Skip to content
45

Magnesium for Teens

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 53Growth 24Conversion 78Competition 12Returns 100Price range 79Avg price 87Brand share 0Review moat 24Quality gap 47

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$19.96

avg listing price — sweet spot $15–$100

Price range

Great$11.55–$28.29

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

Conversion

Great7.7%

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

Market size

Good$342K

$342K/yr · 222K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-2.6%

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

Review moat

Bad6,281.64

avg incumbent reviews — the moat a new listing must climb

Competition

Bad86%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Is magnesium for teens profitable on Amazon?

According to Flapen's Amazon United States niche tracking, magnesium for teens is a $342K/yr Amazon United States market (222K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 45/100.

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

magnesium for teens market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.
Units sold / yr
20K–25K
avg 2,500–3,000/product
Revenue / yr
$399K–$499K
units × avg price
Conversion rate
7.7%
Avg BSR
#186
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.0%
Avg brand age
48 months
Avg seller age
153 days

Competition: brands, sellers & click share

The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 falling

Sellers

586

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

86%

Top 20: 100%

Open market

0%

  • OLLY56%
  • Garden of Life29%
  • OH MY CHEWY13%
  • Pure Encapsulations2%

magnesium for teens demand & seasonality

Weekly Amazon search volume, last 43 weeks — -2.6% search growth over the last 90 days.
5K3KSpike '25Black Friday '25Spike '26Oct '25Nov '25Jan '26Mar '26Apr '26Jun '26

Top magnesium for teens search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.
  • olly magnesium gummies49K/yr
  • garden of life magnesium39K/yr
  • garden of life magnesium glycinate18K/yr
  • olly magnesium16K/yr
  • garden of life magnesium gummies15K/yr
  • olly relaxing magnesium gummies12K/yr
  • oh my chewy magnesium glycinate gummies11K/yr
  • magnesium glycinate garden of life8K/yr
  • magnesium garden of life8K/yr
  • oh my chewy6K/yr
All search terms

Top magnesium for teens 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.

0%10%$34K20%$68K30%$103K40%$137K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 11 tracked products in this niche — three views at once, no toggling.

What reviews say buyers love and hate about magnesium for teens

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

What buyers love

Sleep Quality24%

“Help with sleep”

Quality-Overall14%

“High quality Suppliment”

Magnesium11%

“Best magnesium ever”

Taste-Overall6%

“Amazing taste”

Vitamin4%

“Great vitamin supplement”

Advertised Vs Actual Product3%

“As advertised”

Stress/Anxiety3%

“less stress”

Muscle Pain Relief2%

“Eases muscle cramping”

Ease Of Chewing/Swallowing2%

“not too chewy”

Flavor2%

“Pleasant orange cream flavor”

What buyers complain about

Sleep Quality15%

“I was having trouble sleeping”

Functionality-Overall6%

“in my case it just didnt stand out as particularly effective”

Magnesium6%

“Magnesium deficiency”

Side Effects5%

“Bad Side effects”

Quality-Overall4%

“Poor quality control”

Taste-Overall4%

“Not a great taste”

Dosage4%

“High dose”

Acid Regulator/Stomach Ache Relief4%

“Caused Stomach Issues”

Value For Money3%

“its a little pricey”

Size-Overall3%

“Very small dose”

Top return reasons

Magnesium22%
Functionality-Overall13%
Dosage12%
Value For Money11%
Acid Regulator/Stomach Ache Relief8%
Size-Overall5%
Sleep Quality5%
Side Effects3%
Taste-Overall3%
Age Suitability3%

Common magnesium for teens questions

Is magnesium for teens profitable to sell on Amazon United States?
The niche generates $342K/yr across 11 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -2.6%. Flapen's verdict: Skip it (45/100).
How competitive is the magnesium for teens niche?
4 brands and 586 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in magnesium for teens?
Top complaints mined from reviews: Sleep Quality, Functionality-Overall, Magnesium. The return rate is 0.0%.
What does it cost to enter the magnesium for teens niche?
Listings span $11.55–$28.29; the average listing price is $19.96 (sweet spot $15–$100). The average incumbent carries 6,282 reviews — the moat a new listing must climb.