Is carbonato de magnesio profitable to sell on Amazon United States?

The niche generates $221K/yr across 23 tracked products. 5 of 11 products launched in the last 360 days are still selling. 90-day search growth is -8.6%. Flapen's verdict: Worth a look (52/100).

How competitive is the carbonato de magnesio niche?

20 brands and 27 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 72% of demand.

What do buyers complain about in carbonato de magnesio?

Top complaints mined from reviews: Dosage, Magnesium, Value For Money. The return rate is 0.0%.

When does demand for carbonato de magnesio peak?

Demand peaks in Jun–Jul–Aug; the busiest month runs 8.3× the quietest.

What does it cost to enter the carbonato de magnesio niche?

Listings span $7.69–$48.45; the average listing price is $18.63 (sweet spot $15–$100). The average incumbent carries 1,684 reviews — the moat a new listing must climb.

carbonato de magnesio

Worth a look

Shows low returns (0.0%), but soft demand (-8.6% this quarter) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$18.63

avg listing price — sweet spot $15–$100

Price range

Great$7.69–$48.45

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Good72%

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

Conversion

Good4.5%

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

Review moat

Okay1,684.26

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$221K

$221K/yr · 265K searches

Competition

Okay65%

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

Growth

Bad-8.6%

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

Signals Low Review Barrier

According to Flapen's Amazon United States niche tracking, carbonato de magnesio is a $221K/yr Amazon United States market (265K searches/yr). The top 5 brands hold 72% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Worth a look — 52/100.

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

carbonato de magnesio market data

Units sold / yr: 10K–13K; avg 250–500/product
Revenue / yr: $186K–$233K; units × avg price
Conversion rate: 4.5%
Avg BSR: #1,621
Page quality: 0%
Prime: 100%
Sponsored: 74%
Out of stock: 10.9%
Avg brand age: 64 months
Avg seller age: 159 days

Competition & brand share

The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.

Brands

20 falling

Sellers

Top-5 brand share

72%

Top 20: 100%

Top-5 click share

65%

Top 20: 97%

Open market

23%

duwhot20%
NutriVivency18%
Lenico Comercializadora14%
BulkSupplements11%
Generic9%
PURE ORIGINAL INGREDIENTS5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -8.6% search growth over the last 90 days.

Peak months: Jun, Jul, Aug · busiest ÷ quietest = 8.3×

Open Trend

Top carbonato de magnesio search terms

magnesium carbonate156K/yr -2.1%4.6% conv.
carbonato de magnesio44K/yr -8.3%3.5% conv.
magnesium carbonate capsules24K/yr +190.0%6.1% conv.
carbonato de magnesio puro10K/yr -28.6%2.4% conv.
magnesio carbonato9K/yr -17.3%4.2% conv.
magnesium carbonate supplement4K/yr +7.9%4.0% conv.
magnesio carbonato de alta calidad3K/yr +270.0%2.7% conv.
magnesium carbonate for belly fat11K/yr -97.7%2.9% conv.
magnesium carbonate pills2K/yr -11.3%5.5% conv.

All search terms

Top carbonato de magnesio products on Amazon

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

Top sellers

by 90-day click share

duwhot Magnesium Carbonate 500mg 90 Capsules

duwhot$22.004.5★106 rev

Magnesium Carbonate Capsules 500mg Magnesium Carbonate Supplement with Calcium Inositol Vitamin B2 B6 D3 K2 Zinc for Bone Health Muscle & Digestive Support Vegan Non-GMO 90 Capsules

NutriVivency$20.754.5★70 rev

BulkSupplements.com Magnesium Carbonate Powder - Magnesium Supplement Mag Carbonate Powder - Pure Magnesium Gluten Free 875mg (210mg Magnesium) per Serving 500g (1.1 lbs)

BulkSupplements$19.584.3★979 rev

LENICO Magnesium Carbonate Cubes | Pack of 3 x 7 g Each | Natural Dietary Supplement Gluten-Free Vegan Food Grade Made in Mexico

