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47

Magnesium Aspartate

Skip it

A small market ($65K/yr) — this niche doesn't clear our bar today.

Market size 16Growth 29Conversion 65Competition 38Returns 100Price range 72Avg price 88Brand share 55Review moat 38Quality gap 27

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$20.39

avg listing price — sweet spot $15–$100

Price range

Good$6.64–$36.46

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

Conversion

Good5.8%

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

Brand share

Good72%

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

Competition

Okay62%

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

Review moat

Okay2,683.3

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+3.0%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Market size

Bad$65K

$65K/yr · 55K searches

Is magnesium aspartate profitable on Amazon?

According to Flapen's Amazon United States niche tracking, magnesium aspartate is a $65K/yr Amazon United States market (55K searches/yr). The top 5 brands hold 72% of demand. Verdict: Skip it — 47/100.

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

magnesium aspartate market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.
Units sold / yr
3K–4K
avg 100–250/product
Revenue / yr
$61K–$82K
units × avg price
Conversion rate
5.8%
Avg BSR
#788
Page quality
0%
Prime
100%
Sponsored
75%
Out of stock
5.7%
Avg brand age
76 months
Avg seller age
158 days

Competition: brands, sellers & click share

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 flat

Sellers

408

Top-5 brand share

72%

Top 20: 100%

Top-5 click share

62%

Top 20: 100%

Open market

23%

  • Vitamatic25%
  • SOLARAY22%
  • BlueBonnet15%
  • Pure Encapsulations5%
  • Horbäach5%
  • NOW Foods5%

magnesium aspartate demand & seasonality

Weekly Amazon search volume, last 43 weeks — +3.0% search growth over the last 90 days.
2K2KSpike '26Prime Day '26Oct '25Nov '25Jan '26Mar '26Apr '26Jun '26

Top magnesium aspartate search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.
  • magnesium aspartate45K/yr
  • aspartato de magnesio4K/yr
  • aspartate3K/yr
  • magnesium aspartate supplement3K/yr
All search terms

Top magnesium aspartate 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%$6K20%$13K30%$19K40%$26K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 20 tracked products in this niche — three views at once, no toggling.

What reviews say buyers love and hate about magnesium aspartate

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

What buyers love

Quality-Overall19%

“They are good quality and reliable,”

Magnesium17%

“Best magnesium supplement overall”

Sleep Quality16%

“Better Sleep”

Vitamin6%

“Good vitamin”

Advertised Vs Actual Product5%

“Just as described”

Value For Money4%

“Low price”

Efficiency4%

“Effective Combination”

Muscle Pain Relief4%

“Muscles thank me”

Joint Pain2%

“Good for leg cramps”

Regulates Digestion2%

“Digestive”

What buyers complain about

Magnesium14%

“The magnesium amounts are ineffective”

Functionality-Overall11%

“Didnt work like I wanted”

Side Effects8%

“Made me sick”

Dosage5%

“Only help me to go to the bathroo to drink because it is 700mg”

Acid Regulator/Stomach Ache Relief5%

“my stomach kept hurting”

Vitamin4%

“Im hesitant to take this supplement”

Quality-Overall3%

“Garbage”

Muscle Pain Relief3%

“I was end up with severe muscle spasms”

Advertised Vs Actual Product3%

“False advertisement”

Joint Pain3%

“Wasn't helpful for foot neuropathy”

Top return reasons

Magnesium57%
Side Effects14%
Functionality-Overall14%
Dosage14%

Common magnesium aspartate questions

Is magnesium aspartate profitable to sell on Amazon United States?
The niche generates $65K/yr across 20 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +3.0%. Flapen's verdict: Skip it (47/100).
How competitive is the magnesium aspartate niche?
14 brands and 408 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 72% of demand.
What do buyers complain about in magnesium aspartate?
Top complaints mined from reviews: Magnesium, Functionality-Overall, Side Effects. The return rate is 0.0%.
What does it cost to enter the magnesium aspartate niche?
Listings span $6.64–$36.46; the average listing price is $20.39 (sweet spot $15–$100). The average incumbent carries 2,683 reviews — the moat a new listing must climb.