Is melatonin with magnesium profitable to sell on Amazon United States?

The niche generates $426K/yr across 24 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is +22.9%. Flapen's verdict: Worth a look (64/100).

How competitive is the melatonin with magnesium niche?

15 brands and 524 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 72% of demand.

What do buyers complain about in melatonin with magnesium?

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

When does demand for melatonin with magnesium peak?

Demand is steady year-round — the busiest month runs 1.6× the quietest.

What does it cost to enter the melatonin with magnesium niche?

Listings span $9.72–$38.18; the average listing price is $17.96 (sweet spot $15–$100). The average incumbent carries 2,038 reviews — the moat a new listing must climb.

Melatonin with Magnesium

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

Great9.3%

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

Avg price

Great$17.96

avg listing price — sweet spot $15–$100

Price range

Great$9.72–$38.18

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Good$426K

$426K/yr · 255K searches

Brand share

Good72%

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

Growth

Good+22.9%

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

Review moat

Okay2,038.25

avg incumbent reviews — the moat a new listing must climb

Competition

Okay58%

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

Is melatonin with magnesium profitable on Amazon?

According to Flapen's Amazon United States niche tracking, melatonin with magnesium is a $426K/yr Amazon United States market (255K searches/yr). The top 5 brands hold 72% of demand. Verdict: Worth a look — 64/100.

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

melatonin with magnesium market size & sales

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

Units sold / yr: 25K–30K; avg 1,000–1,250/product
Revenue / yr: $449K–$539K; units × avg price
Conversion rate: 9.3%
Avg BSR: #381
Page quality: 0%
Prime: 96%
Sponsored: 79%
Out of stock: 4.1%
Avg brand age: 47 months
Avg seller age: 150 days

Competition: brands, sellers & click share

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 flat

Sellers

524

Top-5 brand share

72%

Top 20: 100%

Top-5 click share

58%

Top 20: 95%

Open market

22%

Natural Vitality22%
Nature Made18%
MEDCHOICE15%
Vitafusion10%
Natrol6%
Vicks5%

melatonin with magnesium demand & seasonality

Weekly Amazon search volume, last 104 weeks — +22.9% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.6×

Open Trend

Top melatonin with magnesium search terms shoppers use

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

calm sleep gummies36K/yr +16.9%14.8% conv.
melatonin with magnesium25K/yr +14.7%5.5% conv.
melatonin magnesium24K/yr +11.7%6.7% conv.
melatonin and magnesium gummies18K/yr +33.1%8.7% conv.
medchoice melatonin magnesium l theanine13K/yr +88.7%13.5% conv.
melatonin magnesium gummies18K/yr +19.5%8.7% conv.
melatonin and magnesium19K/yr +2.2%5.8% conv.
magnesium melatonin16K/yr +4.8%6.4% conv.
sleep and recover gummies8K/yr +108.5%3.4% conv.
nature made sleep and recover13K/yr +12.0%3.9% conv.

All search terms

Top melatonin with magnesium 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

Natural Vitality Sleep Gummies | Magnesium Melatonin & L-Theanine Formula

Natural Vitality$23.484.5★3,044 rev

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$22.714.2★6,758 rev

Nature Made Melatonin + Magnesium Gummies Melatonin 3mg 50 Gummies

Nature Made$14.834.2★95 rev

Vitafusion$11.334.7★77 rev

Natrol Sleep & Restore Magnesium Glycinate GABA Melatonin 5mg 60 Gummies

Natrol$17.234.2★773 rev

Newest

by launch date

Nature Made Melatonin + Magnesium Gummies Melatonin 3mg 50 Gummies

Nature Made$14.8395 rev

5mo ago

Vitafusion$11.3377 rev

9mo ago

Piping Rock Melatonin with Magnesium | 60 Capsules | Relaxed Mood Support

Piping Rock$9.9729 rev

9mo ago

Carlyle Melatonin 12mg Gummies | 60 Count | with Magnesium

Carlyle$10.1435 rev

11mo ago

ZzzQuil Pure Zzzs +Magnesium Capsules L-Theanine and Magnesium Sleep Aid 4-in-1 Magnesium: Citrate Bisglycinate Oxide and Carbonate Sleep Aids for Adults 90 Sleep Capsules

Vicks$19.64320 rev

12mo ago

What reviews say buyers love and hate about melatonin with magnesium

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

What buyers love

Sleep Quality40%

“I fall asleep easily”

Taste-Overall10%

“Excellent taste”

Efficiency6%

“Works Well”

Quality-Overall5%

“Excellent product”

Advertised Vs Actual Product3%

“Work as described”

Value For Money2%

“Good value for money”

Dosage2%

“The dosage is appropriate for me”

Magnesium2%

“I like that they also include magnesium”

Flavor2%

“Good Flavor and Easy to Take”

Ease Of Use2%

“Easy to use”

What buyers complain about

Sleep Quality27%

“No sleep”

Functionality-Overall21%

“Did Not Work”

Taste-Overall9%

“taste gross”

Value For Money4%

“Too expensive”

Dosage3%

“Though the dose is low”

Side Effects1%

“Chamomile can cause headaches if youre susceptible to any varieties of the ragweed family”

Quality-Overall1%

“garbage no good”

Flavor1%

“The flavor is very artificial”

Magnesium1%

“Ordered do I could get effect of magnesium as well it just doesnt work for sleeping”

Advertised Vs Actual Product1%

“Misleading”

Top return reasons

Functionality-Overall38%

Sleep Quality24%

Taste-Overall5%

Flavor5%

Dosage5%

Value For Money4%

Smell4%

Side Effects3%

Acid Regulator/Stomach Ache Relief3%

Magnesium3%

Common melatonin with magnesium questions

Is melatonin with magnesium profitable to sell on Amazon United States?: The niche generates $426K/yr across 24 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is +22.9%. Flapen's verdict: Worth a look (64/100).
How competitive is the melatonin with magnesium niche?: 15 brands and 524 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 72% of demand.
What do buyers complain about in melatonin with magnesium?: Top complaints mined from reviews: Sleep Quality, Functionality-Overall, Taste-Overall. The return rate is 0.0%.
When does demand for melatonin with magnesium peak?: Demand is steady year-round — the busiest month runs 1.6× the quietest.
What does it cost to enter the melatonin with magnesium niche?: Listings span $9.72–$38.18; the average listing price is $17.96 (sweet spot $15–$100). The average incumbent carries 2,038 reviews — the moat a new listing must climb.