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42

Iron Complex

Skip it

A small market ($47K/yr) — this niche doesn't clear our bar today.

Market size 12Growth 34Conversion 82Competition 17Returns 100Price range 67Avg price 83Brand share 27Review moat 36Quality gap 23

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$18.04

avg listing price — sweet spot $15–$100

Conversion

Great8.6%

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

Price range

Good$8.06–$29.04

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

Review moat

Okay2,859.83

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+7.2%

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

Brand share

Okay89%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad80%

top-5 click share — a locked-up shelf

Market size

Bad$47K

$47K/yr · 30K searches

Is iron complex profitable on Amazon?

According to Flapen's Amazon United States niche tracking, iron complex is a $47K/yr Amazon United States market (30K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Feb–Mar. Verdict: Skip it — 42/100.

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

iron complex market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.
Units sold / yr
3K–3K
avg 100–250/product
Revenue / yr
$45K–$54K
units × avg price
Conversion rate
8.6%
Avg BSR
#316
Page quality
0%
Prime
100%
Sponsored
75%
Out of stock
0.0%
Avg brand age
89 months
Avg seller age
162 days

Competition: brands, sellers & click share

The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 rising

Sellers

556

Top-5 brand share

89%

Top 20: 100%

Top-5 click share

80%

Top 20: 100%

Open market

7%

  • New Chapter37%
  • NOW Foods22%
  • THORNE16%
  • Integrative Therapeutics8%
  • Vitalibre5%
  • Zahler4%
  • Open — no brand owns it (3 brands, 7%)

iron complex demand & seasonality

Weekly Amazon search volume, last 91 weeks — +7.2% search growth over the last 90 days.
2K1KBlack Friday '24Spike '25Holiday '25Spike '26DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Feb, Mar · busiest ÷ quietest = 2.4×

Top iron complex search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.
  • iron complex14K/yr
  • new chapter iron8K/yr
  • iron complex supplement5K/yr
  • new chapter iron supplement3K/yr
All search terms

Top iron complex products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$5K20%$9K30%$14K40%$19K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

What reviews say buyers love and hate about iron complex

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

What buyers love

Iron24%

“Effective iron supplement”

Quality-Overall15%

“This is a high quality product which has been of significant help in my case”

Vitamin7%

“A good vitamin—easy to take”

Acid Regulator/Stomach Ache Relief7%

“No bloat, no constipation”

Side Effects5%

“doesnt cause side effects”

Efficiency4%

“Works QUICK”

Regulates Digestion4%

“digests well”

Energy Level3%

“I can definitely feel the boost of energy”

Advertised Vs Actual Product3%

“As described”

Ease Of Chewing/Swallowing2%

“I love how small the capsules are which make them easy to take”

What buyers complain about

Iron21%

“My iron level was low”

Taste-Overall9%

“has no taste”

Side Effects7%

“Made me extremely dizzy”

Acid Regulator/Stomach Ache Relief5%

“I have a very sensitive stomach”

Regulates Digestion4%

“Causes constipation”

Smell4%

“Smell is also terrible”

Size-Overall3%

“theyre small”

Functionality-Overall3%

“Didn't work for me”

Dosage2%

“I cant do it twice day”

Absorbency2%

“does not absorb well”

Top return reasons

Acid Regulator/Stomach Ache Relief28%
Regulates Digestion19%
Ease Of Chewing/Swallowing17%
Functionality-Overall17%
Value For Money17%
Moist/Dry3%

Common iron complex questions

Is iron complex profitable to sell on Amazon United States?
The niche generates $47K/yr across 12 tracked products. 90-day search growth is +7.2%. Flapen's verdict: Skip it (42/100).
How competitive is the iron complex niche?
9 brands and 556 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 89% of demand.
What do buyers complain about in iron complex?
Top complaints mined from reviews: Iron, Taste-Overall, Side Effects. The return rate is 0.0%.
When does demand for iron complex peak?
Demand peaks in Feb–Mar; the busiest month runs 2.4× the quietest.
What does it cost to enter the iron complex niche?
Listings span $8.06–$29.04; the average listing price is $18.04 (sweet spot $15–$100). The average incumbent carries 2,860 reviews — the moat a new listing must climb.