Is cuprose magnesium complex profitable to sell on Amazon United States?

The niche generates $0/yr across 20 tracked products. 6 of 6 products launched in the last 360 days are still selling. 90-day search growth is >1,000%. Flapen's verdict: Worth a look (52/100).

How competitive is the cuprose magnesium complex niche?

17 brands and 66 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 58% of demand.

What do buyers complain about in cuprose magnesium complex?

Top complaints mined from reviews: Magnesium, Sleep Quality, Dosage. The return rate is 0.0%.

What does it cost to enter the cuprose magnesium complex niche?

Listings span $10.02–$39.02; the average listing price is $20.94 (sweet spot $15–$100). The average incumbent carries 5,482 reviews — the moat a new listing must climb.

cuprose magnesium complex

Worth a look

Shows demand growing >1,000% this quarter, but a small market ($0/yr) keeps it on the watch list.

Growth

Incredible>1,000%

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

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$20.94

avg listing price — sweet spot $15–$100

Price range

Great$10.02–$39.02

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

Brand share

Great58%

top-5 brand share — no brand owns this niche

Competition

Okay57%

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

Review moat

Bad5,481.7

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Market size

Bad$0

$0/yr · 32K searches

Conversion

Bad0.0%

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

Signals Trending No Dominant Brand

According to Flapen's Amazon United States niche tracking, cuprose magnesium complex is a $0/yr Amazon United States market (32K searches/yr). The top 5 brands hold 58% of demand. Verdict: Worth a look — 52/100.

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

cuprose magnesium complex market data

Units sold / yr: 500–750; avg 0–100/product
Revenue / yr: $10K–$16K; units × avg price
Conversion rate: 0.0%
Avg BSR: #209
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.7%
Avg brand age: 43 months
Avg seller age: 155 days

Competition & brand share

The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.

Brands

Sellers

Top-5 brand share

58%

Top 20: 100%

Top-5 click share

57%

Top 20: 100%

Open market

34%

Toplux17%
Vitalibre13%
BioEmblem12%
Micro Ingredients8%
Vccvaa8%
Gulapelst7%

Top cuprose magnesium complex search terms

cuprose magnesium complex24K/yr >1,000%1.7% conv.
cuprose magnesium5K/yr >1,000%0.7% conv.
cuprose magnesium complex for women3K/yr >1,000%1.4% conv.

All search terms

Top cuprose magnesium complex 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 20 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Magnesium Complex Supplement 8 Elemental 1000mg - Magnesium Glycinate Citrate Malate Taurate Chelated for Easy Absorption for Bones Muscle Recovery Energy Vegan Non-GMO 90 Capsules

Toplux$28.464.6★6,948 rev

BioEmblem Triple Magnesium Complex | 300mg Magnesium Glycinate Malate & Citrate | High Absorption Chelated Formula | Vegan Non-GMO Gluten-Free | 90 Capsules

BioEmblem$26.084.6★32,186 rev

Vitalibre 10 in 1 Magnesium Complex 420mg Elemental Magnesium 120 Capsules

Vitalibre$10.024.7★7,920 rev

Magnesium Complex for Women | Glycinate Citrate & More 20-in-1 Formula with D3 K2 (MK-7) B6 (as P5P) & Ashwagandha | 240 Vegetarian Capsules Filler Free Non-GMO

Micro Ingredients$23.464.6★247 rev

Magnesium Complex 700mg | 12-in-1 High Absorption Supplement | Glycinate Citrate Malate Taurate & More | Sleep Support Muscle Cramp Relief Stress Heart Bone & Nerve Health | 120 Vegan Capsules

Vccvaa$10.134.6★2,810 rev

Newest

by launch date

1000mg Magnesium Complex 8 in 1 for Women & Men Vegan Magnesium Supplement

BOSNETHUINH$10.98186 rev

3mo ago

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

Vitalibre 15 in 1 Magnesium Complex 510mg for Women & Men 120 Capsules

Vitalibre$10.31205 rev

7mo ago

29-in-1 Liposomal 18 Active Types Magnesium Complex 1400MG Capsule Citrate Glycinate Malate etc Mild & Efficient Extra Vitamin B6 B12 D3K2 & CoQ10 Relaxation Nerve* & Hert* Support

Oakevlp$23.51106 rev

8mo ago

Magnesium Complex for Women | Glycinate Citrate & More 20-in-1 Formula with D3 K2 (MK-7) B6 (as P5P) & Ashwagandha | 240 Vegetarian Capsules Filler Free Non-GMO

Micro Ingredients$23.46247 rev

9mo ago

What buyers say about cuprose magnesium complex

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

What buyers love

Sleep Quality18%

“Deep sleep”

Magnesium17%

“Best Magnesium Product”

Quality-Overall15%

“overall quality seems solid”

Vitamin5%

“Quality vitamins”

Value For Money4%

“Good value for money”

Advertised Vs Actual Product4%

“Exactly as advertised”

Muscle Pain Relief4%

“muscle recovery”

Efficiency4%

“Effective”

Taste-Overall2%

“have no unpleasant taste”

Ease Of Chewing/Swallowing2%

“Easy to swallow”

What buyers complain about

Magnesium12%

“I did not like this Magnesium supplement”

Sleep Quality11%

“Didnt help with sleep”

Dosage8%

“BEWARE: Way too high of dose for me”

Functionality-Overall6%

“Did not work”

Side Effects6%

“Made me sick”

Acid Regulator/Stomach Ache Relief5%

“Stomach pain”

Value For Money4%

“OUTRAGEOUS PRICE”

Quality-Overall2%

“Poor Quality Control”

Size-Overall2%

“Too big”

Regulates Digestion2%

“Causes constipation”

Top return reasons

Magnesium20%

Functionality-Overall18%

Ingredients-Overall10%

Dosage7%

Side Effects7%

Acid Regulator/Stomach Ache Relief6%

Sleep Quality4%

Vitamin3%

Advertised Vs Actual Product2%

Language Issues2%

Common questions

Is cuprose magnesium complex profitable to sell on Amazon United States?: The niche generates $0/yr across 20 tracked products. 6 of 6 products launched in the last 360 days are still selling. 90-day search growth is >1,000%. Flapen's verdict: Worth a look (52/100).
How competitive is the cuprose magnesium complex niche?: 17 brands and 66 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 58% of demand.
What do buyers complain about in cuprose magnesium complex?: Top complaints mined from reviews: Magnesium, Sleep Quality, Dosage. The return rate is 0.0%.
What does it cost to enter the cuprose magnesium complex niche?: Listings span $10.02–$39.02; the average listing price is $20.94 (sweet spot $15–$100). The average incumbent carries 5,482 reviews — the moat a new listing must climb.