Is magnesium roll on for kids profitable to sell on Amazon United States?

The niche generates $25K/yr across 11 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -21.7%. Flapen's verdict: Skip it (43/100).

How competitive is the magnesium roll on for kids niche?

9 brands and 18 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 86% of demand.

What do buyers complain about in magnesium roll on for kids?

Top complaints mined from reviews: Functionality-Overall, Sleep Quality, Allergies. The return rate is 0.1%.

What does it cost to enter the magnesium roll on for kids niche?

Listings span $11.25–$23.95; the average listing price is $15.77 (sweet spot $15–$100). The average incumbent carries 1,161 reviews — the moat a new listing must climb.

Magnesium Roll on for Kids

Skip it

A small market ($25K/yr) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great8.6%

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

Avg price

Great$15.77

avg listing price — sweet spot $15–$100

Price range

Good$11.25–$23.95

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

Review moat

Good1,160.91

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Okay86%

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

Competition

Bad79%

top-5 click share — a locked-up shelf

Growth

Bad-21.7%

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

Market size

Bad$25K

$25K/yr · 18K searches

Signals Out of Stock

Is magnesium roll on for kids profitable on Amazon?

According to Flapen's Amazon United States niche tracking, magnesium roll on for kids is a $25K/yr Amazon United States market (18K searches/yr). The top 5 brands hold 86% of demand. Verdict: Skip it — 43/100.

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

magnesium roll on for kids market size & sales

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

Units sold / yr: 2K–2K; avg 100–250/product
Revenue / yr: $24K–$32K; units × avg price
Conversion rate: 8.6%
Avg BSR: #1,450
Page quality: 0%
Prime: 100%
Sponsored: 91%
Out of stock: 0.0%
Avg brand age: 39 months
Avg seller age: 190 days

Competition: brands, sellers & click share

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

Brands

9 rising

Sellers

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

79%

Top 20: 100%

Open market

VAL49%
M3 Naturals12%
Novalisse11%
DOODLE HOG8%
Seven Minerals7%
WKCWKC5%
Open — no brand owns it (3 brands, 9%)

magnesium roll on for kids demand & seasonality

Weekly Amazon search volume, last 51 weeks — -21.7% search growth over the last 90 days.

Open Trend

Top magnesium roll on for kids search terms shoppers use

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

magnesium roll on for kids13K/yr -18.5%6.5% conv.
roll on magnesium for kids2K/yr -35.8%9.4% conv.
val magnesium roll-on1K/yr -25.5%15.8% conv.
val happy kids magnesium roll on2K/yr -29.1%10.9% conv.

All search terms

Top magnesium roll on for kids 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 11 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

VAL$19.324.3★2,021 rev

Magnesium Roll On for Sore Muscles Leg Cramps Adults & Kids 3 fl oz by M3

M3 Naturals$15.184.0★65 rev

Novalisse Magnesium Lotion for Kids Sleep & Calm Natural Magnesium Roll-On for Sleep & Calming Mess Free Applicator for Bedtime Routine

Novalisse$18.955.0★1 rev

DOODLE HOG Magnesium Lotion for Kids With Calendula Aloe Vera and Chamomile Magnesium Lotion for Sleep Made in USA Kids Roll-On Application 3 fl oz

DOODLE HOG$15.414.1★236 rev

Seven Minerals Kids Magnesium Roll On for Sensitive Skin. USP Grade Magnesium Lotion for Children. Calming Bedtime Support with Chamomile & Aloe Vera Easy Application USA Made 3 fl oz

Seven Minerals$17.414.6★22 rev

Newest

by launch date

Magnesium Lotion for Kids - Natural Roll On Lotion for Sleep Calming Bedtime Routine & Relaxation Support Gentle and Hygienic Ball Bearing Design

AiRunTech$16.192 rev

1mo ago

Seven Minerals Kids Magnesium Roll On for Sensitive Skin. USP Grade Magnesium Lotion for Children. Calming Bedtime Support with Chamomile & Aloe Vera Easy Application USA Made 3 fl oz

Seven Minerals$17.4122 rev

2mo ago

Novalisse Magnesium Lotion for Kids Sleep & Calm Natural Magnesium Roll-On for Sleep & Calming Mess Free Applicator for Bedtime Routine

Novalisse$18.951 rev

2mo ago

Magnesium Lotion for Kids Gentle Roll on Magnesium Lotion for Sleep Moisturizing Skin & Improve Children Bedtime 60ml

WKCWKC$12.796 rev

7mo ago

Magnesium Roll On for Sore Muscles Leg Cramps Adults & Kids 3 fl oz by M3

M3 Naturals$15.1865 rev

1y ago

What reviews say buyers love and hate about magnesium roll on for kids

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

What buyers love

Efficiency10%

“It works quickly”

Sleep Quality10%

“Peaceful sleep”

Ease Of Use8%

“Convenient Roll On”

Magnesium7%

“True magnesium effect”

Ease Of Application6%

“Easy application”

Smell6%

“There's no strong odor”

Joint Pain6%

“It's great for muscle joints pain”

Muscle Pain Relief5%

“muscles helps provide some relief as well”

Quality-Overall5%

“the roll on is great”

Moist/Dry3%

“Decent Moisturizer,”

What buyers complain about

Functionality-Overall9%

“Did not work”

Sleep Quality7%

“No help w sleep”

Allergies6%

“couldn't tell if anything was coming out. daughter has eczema”

Smell6%

“There is a faint scent”

Moist/Dry5%

“this thing was bone dry”

Oily/Greasy4%

“doesnt stay greasy or oily on the skin”

Leak-Proof3%

“Sadly, my container is shoddy and I can't apply without it leaking”

Dilute/Watery3%

“watery to touch”

Adhesion/Stickiness3%

“I started using this every day when i have pain it makes the pain go away i even noticed I quit taking my pain meds around the clock the only downside is its slightly sticky”

Value For Money2%

“Expensive,”

Top return reasons

Dilute/Watery40%

Functionality-Overall40%

Leak-Proof20%

Common magnesium roll on for kids questions

Is magnesium roll on for kids profitable to sell on Amazon United States?: The niche generates $25K/yr across 11 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -21.7%. Flapen's verdict: Skip it (43/100).
How competitive is the magnesium roll on for kids niche?: 9 brands and 18 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 86% of demand.
What do buyers complain about in magnesium roll on for kids?: Top complaints mined from reviews: Functionality-Overall, Sleep Quality, Allergies. The return rate is 0.1%.
What does it cost to enter the magnesium roll on for kids niche?: Listings span $11.25–$23.95; the average listing price is $15.77 (sweet spot $15–$100). The average incumbent carries 1,161 reviews — the moat a new listing must climb.