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iron supplement

Skip it

A small market ($0/yr) — this niche doesn't clear our bar today.

Market size 0Growth 17Conversion 0Competition 19Returns 100Price range 78Avg price 89Brand share 27Review moat 23Quality gap 23

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$20.54

avg listing price — sweet spot $15–$100

Price range

Great$8.34–$40.09

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

Brand share

Okay89%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad7,674.78

avg incumbent reviews — the moat a new listing must climb

Competition

Bad78%

top-5 click share — a locked-up shelf

Growth

Bad-15.7%

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

Market size

Bad$0

$0/yr · 3K searches

Conversion

Bad0.0%

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

According to Flapen's Amazon Singapore niche tracking, iron supplement is a $0/yr Amazon Singapore market (3K searches/yr). The top 5 brands hold 89% of demand. Verdict: Skip it — 30/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

iron supplement market data

Units sold / yr
100–250
avg 0–100/product
Revenue / yr
$2K–$5K
units × avg price
Conversion rate
0.0%
Avg BSR
#269
Page quality
0%
Prime
56%
Sponsored
33%
Out of stock
5.7%
Avg brand age
81 months
Avg seller age
0 days

Competition & brand share

The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 falling

Sellers

13

Top-5 brand share

89%

Top 20: 100%

Top-5 click share

78%

Top 20: 100%

Open market

6%

  • THORNE29%
  • Nature's Bounty28%
  • Solgar13%
  • Swisse12%
  • Vitamatic7%
  • SLOW FE6%
  • Open — no brand owns it (1 brand, 6%)

Demand

Weekly Amazon search volume, last 46 weeks — -15.7% search growth over the last 90 days.
175125Spike '25Black Friday '25Spike '26Sep '25Oct '25Dec '25Feb '26Mar '26May '26Jun '26

Top iron supplement 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%$020%$030%$040%$0101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

What buyers say about iron supplement

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

What buyers love

Acid Regulator/Stomach Ache Relief100%

“These are gentle on the stomach”

Common questions

Is iron supplement profitable to sell on Amazon Singapore?
The niche generates $0/yr across 9 tracked products. 90-day search growth is -15.7%. Flapen's verdict: Skip it (30/100).
How competitive is the iron supplement niche?
7 brands and 13 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 89% of demand.
What does it cost to enter the iron supplement niche?
Listings span $8.34–$40.09; the average listing price is $20.54 (sweet spot $15–$100). The average incumbent carries 7,675 reviews — the moat a new listing must climb.