Skip to content
51

liquid iron

Worth a look

Shows low returns (0.1%), but brand-locked demand (top 5 brands take 98% of clicks) keeps it on the watch list.

Market size 85Growth 19Conversion 98Competition 24Returns 99Price range 70Avg price 76Brand share 5Review moat 31Quality gap 23

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible17.0%

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

Market size

Great£1.4M

£1.4M/yr · 543K searches

Avg price

Great£15.53

avg listing price — sweet spot $15–$100

Price range

Good£5.26–£37.94

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

Review moat

Okay3,402.81

avg incumbent reviews — the moat a new listing must climb

Competition

Bad71%

top-5 click share — a locked-up shelf

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-12.9%

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

Brand share

Bad98%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, liquid iron is a £1.4M/yr Amazon United Kingdom market (543K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in May. Verdict: Worth a look — 51/100.

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

liquid iron market data

Units sold / yr
80K–100K
avg 4,000–5,000/product
Revenue / yr
£1.2M–£1.6M
units × avg price
Conversion rate
17.0%
Avg BSR
#73
Page quality
0%
Prime
94%
Sponsored
63%
Out of stock
0.0%
Avg brand age
55 months
Avg seller age
164 days

Competition & brand share

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 falling

Sellers

98

Top-5 brand share

98%

Top 20: 100%

Top-5 click share

71%

Top 20: 100%

Open market

0%

  • Spatone51%
  • Salus25%
  • Floradix12%
  • Feroglobin9%
  • Blueiron2%
  • Nutrition Geeks2%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -12.9% search growth over the last 90 days.
13K8KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May · busiest ÷ quietest = 1.7×

Top liquid iron search terms

  • spatone iron sachets100K/yr
  • floradix liquid iron89K/yr
  • floradix103K/yr
  • spatone70K/yr
  • liquid iron52K/yr
  • iron liquid17K/yr
  • spatone iron sachets apple18K/yr
  • liquid iron supplement for women14K/yr
  • spatone iron sachets with vitamin c11K/yr
  • iron liquid supplement10K/yr
All search terms

Top liquid iron 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.

0%10%£144K20%£288K30%£431K40%£575K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

What buyers say about liquid iron

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

What buyers love

Iron18%

“Effective iron supplement”

Quality-Overall17%

“No complaints :”

Energy Level7%

“Energy boost”

Value For Money7%

“Value for Money”

Taste-Overall6%

“Love the taste”

Ease Of Use6%

“Easy to use”

Ease Of Chewing/Swallowing4%

“Easy on the tummy”

Vitamin4%

“This is a good vitamin bottle easy to take”

Advertised Vs Actual Product3%

“Just as advertised”

Efficiency2%

“I find that this is effective”

What buyers complain about

Iron16%

“Seems like my iron levels. v low”

Taste-Overall12%

“I have to be honest - the taste is absolutely horrific”

Functionality-Overall3%

“B12 & iron supplement with vitamin c. Couldnt function without this”

Acid Regulator/Stomach Ache Relief3%

“Not good for my stomach”

Ethical Trade/Fair Trade2%

“it looks illegal”

Value For Money2%

“Waste of money”

Ease Of Chewing/Swallowing2%

“Wasnt swallow”

Energy Level2%

“I didn't have the energy”

Side Effects2%

“cause bad nausea”

Leak-Proof2%

“Broken & leaking”

Common questions

Is liquid iron profitable to sell on Amazon United Kingdom?
The niche generates £1.4M/yr across 16 tracked products. 90-day search growth is -12.9%. Flapen's verdict: Worth a look (51/100).
How competitive is the liquid iron niche?
6 brands and 98 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 98% of demand.
What do buyers complain about in liquid iron?
Top complaints mined from reviews: Iron, Taste-Overall, Functionality-Overall. The return rate is 0.1%.
When does demand for liquid iron peak?
Demand peaks in May; the busiest month runs 1.7× the quietest.
What does it cost to enter the liquid iron niche?
Listings span £5.26–£37.94; the average listing price is £15.53 (sweet spot $15–$100). The average incumbent carries 3,403 reviews — the moat a new listing must climb.