods$8.464.7★1,720 rev

Pure Encapsulations Melatonin 3 mg - Antioxidant Supplement to Support Natural Sleeping & Relief of Occasional Sleeplessness - for Natural Sleep Support* - 180 Capsules

Pure Encapsulations$37.394.6★2,281 rev

Newest

by launch date

Natrol Time Release Melatonin Gummies Sleep Support for Adults 3 mg Melatonin Supplements for Restful Sleep Support 65 Strawberry-Flavored Gummies Up to a 65 Day Supply

Natrol$13.40352 rev

2y ago

Vitamatic Melatonin 3mg Tablets | Vegetarian Non-GMO Gluten Free | 1 Year Supply | Natural Berry Flavor - 365 Tablets

Vitamatic$8.84656 rev

3y ago

Nutricost Melatonin 3mg 240 Tablets - 3mg Per Serving Non-GMO Gluten Free

Nutricost$9.90193 rev

5y ago

Natures Bounty Melatonin Promotes Relaxation & Sleep 100% Drug Free Sleep Aid 3 mg 120 Quick Dissolve Tablets

Nature's Bounty$6.9925,501 rev

5y ago

OLLY Sleep Gummy Sleep Support Supplement * 3 mg Melatonin L-Theanine Chamomile and Lemon Balm Extracts Blackberry Zen Flavor 35 Day Supply - 70 Count

OLLY$14.6427,538 rev

7y ago

What reviews say buyers love and hate about melatonin 3mg

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

What buyers love

Sleep Quality32%

“I fall asleep easily”

Quality-Overall10%

“This brand had great reviews”

Taste-Overall7%

“Good taste thus easy to use”

Dosage7%

“Right dosage for me”

Efficiency6%

“It is very effective”

Value For Money6%

“GREAT price”

Advertised Vs Actual Product5%

“As advertised”

Flavor3%

“Pleasant flavor”

Solubility3%

“Dissolve easily”

Ease Of Use2%

“Convenient for travel or nightly use”

What buyers complain about

Sleep Quality21%

“didnt help sleep”

Functionality-Overall16%

“Doesn't work on me”

Dosage6%

“Low dose 1mg”

Ease Of Use4%

“They still work just not easy to use”

Side Effects3%

“medication effect”

Taste-Overall3%

“it does leave a slight aftertaste that I wasn't a big fan of”

Moist/Dry2%

“Dried out”

Flavor2%

“The new cherry flavor is disgusting”

Artificial Sweeteners2%

“then again he uses so much artificial sweetener that his morning coffee tastes like ant poison”

Smell2%

“They smell awful”

Top return reasons

Functionality-Overall15%

Ease Of Use15%

Sleep Quality13%

Flavor10%

Value For Money10%

Dosage10%

Solubility8%

Ingredients-Overall5%

Age Suitability5%

Magnesium5%

Common melatonin 3mg questions

Is melatonin 3mg profitable to sell on Amazon United States?: The niche generates $1.8M/yr across 18 tracked products. 90-day search growth is -2.5%. Flapen's verdict: Worth a look (55/100).
How competitive is the melatonin 3mg niche?: 11 brands and 609 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 84% of demand.
What do buyers complain about in melatonin 3mg?: Top complaints mined from reviews: Sleep Quality, Functionality-Overall, Dosage. The return rate is 0.0%.
When does demand for melatonin 3mg peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the melatonin 3mg niche?: Listings span $6.21–$37.39; the average listing price is $11.13 (sweet spot $15–$100). The average incumbent carries 9,358 reviews — the moat a new listing must climb.