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iron and vitamin c tablets

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 31Growth 6Conversion 99Competition 3Returns 100Price range 0Avg price 13Brand share 0Review moat 24Quality gap 28

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible19.1%

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

Market size

Okay£145K

£145K/yr · 166K searches

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad5,413.83

avg incumbent reviews — the moat a new listing must climb

Avg price

Bad£4.55

avg listing price — sweet spot $15–$100

Growth

Bad-37.7%

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

Competition

Bad96%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Price range

Bad£2.65–£6.28

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

According to Flapen's Amazon United Kingdom niche tracking, iron and vitamin c tablets is a £145K/yr Amazon United Kingdom market (166K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 31/100.

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

iron and vitamin c tablets market data

Units sold / yr
30K–40K
avg 5,000–6,000/product
Revenue / yr
£137K–£182K
units × avg price
Conversion rate
19.1%
Avg BSR
#8
Page quality
0%
Prime
100%
Sponsored
67%
Out of stock
0.0%
Avg brand age
54 months
Avg seller age
169 days

Competition & brand share

The top 5 products capture 96% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 flat

Sellers

68

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

96%

Top 20: 100%

Open market

0%

  • Feroglobin89%
  • Nutrition Geeks7%
  • Vitabiotics Ultra4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -37.7% search growth over the last 90 days.
6K4KSpike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.8×

Top iron and vitamin c tablets search terms

  • feroglobin78K/yr
  • feroglobin capsules39K/yr
  • feroglobin iron tablets8K/yr
  • fatigue supplements6K/yr
  • supplements for extreme tiredness6K/yr
  • fatigue and tiredness supplements6K/yr
  • fatigue5K/yr
  • extreme fatigue relief5K/yr
  • feroglobin capsules gentle iron3K/yr
  • hemoglobin supplements2K/yr
All search terms

Top iron and vitamin c tablets 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%20%£29K40%£58K60%£87K80%£116K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 6 tracked products in this niche — three views at once, no toggling.

What buyers say about iron and vitamin c tablets

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

What buyers love

Quality-Overall18%

“Quality item, clear instructions and easy to swallow”

Iron13%

“Amazing iron supplement”

Value For Money10%

“Value for Money”

Ease Of Chewing/Swallowing7%

“Easy on the tummy”

Energy Level6%

“Boost energy”

Advertised Vs Actual Product5%

“Just as advertised”

Ease Of Use4%

“Easy to use”

Taste-Overall4%

“Tastes nice and easy to take”

Vitamin3%

“Vitamins”

Regulates Digestion2%

“Very effective and causes no constipation”

What buyers complain about

Iron19%

“had low iron”

Taste-Overall5%

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

Acid Regulator/Stomach Ache Relief4%

“Not good for my stomach”

Regulates Digestion3%

“digestive system really suffered”

Ethical Trade/Fair Trade3%

“it looks illegal”

Value For Money3%

“Prices could be cheaper”

Ease Of Chewing/Swallowing3%

“Wasnt swallow”

Ease Of Use2%

“Not an easy product to do a write up on straight away”

Energy Level2%

“I didn't have the energy”

Functionality-Overall2%

“Didnt work for me”

Common questions

Is iron and vitamin c tablets profitable to sell on Amazon United Kingdom?
The niche generates £145K/yr across 6 tracked products. 90-day search growth is -37.7%. Flapen's verdict: Skip it (31/100).
How competitive is the iron and vitamin c tablets niche?
3 brands and 68 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in iron and vitamin c tablets?
Top complaints mined from reviews: Iron, Taste-Overall, Acid Regulator/Stomach Ache Relief. The return rate is 0.1%.
When does demand for iron and vitamin c tablets peak?
Demand is steady year-round — the busiest month runs 1.8× the quietest.
What does it cost to enter the iron and vitamin c tablets niche?
Listings span £2.65–£6.28; the average listing price is £4.55 (sweet spot $15–$100). The average incumbent carries 5,414 reviews — the moat a new listing must climb.