Is magnesium complex 12 in 1 profitable to sell on Amazon United Kingdom?

The niche generates £39K/yr across 22 tracked products. 5 of 12 products launched in the last 360 days are still selling. 90-day search growth is +17.4%. Flapen's verdict: Worth a look (53/100).

How competitive is the magnesium complex 12 in 1 niche?

19 brands and 24 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 61% of demand.

What do buyers complain about in magnesium complex 12 in 1?

Top complaints mined from reviews: Sleep Quality, Magnesium, Functionality-Overall. The return rate is 0.1%.

What does it cost to enter the magnesium complex 12 in 1 niche?

Listings span £6.78–£26.17; the average listing price is £13.33 (sweet spot $15–$100). The average incumbent carries 2,031 reviews — the moat a new listing must climb.

magnesium complex 12 in 1

Worth a look

Shows low returns (0.1%), but a small market ($39K/yr) keeps it on the watch list.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Brand share

Good61%

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

Conversion

Good5.5%

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

Avg price

Good£13.33

avg listing price — sweet spot $15–$100

Competition

Good50%

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

Price range

Good£6.78–£26.17

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

Growth

Okay+17.4%

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

Review moat

Okay2,030.64

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Bad£39K

£39K/yr · 53K searches

Signals Low Review Barrier

According to Flapen's Amazon United Kingdom niche tracking, magnesium complex 12 in 1 is a £39K/yr Amazon United Kingdom market (53K searches/yr). The top 5 brands hold 61% of demand. Verdict: Worth a look — 53/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

magnesium complex 12 in 1 market data

Units sold / yr: 3K–4K; avg 100–250/product
Revenue / yr: £40K–£53K; units × avg price
Conversion rate: 5.5%
Avg BSR: #468
Page quality: 0%
Prime: 91%
Sponsored: 68%
Out of stock: 6.7%
Avg brand age: 28 months
Avg seller age: 196 days

Competition & brand share

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

Brands

19 rising

Sellers

Top-5 brand share

61%

Top 20: 100%

Top-5 click share

50%

Top 20: 98%

Open market

34%

AuranC-H22%
Generic13%
Bound Nutrition12%
HealthEssent7%
GB PREMIUM6%
Macro Greens5%

Demand

Weekly Amazon search volume, last 38 weeks — +17.4% search growth over the last 90 days.

Open Trend

Top magnesium complex 12 in 1 search terms

magnesium complex 12 in 123K/yr +55.4%4.9% conv.
magnesium 12 in 1 complex13K/yr +209.7%5.1% conv.
magnesium complex 8 in 117K/yr -54.6%7.2% conv.

All search terms

Top magnesium complex 12 in 1 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 22 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Magnesium Glycinate Supplements Magnesium glycinate 25-in-1 Supplement with Glycinate Citrate Malate Oxide Taurate Aspartate Orotate Magnesium Relaxation Muscle Heart Support 120 Capsules

AuranC-H£20.004.5★33 rev

Magnesium Complex 12-in-1 700mg per Serving with Glycinate Citrate Malate Oxide Taurate Aspartate Orotate - High Absorption - Sleep Muscle Support Energy Nerve & Heart Health - 90 Capsules

Bound Nutrition£15.174.8★18 rev

25-in-1 Magnesium Complex with Methylated B Complex Magnesium Glycinate Citrate Malate Taurate Gluconate Aspartate Carbonate D3 K2 Magnesium Complex Supplement for Relaxation Energy & Nerve

AuranC-H£21.035.0★6 rev

Magnesium Complex 12 in 1 Magnesium Supplement Muscle Heart Support Vegan

Generic£26.173.3★3 rev

Magnesium 6-in-1 Complex 2325mg with Magnesium Glycinate Citrate Malate Oxide Taurate and Orotate - Muscle Nerve & Energy Support - High Absorption 390mg Elemental - 120 Capsules by HealthEssent

HealthEssent£8.284.6★1,067 rev

Newest

by launch date

GB Premium Magnesium 12-in-1 Complex 700mg per Serving with Bisglycinate Malate Taurate & Oxide 120 Capsules

GB PREMIUM£21.772 rev

2mo ago

12 in 1 Magnesium - High Absorption for Muscle Heart Sleep Bone Nerve Support - Vegan

Generic£24.981 rev

2mo ago

Magnesium Complex 12-in-1 700mg per Serving with Glycinate Citrate Malate Oxide Taurate Aspartate Orotate - High Absorption - Sleep Muscle Support Energy Nerve & Heart Health - 90 Capsules

Bound Nutrition£15.1718 rev

4mo ago

Magnesium Complex Supplement 90 Count 8-in-1 Magnesium Complex Capsules Easy Absorption for Sleep Muscle Relaxation Nerve & Heart Health Energy Non-GMO Vegan

BOIUOITI£10.05200 rev

5mo ago

Magnesium Complex 12 in 1 Magnesium Supplement Muscle Heart Support Vegan

Generic£26.173 rev

6mo ago

What buyers say about magnesium complex 12 in 1

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

What buyers love

Sleep Quality24%

“Helps me to sleep”

Quality-Overall15%

“Amazing quality”

Magnesium12%

“Best magnesium supplement around”

Value For Money9%

“Fair price”

Advertised Vs Actual Product5%

“As Advertised”

Muscle Pain Relief4%

“whilst this helps with stiff muscles”

Ease Of Chewing/Swallowing3%

“smooth to swallow”

Efficiency3%

“Does the job”

Vitamin2%

“The supplements really work”

Ease Of Use2%

“Ease of Use”

What buyers complain about

Sleep Quality13%

“still cant sleep”

Magnesium9%

“This magnesium does not work”

Functionality-Overall6%

“It does absolutely nothing”

Size-Overall6%

“Extremely large”

Dosage5%

“The dose is misleading”

Acid Regulator/Stomach Ache Relief5%

“Gives you stomach cramps”

Ease Of Chewing/Swallowing5%

“painful to swallow”

Side Effects4%

“However, I have had some uncomfortable side effects:”

Value For Money3%

“Waste of money”

Quality-Overall2%

“Absolutely rubbish”

Top return reasons

Magnesium50%

Joint Pain50%

Common questions

Is magnesium complex 12 in 1 profitable to sell on Amazon United Kingdom?: The niche generates £39K/yr across 22 tracked products. 5 of 12 products launched in the last 360 days are still selling. 90-day search growth is +17.4%. Flapen's verdict: Worth a look (53/100).
How competitive is the magnesium complex 12 in 1 niche?: 19 brands and 24 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 61% of demand.
What do buyers complain about in magnesium complex 12 in 1?: Top complaints mined from reviews: Sleep Quality, Magnesium, Functionality-Overall. The return rate is 0.1%.
What does it cost to enter the magnesium complex 12 in 1 niche?: Listings span £6.78–£26.17; the average listing price is £13.33 (sweet spot $15–$100). The average incumbent carries 2,031 reviews — the moat a new listing must climb.