Lenico Comercializadora$17.004.2★45 rev

Magnesium Carbonate 7g x 4 Cubes (Pack) Pure Magnesium Carbonate Food Grade Non-GMO Gluten-Free Vegan Carbonato de Magnesio en Cubos Hecho en Mxico

Generic$22.204.3★144 rev

Newest

by launch date

Magnesium Complex for Women & Men 500mg (7-in-1) Magnesium Glycinate with Vegan D3 B6 and Manganese (Made In USA) + Gluconate Citrate Malate Taurate Orotate Carbonate (Oxide-Free) Small Capsule

Etta Vita$26.28402 rev

4mo ago

softbear Magnesium Carbonate Gummies 500mg Sugar-Free Magnesium Supplement Gummies for Adults & Kids Support Bone & Muscle & Digestive Health Vegan/Organic Strawberry Flavor 60 Count

softbear$7.6939 rev

7mo ago

Magnesium Carbonate Capsules 500mg Magnesium Carbonate Supplement with Calcium Vitamin B6 D3 Zinc for Digestive Muscle & Nerve Health Gentle & High Absorption Vegan Non-GMO 90

HOLLEGEND$11.1618 rev

9mo ago

Magnesium Carbonate 500mg Gummies Raspberry Flavor 60 Count

Youlikee$11.1343 rev

10mo ago

Magnesium Carbonate Cubes 12 Pack | Pure Food Grade Non-GMO Gluten-Free Vegan | Easy to Dissolve Natural Wellness Mineral Made in Mexico LENICO

Lenico Comercializadora$48.4522 rev

10mo ago

What buyers say about carbonato de magnesio

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

What buyers love

Magnesium19%

“Best magnesium ive got so far”

Sleep Quality17%

“improve sleep”

Quality-Overall13%

“EXCELLENT PRODUCT”

Value For Money5%

“Great value”

Vitamin4%

“These have a good collection of vitamins”

Muscle Pain Relief4%

“helps relax muscles”

Efficiency4%

“Works ok”

Ease Of Chewing/Swallowing3%

“The capsules are easy to pass”

Advertised Vs Actual Product3%

“As described”

Ease Of Use3%

“The capsules are convenient”

What buyers complain about

Dosage10%

“The dosage on the bottle conflicts with the dosage stated on the Amazon site”

Magnesium9%

“I did not like this Magnesium supplement”

Value For Money9%

“Not a great value”

Sleep Quality7%

“This does not help me sleep”

Taste-Overall5%

“Off taste”

Functionality-Overall5%

“Doesn't work”

Quality-Overall4%

“Poor Quality Control”

Acid Regulator/Stomach Ache Relief4%

“Very mild on the stomach”

Side Effects3%

“Caused severe diarrhea after one dose”

Pain Relief-Overall2%

“Inflammation like pain”

Top return reasons

Magnesium21%

Acid Regulator/Stomach Ache Relief14%

Joint Pain14%

Vitamin14%

Value For Money14%

Ingredients-Overall14%

Heart Health7%

Common questions

Is carbonato de magnesio profitable to sell on Amazon United States?: The niche generates $221K/yr across 23 tracked products. 5 of 11 products launched in the last 360 days are still selling. 90-day search growth is -8.6%. Flapen's verdict: Worth a look (52/100).
How competitive is the carbonato de magnesio niche?: 20 brands and 27 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 72% of demand.
What do buyers complain about in carbonato de magnesio?: Top complaints mined from reviews: Dosage, Magnesium, Value For Money. The return rate is 0.0%.
When does demand for carbonato de magnesio peak?: Demand peaks in Jun–Jul–Aug; the busiest month runs 8.3× the quietest.
What does it cost to enter the carbonato de magnesio niche?: Listings span $7.69–$48.45; the average listing price is $18.63 (sweet spot $15–$100). The average incumbent carries 1,684 reviews — the moat a new listing must climb.