Is melatonin 0.5mg profitable to sell on Amazon United States?

The niche generates $88K/yr across 12 tracked products. 90-day search growth is +6.9%. Flapen's verdict: Skip it (43/100).

How competitive is the melatonin 0.5mg niche?

8 brands and 53 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 92% of demand.

What do buyers complain about in melatonin 0.5mg?

Top complaints mined from reviews: Sleep Quality, Dosage, Ease Of Use. The return rate is 0.0%.

What does it cost to enter the melatonin 0.5mg niche?

Listings span $4.80–$30.34; the average listing price is $13.51 (sweet spot $15–$100). The average incumbent carries 3,833 reviews — the moat a new listing must climb.

Melatonin 0.5mg

Skip it

A concentrated shelf (top 5 take 79% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible12.5%

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

Avg price

Good$13.51

avg listing price — sweet spot $15–$100

Price range

Good$4.80–$30.34

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

Growth

Okay+6.9%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Review moat

Okay3,832.5

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$88K

$88K/yr · 52K searches

Brand share

Bad92%

top-5 brand share — brand-locked demand

Competition

Bad79%

top-5 click share — a locked-up shelf

Is melatonin 0.5mg profitable on Amazon?

According to Flapen's Amazon United States niche tracking, melatonin 0.5mg is a $88K/yr Amazon United States market (52K searches/yr). The top 5 brands hold 92% of demand. Verdict: Skip it — 43/100.

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

melatonin 0.5mg market size & sales

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

Units sold / yr: 6K–8K; avg 500–750/product
Revenue / yr: $81K–$108K; units × avg price
Conversion rate: 12.5%
Avg BSR: #342
Page quality: 0%
Prime: 100%
Sponsored: 92%
Out of stock: 0.0%
Avg brand age: 93 months
Avg seller age: 159 days

Competition: brands, sellers & click share

The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 falling

Sellers

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

79%

Top 20: 100%

Open market

Pure Encapsulations52%
Life Extension14%
OLLY11%
Nature's Bounty10%
Natrol5%
Wellness Resources3%
Open — no brand owns it (2 brands, 5%)

melatonin 0.5mg demand & seasonality

Weekly Amazon search volume, last 51 weeks — +6.9% search growth over the last 90 days.

Open Trend

Top melatonin 0.5mg search terms shoppers use

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

melatonin 0.5mg15K/yr +7.5%13.8% conv.
melatonin .5 mg11K/yr +4.0%15.8% conv.
0.5 mg melatonin8K/yr +10.5%11.5% conv.
melatonin 0.5 mg4K/yr +3.8%12.2% conv.
0.5mg melatonin3K/yr +30.3%8.6% conv.
melatonin 0.54K/yr -0.1%14.9% conv.
.5 mg melatonin4K/yr -8.0%12.2% conv.
melatonin .53K/yr +14.6%18.9% conv.

All search terms

Top melatonin 0.5mg 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 12 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Pure Encapsulations Melatonin 0.5 mg - Natural Sleep Helper for Bedtime - Regulates Sleep-Wake Cycle* - 0.5 mg Melatonin - Vegan & Non-GMO - 60 Capsules

Pure Encapsulations$12.264.6★1,219 rev

Pure Encapsulations Melatonin 0.5 mg - Natural Sleep Helper for Bedtime - Regulates Sleep-Wake Cycle* - 0.5 mg Melatonin - Vegan & Non-GMO - 180 Capsules

Pure Encapsulations$30.344.6★1,219 rev

Life Extension Melatonin 500 mcg Gently Promotes Sleep Low Dose Value Size Non-GMO Gluten-Free Vegetarian 200 Capsules

Life Extension$12.104.6★417 rev

Natures Bounty Melatonin 100% Drug Free Sleep Aid Promotes Relaxation and Sleep Health 1mg 180 Tablets

Nature's Bounty$4.804.6★10,022 rev

OLLY Kids Sleep Gummy Occasional Sleep Support * 0.5mg Melatonin L-Theanine Raspberry Flavored 50 or 25 Day Supply - 50 Count

OLLY$11.214.7★6,279 rev

Newest

by launch date

OLLY Kids Sleep Gummies for Ages 4+ 0.5 mg Melatonin per Gummy (1mg per Serving) Sleep Support with L-Theanine Occasional Sleep Support Non-Habit Forming Raspberry Flavor Gluten Free 70 Count

OLLY$14.066,279 rev

3y ago

Carlyle Melatonin 300 mcg | 365 Tablets | Low Dose

Carlyle$10.01541 rev

4y ago

OLLY Kids Sleep Gummy Occasional Sleep Support * 0.5mg Melatonin L-Theanine Raspberry Flavored 50 or 25 Day Supply - 50 Count

OLLY$11.216,279 rev

7y ago

Pure Encapsulations Melatonin-SR - Extended Release Melatonin - Supports Restful Sleep* - Sleep Supplement - Gluten Free & Vegan - 60 Capsules

Pure Encapsulations$18.871,564 rev

9y ago

Utzy Naturals$20.85133 rev

9y ago

What reviews say buyers love and hate about melatonin 0.5mg

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

What buyers love

Sleep Quality26%

“Helps Me Sleep”

Dosage13%

“Perfect dose”

Quality-Overall11%

“Good quality”

Taste-Overall7%

“Great taste”

Efficiency5%

“Effective”

Value For Money4%

“reasonable price”

Side Effects3%

“had no issues”

Advertised Vs Actual Product2%

“Works as advertised”

Ingredients-Overall2%

“Clean minimal ingredients”

Ease Of Use1%

“Easy to use”

What buyers complain about

Sleep Quality21%

“Didnt sleep through the night”

Dosage9%

“Low Dose”

Ease Of Use6%

“And difficult to open”

Functionality-Overall4%

“Doesn't work”

Quality-Overall3%

“More is not better”

Taste-Overall3%

“They are bitter tasting”

Value For Money3%

“Expensive”

Size-Overall3%

“too big”

Nutritional Content2%

“the reason its getting a 1 star review is because of the failure to add the amount of xylitol”

Flavor1%

“would prefer it had no flavor”

Top return reasons

Ease Of Use29%

Dosage29%

Functionality-Overall29%

Sleep Quality14%

Common melatonin 0.5mg questions

Is melatonin 0.5mg profitable to sell on Amazon United States?: The niche generates $88K/yr across 12 tracked products. 90-day search growth is +6.9%. Flapen's verdict: Skip it (43/100).
How competitive is the melatonin 0.5mg niche?: 8 brands and 53 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in melatonin 0.5mg?: Top complaints mined from reviews: Sleep Quality, Dosage, Ease Of Use. The return rate is 0.0%.
What does it cost to enter the melatonin 0.5mg niche?: Listings span $4.80–$30.34; the average listing price is $13.51 (sweet spot $15–$100). The average incumbent carries 3,833 reviews — the moat a new listing must climb.