Is melatonin 20mg profitable to sell on Amazon United States?

The niche generates $2.0M/yr across 24 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -10.2%. Flapen's verdict: Worth a look (64/100).

How competitive is the melatonin 20mg niche?

17 brands and 64 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 65% of demand.

What do buyers complain about in melatonin 20mg?

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

When does demand for melatonin 20mg peak?

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

What does it cost to enter the melatonin 20mg niche?

Listings span $8.00–$37.87; the average listing price is $16.92 (sweet spot $15–$100). The average incumbent carries 12,032 reviews — the moat a new listing must climb.

Melatonin 20mg

Worth a look

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible18.1%

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

Market size

Incredible$2.0M

$2.0M/yr · 668K searches

Avg price

Great$16.92

avg listing price — sweet spot $15–$100

Price range

Great$8.00–$37.87

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

Brand share

Good65%

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

Competition

Good52%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Bad12,031.5

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-10.2%

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

Signals No Dominant Brand

Is melatonin 20mg profitable on Amazon?

According to Flapen's Amazon United States niche tracking, melatonin 20mg is a $2.0M/yr Amazon United States market (668K searches/yr). The top 5 brands hold 65% of demand. Verdict: Worth a look — 64/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

melatonin 20mg market size & sales

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

Units sold / yr: 125K–150K; avg 5,000–6,000/product
Revenue / yr: $2.1M–$2.5M; units × avg price
Conversion rate: 18.1%
Avg BSR: #174
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 67 months
Avg seller age: 152 days

Competition: brands, sellers & click share

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 rising

Sellers

Top-5 brand share

65%

Top 20: 100%

Top-5 click share

52%

Top 20: 96%

Open market

29%

Vitabod18%
Vitamatic17%
Nature's Perfect Night14%
Just Nutrients9%
Nutricost7%
Carlyle6%

melatonin 20mg demand & seasonality

Weekly Amazon search volume, last 104 weeks — -10.2% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top melatonin 20mg search terms shoppers use

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

melatonin 20mg581K/yr -10.4%16.2% conv.
melatonina 20mg6K/yr +141.2%4.8% conv.
melatonin 20 mg15K/yr -5.3%13.6% conv.
20 mg melatonin13K/yr -5.8%14.6% conv.
melatonin 20mg fast dissolve5K/yr +21.2%12.4% conv.
20mg melatonin5K/yr +0.8%13.3% conv.
20mg melatonin extra strength6K/yr -19.4%14.6% conv.
melatonin 204K/yr +12.0%13.7% conv.
melatonin 25mg4K/yr +1.2%4.6% conv.
melatonina 20 mg para adultos16K/yr -81.7%3.8% conv.

All search terms

Top melatonin 20mg 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

Vitabod Melatonin 20 mg - 240 Fast Dissolve Tablets - Drug Free - Natural Berry Flavor - Vegetarian Non-GMO Gluten Free 240 Count (Pack of 1) (240 Count (Pack of 1))

Vitabod$9.754.5★8,316 rev

Nature's Perfect Night$13.744.5★7,357 rev

Melatonin 20mg Gummies (120 Count) - Maximum Strength Sleep Support for Adults with 10mg of Melatonin Per Gummy - Gluten-Free Vegetarian Great Tasting Mixed Berry Flavor - 60 Servings

Just Nutrients$16.984.6★5,600 rev

Nutricost Melatonin 20mg 240 Capsules Non-GMO & Gluten Free

Nutricost$13.834.6★1,338 rev

Vitamatic Melatonin 20 mg Fast Dissolve Tablets 120 Count Made in USA

Vitamatic$12.854.4★11,092 rev

Newest

by launch date

VITBOOST Melatonin 20mg Fast Dissolve Sleep Aid Tablets for Adults - 120 CT

VITBOOST$8.00141 rev

6mo ago

Fajeckma 30mg Melatonin Gummies for Adult: Extra Strength Nighttime Formula

Fajeckma$34.3885 rev

1y ago

Best Naturals Melatonin 20mg 240 Tablets - Drug-Free Nighttime Sleep Aid - Non-GMO & Gluten Free

Best Naturals$9.82371 rev

1y ago

Nature's Perfect Night$24.347,357 rev

3y ago

Carlyle Melatonin 40mg Complex | 150 Fast Dissolve Tablets

Carlyle$10.194,665 rev

3y ago

What reviews say buyers love and hate about melatonin 20mg

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

What buyers love

Sleep Quality32%

“Great night sleep”

Taste-Overall11%

“No unpleasant aftertaste”

Quality-Overall8%

“The quality is consistent”

Efficiency8%

“Works well”

Value For Money6%

“Best deal”

Dosage4%

“The 20mg dosage is good”

Advertised Vs Actual Product4%

“Accurate description”

Flavor3%

“Berry Flavor”

Solubility2%

“Dissolves great taste wonderful good night sleep”

Ease Of Use2%

“Ease of use”

What buyers complain about

Sleep Quality19%

“No sleep”

Functionality-Overall16%

“Does not work good”

Taste-Overall13%

“Gross taste”

Dosage9%

“Too high of a dose”

Flavor2%

“The flavor is very artificial”

Solubility2%

“Not easy dissolve”

Value For Money2%

“are pricey”

Advertised Vs Actual Product2%

“Misleading”

Quality-Overall2%

“Low Quality”

Strength1%

“A bit Weak”

Top return reasons

Dosage24%

Functionality-Overall19%

Sleep Quality11%

Taste-Overall9%

Joint Pain9%

Hard Feel6%

Ease Of Chewing/Swallowing3%

Moist/Dry3%