Is magnesium liquid profitable to sell on Amazon United Kingdom?

The niche generates £49K/yr across 25 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -28.3%. Flapen's verdict: Worth a look (50/100).

How competitive is the magnesium liquid niche?

19 brands and 43 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 60% of demand.

What do buyers complain about in magnesium liquid?

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

When does demand for magnesium liquid peak?

Demand peaks in Jan–Feb; the busiest month runs 1.7× the quietest.

What does it cost to enter the magnesium liquid niche?

Listings span £6.03–£26.85; the average listing price is £14.07 (sweet spot $15–$100). The average incumbent carries 1,660 reviews — the moat a new listing must climb.

magnesium liquid

Worth a look

Shows low returns (0.1%), but soft demand (-28.3% this quarter) keeps it on the watch list.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Brand share

Great60%

top-5 brand share — no brand owns this niche

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Avg price

Good£14.07

avg listing price — sweet spot $15–$100

Price range

Good£6.03–£26.85

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

Conversion

Good4.6%

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

Competition

Good54%

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

Review moat

Okay1,659.64

avg incumbent reviews — the moat a new listing must climb

Market size

Bad£49K

£49K/yr · 76K searches

Growth

Bad-28.3%

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

Signals Low Review Barrier

According to Flapen's Amazon United Kingdom niche tracking, magnesium liquid is a £49K/yr Amazon United Kingdom market (76K searches/yr). The top 5 brands hold 60% of demand. Demand peaks in Jan–Feb. Verdict: Worth a look — 50/100.

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

magnesium liquid market data

Units sold / yr: 4K–5K; avg 100–250/product
Revenue / yr: £56K–£70K; units × avg price
Conversion rate: 4.6%
Avg BSR: #292
Page quality: 0%
Prime: 96%
Sponsored: 92%
Out of stock: 2.1%
Avg brand age: 45 months
Avg seller age: 173 days

Competition & brand share

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

Brands

19 rising

Sellers

Top-5 brand share

60%

Top 20: 100%

Top-5 click share

54%

Top 20: 95%

Open market

34%

OBNOSWLPJMN21%
IWKDIJ18%
Good State7%
XAYGHE7%
Supa-Supps6%
Tamiodfo6%

Demand & seasonality

Weekly Amazon search volume, last 86 weeks — -28.3% search growth over the last 90 days.

Peak months: Jan, Feb · busiest ÷ quietest = 1.7×

Open Trend

Top magnesium liquid search terms

liquid magnesium glycinate15K/yr -21.3%3.7% conv.
liquid magnesium18K/yr -20.4%4.6% conv.
magnesium liquid16K/yr -21.8%4.8% conv.
magnesium drops11K/yr -40.3%4.6% conv.
magnesium glycinate liquid10K/yr -33.6%4.3% conv.
magnesium glycinate drops7K/yr -46.3%4.9% conv.

All search terms

Top magnesium liquid 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Magnesium Glycinate Liquid Drops Liquid Magnesium Complex with Glycinate Taurate Cellulose Fiber Bromelain Vitamin B6 C D and Zinc Strawberry Flavor 2 Fl Oz

OBNOSWLPJMN£7.004.4★155 rev

Magnesium Glycinate Supplement Natural Magnesium Drops Taurate Cellulose Fiber for Cortisol Sleep Stress Muscle Brain Nerve Health-Sugar Free

IWKDIJ£7.334.3★158 rev

Magnesium Glycinate Liquid Drops - Liquid Magnesium Complex Supplement - Pineapple Flavour High Absorption Vegan & Non-GMO Support Muscle Relaxation Bowel Health & Sleep 60ml

XAYGHE£8.034.5★36 rev

Magnesium Glycinate 3-in-1 Liquid Drops | 1500mg High Absorption | Sleep Muscle & Mood Support | Bioavailable Formula with Zinc B6 C & D Green Apple Flavour 60ml

MACOAA£15.234.2★49 rev

Good State£16.504.4★1,762 rev

Newest

by launch date

Healthy Metal Magnesium Drink Mix Sachets for Sleep Relaxation & Daily Support Magnesium Glycinate Powder Raspberry Lemon Flavour Easy to Mix Supplement 5 Sachets

Healthy Metal£6.79132 rev

4mo ago

Magnesium Glycinate Drops 60ml Magnesium Glycinate Complex with Cellulose Fiber Vitamins Magnesium Glycinate Supplement for Cortisol Sleep Stress | Fast Absorption

HEXIN£6.4814 rev

6mo ago

Magnesium Glycinate Liquid 60ml - Mango & Passion Fruit Flavour | Supa Supps Magnesium Glycinate 3-in-1 Complex | Fast Absorption | Premium Pure Formula Easy-to-Take Supplement for Daily Balance

Supa-Supps£10.1668 rev

9mo ago

Magnesium Glycinate 3-in-1 Liquid Drops | 1500mg High Absorption | Sleep Muscle & Mood Support | Bioavailable Formula with Zinc B6 C & D Green Apple Flavour 60ml

MACOAA£15.2349 rev

11mo ago

New Nordic Magic Magnesium Glycinate Shot Tiredness & Muscles 240mg 15ct

New Nordic Ltd£23.75278 rev

1y ago

What buyers say about magnesium liquid

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

What buyers love

Sleep Quality26%

“HELPS WITH SLEEP”

Quality-Overall14%

“Good product x”

Magnesium11%

“Best magnesium capsules”

Value For Money9%

“Excellent value for money”

Advertised Vs Actual Product5%

“As Advertised”

Muscle Pain Relief4%

“less muscle aches”

Efficiency3%

“Works perfectly”

Ease Of Use3%

“Easy to use”

Ease Of Chewing/Swallowing3%

“i've found no problem in swallowing them”

Vitamin2%

“Vitamins, easy to swallow good amount of supply”

What buyers complain about

Sleep Quality14%

“still cant sleep”

Functionality-Overall8%

“It does absolutely nothing”

Magnesium8%

“This magnesium does not work”

Acid Regulator/Stomach Ache Relief6%

“Gives you stomach cramps”

Dosage6%

“the misleading dosage”

Side Effects4%

“Will make you ill”

Size-Overall4%

“Quite big tablets”

Advertised Vs Actual Product4%

“It's not as described”

Value For Money3%

“Too expensive”

Taste-Overall3%

“the taste was just too gross”

Top return reasons

Joint Pain50%

Magnesium50%

Common questions

Is magnesium liquid profitable to sell on Amazon United Kingdom?: The niche generates £49K/yr across 25 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -28.3%. Flapen's verdict: Worth a look (50/100).
How competitive is the magnesium liquid niche?: 19 brands and 43 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 60% of demand.
What do buyers complain about in magnesium liquid?: Top complaints mined from reviews: Sleep Quality, Functionality-Overall, Magnesium. The return rate is 0.1%.
When does demand for magnesium liquid peak?: Demand peaks in Jan–Feb; the busiest month runs 1.7× the quietest.
What does it cost to enter the magnesium liquid niche?: Listings span £6.03–£26.85; the average listing price is £14.07 (sweet spot $15–$100). The average incumbent carries 1,660 reviews — the moat a new listing must climb.