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

The niche generates $726K/yr across 33 tracked products. 10 of 11 products launched in the last 360 days are still selling. 90-day search growth is -16.2%. Flapen's verdict: Worth a look (63/100).

How competitive is the magnesium glycinate for kids niche?

27 brands and 608 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 60% of demand.

What do buyers complain about in magnesium glycinate for kids?

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

When does demand for magnesium glycinate for kids peak?

Demand peaks in Apr; the busiest month runs 2.0× the quietest.

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

Listings span $9.99–$35.19; the average listing price is $21.12 (sweet spot $15–$100). The average incumbent carries 830 reviews — the moat a new listing must climb.

Magnesium Glycinate for Kids

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

Avg price

Great$21.12

avg listing price — sweet spot $15–$100

Price range

Great$9.99–$35.19

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

Brand share

Great60%

top-5 brand share — no brand owns this niche

Market size

Good$726K

$726K/yr · 556K searches

Conversion

Good6.2%

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

Review moat

Good830.03

avg incumbent reviews — the moat a new listing must climb

Competition

Good50%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-16.2%

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

Is magnesium glycinate for kids profitable on Amazon?

According to Flapen's Amazon United States niche tracking, magnesium glycinate for kids is a $726K/yr Amazon United States market (556K searches/yr). The top 5 brands hold 60% of demand. Demand peaks in Apr. Verdict: Worth a look — 63/100.

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

magnesium glycinate for kids market size & sales

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

Units sold / yr: 30K–40K; avg 1,000–1,250/product
Revenue / yr: $634K–$845K; units × avg price
Conversion rate: 6.2%
Avg BSR: #416
Page quality: 0%
Prime: 100%
Sponsored: 94%
Out of stock: 0.0%
Avg brand age: 36 months
Avg seller age: 156 days

Competition: brands, sellers & click share

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

Brands

27 falling

Sellers

608

Top-5 brand share

60%

Top 20: 93%

Top-5 click share

50%

Top 20: 86%

Open market

34%

NEVISS22%
Hovika13%
Natural Vitality10%
ReviNutra8%
CFILIHTC6%
MARYRUTH'S6%

magnesium glycinate for kids demand & seasonality

Weekly Amazon search volume, last 104 weeks — -16.2% search growth over the last 90 days.

Peak months: Apr · busiest ÷ quietest = 2.0×

Open Trend

Top magnesium glycinate for kids search terms shoppers use

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

magnesium glycinate for kids213K/yr -20.3%4.6% conv.
kids magnesium glycinate115K/yr -16.7%5.9% conv.
magnesium glycinate kids114K/yr -13.0%5.0% conv.
magnesium glycinate gummies for kids42K/yr -4.8%4.8% conv.
magnesium glycinate gummies kids22K/yr +7.4%5.3% conv.
kids magnesium glycinate gummies16K/yr -18.3%5.9% conv.
magnesium glycinate kids gummies16K/yr -18.2%5.7% conv.
childrens magnesium glycinate10K/yr -22.4%6.1% conv.
magnesium glycinate for kids adhd8K/yr -46.2%2.1% conv.

All search terms

Top magnesium glycinate 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Magnesium Glycinate Gummies for Adults & Kids 4+ Sugar Free Magnesium Bisglycinate Supplement 400/200mg with B6D3 L-Theanine for Sleep & Relaxation Brain Muscle Melatonin Free Gummies 1Pack

NEVISS$20.024.5★1,360 rev

Magnesium Glycinate Liquid for Kids - with L-Theanine Omega-3 Vitamin B6 D3 Zinc - Kids Magnesium Drops for Sleep Relaxation Calm & Focus - 2 Fl Oz Strawberry Flavor

Hovika$17.584.6★924 rev

Natural Vitality Kids Calm | Magnesium Glycinate Gummies

Natural Vitality$16.374.3★82 rev

MaryRuths Kids Magnesium Gummies 50mg Magnesium Citrate for Kids 4+ 60ct

MARYRUTH'S$20.444.5★3,210 rev

Natures Truth Magnesium Gummies for Kids | Glycinate & Citrate | 50 Count

Nature's Truth$9.994.5★223 rev

Newest

by launch date

Magnesium Glycinate Gummies for Kids & Adults Melatonin Free Calm Magnesium Gummies with Citrate Malate B6 D3 Calcium & L-Theanine for Sleep Relaxation Bone & Muscle Magnesium for Kids 60 Counts

Selerb$18.1853 rev

5mo ago

Calm and Sleep Support for Kids and Teens with Magnesium and Melatonin-Free

OH MY CHEWY$17.59137 rev

6mo ago

Natural Vitality Kids Calm | Magnesium Glycinate Gummies

Natural Vitality$16.3782 rev

7mo ago

DLNIA Melatonin-Free Kids Magnesium Glycinate Gummies for Focus & Bedtime Relaxation 17-in-1 Multivitamin Formula Ages 4+ Calm Magnesium Gummies for Kids Wellness Vegan Sugar-Free 90 Count

DLNIA$28.4633 rev

8mo ago

Magnesium Glycinate Gummies 400/200mg for Kids & Adults NO Melatonin Sleep Aid Magnesium Supplement Gummies with Chamomile Lavender L-Theanine & GABA B6 D3 & K2 for Bone Relax Immune Support

GORNVB$18.61114 rev

8mo ago

What reviews say buyers love and hate about magnesium glycinate for kids

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

What buyers love

Sleep Quality32%

“Great for sleeping”

Taste-Overall15%

“Amazing taste”

Magnesium6%

“The best magnesium gummies”

Quality-Overall5%

“Excellent product”

Flavor4%

“Subtle flavor”

Stress/Anxiety3%

“Stress relief”

Efficiency3%

“Works Well”

Soothing Effect3%

“It gives me relaxation”

Ease Of Use2%

“Convenient,”

Ease Of Chewing/Swallowing2%

“They were chewy”

What buyers complain about

Sleep Quality22%

“has a hard time going to sleep”

Taste-Overall11%

“Bad tasting”

Functionality-Overall7%

“Did not work”

Magnesium5%

“These contain no magnesium”

Dosage4%

“the dosing is wrong”

Ingredients-Overall2%

“Unsafe ingredients”

Smell2%

“Smell bad”

Flavor2%

“Weird flavor”

Texture/Consistency-Overall2%

“Horrible texture”

Value For Money2%

“Waste of Money”

Top return reasons

Flavor15%

Taste-Overall15%

Magnesium12%

Age Suitability6%

Acid Regulator/Stomach Ache Relief6%

Sweetness6%

Value For Money6%

Functionality-Overall6%

Joint Pain3%

Salt Content3%

Common magnesium glycinate for kids questions

Is magnesium glycinate for kids profitable to sell on Amazon United States?: The niche generates $726K/yr across 33 tracked products. 10 of 11 products launched in the last 360 days are still selling. 90-day search growth is -16.2%. Flapen's verdict: Worth a look (63/100).
How competitive is the magnesium glycinate for kids niche?: 27 brands and 608 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 60% of demand.
What do buyers complain about in magnesium glycinate for kids?: Top complaints mined from reviews: Sleep Quality, Taste-Overall, Functionality-Overall. The return rate is 0.0%.
When does demand for magnesium glycinate for kids peak?: Demand peaks in Apr; the busiest month runs 2.0× the quietest.
What does it cost to enter the magnesium glycinate for kids niche?: Listings span $9.99–$35.19; the average listing price is $21.12 (sweet spot $15–$100). The average incumbent carries 830 reviews — the moat a new listing must climb.