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52

prenatal iron

Worth a look

Shows low returns (0.0%), but a small market ($70K/yr) keeps it on the watch list.

Market size 17Growth 58Conversion 59Competition 43Returns 100Price range 82Avg price 95Brand share 42Review moat 24Quality gap 45

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$23.27

avg listing price — sweet spot $15–$100

Price range

Great$10.28–$39.68

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

Conversion

Good5.1%

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

Growth

Good+32.4%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Okay59%

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

Brand share

Okay80%

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

Review moat

Bad5,169.27

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$70K

$70K/yr · 59K searches

According to Flapen's Amazon United States niche tracking, prenatal iron is a $70K/yr Amazon United States market (59K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Jul. Verdict: Worth a look — 52/100.

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

prenatal iron market data

Units sold / yr
3K–4K
avg 100–250/product
Revenue / yr
$70K–$93K
units × avg price
Conversion rate
5.1%
Avg BSR
#1,091
Page quality
0%
Prime
100%
Sponsored
86%
Out of stock
0.0%
Avg brand age
80 months
Avg seller age
150 days

Competition & brand share

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 rising

Sellers

607

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

59%

Top 20: 98%

Open market

15%

  • MARYRUTH'S33%
  • Needed.18%
  • Pink Stork15%
  • THORNE8%
  • Doctor's Recipes6%
  • OLLY5%
  • Open — no brand owns it (7 brands, 15%)

Demand & seasonality

Weekly Amazon search volume, last 99 weeks — +32.4% search growth over the last 90 days.
7K5KSpike '25Prime Day '25Spike '26DecMarJunAugNovMarMay

Peak months: Jul · busiest ÷ quietest = 5.9×

Top prenatal iron search terms

  • prenatal iron20K/yr
  • prenatal iron supplement12K/yr
  • iron prenatal9K/yr
  • prenatal iron supplement for women7K/yr
  • vegan prenatal iron3K/yr
  • mary ruth prenatal iron5K/yr
  • mary ruth iron prenatal3K/yr
All search terms

Top prenatal 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%5%$3K10%$7K15%$10K20%$14K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

What buyers say about prenatal iron

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

What buyers love

Vitamin11%

“Great vitamin”

Iron11%

“Excellent iron source”

Taste-Overall9%

“Good taste”

Quality-Overall7%

“the quality has been consistent”

Acid Regulator/Stomach Ache Relief5%

“No stomach problems”

Fertility/Conception4%

“Helped me get pregnant”

Ease Of Chewing/Swallowing4%

“Have no issues with swallowing”

Smell3%

“Great smell”

Value For Money3%

“For the price”

Regulates Digestion2%

“Easy to digest”

What buyers complain about

Taste-Overall14%

“Strong fishy taste”

Smell11%

“Awful smell”

Iron8%

“Does NOT Contain Iron”

Vitamin4%

“If you also can't tolerate it this is not the vitamin for you”

Side Effects4%

“Weird side effects”

Acid Regulator/Stomach Ache Relief3%

“Worst stomach pain I have ever experienced”

Dosage3%

“They are literally hurting babies by their under-disclosure of the daily recommended amount of capsules”

Size-Overall2%

“Small size”

Value For Money2%

“Not worth it”

Regulates Digestion2%

“The acid reflux is terrible”

Top return reasons

Iron13%
Smell12%
Certifications12%
Value For Money12%
Ingredients-Overall5%
Vitamin5%
Acid Regulator/Stomach Ache Relief5%
Leak-Proof4%
Taste-Overall3%
Side Effects3%

Common questions

Is prenatal iron profitable to sell on Amazon United States?
The niche generates $70K/yr across 22 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +32.4%. Flapen's verdict: Worth a look (52/100).
How competitive is the prenatal iron niche?
13 brands and 607 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 80% of demand.
What do buyers complain about in prenatal iron?
Top complaints mined from reviews: Taste-Overall, Smell, Iron. The return rate is 0.0%.
When does demand for prenatal iron peak?
Demand peaks in Jul; the busiest month runs 5.9× the quietest.
What does it cost to enter the prenatal iron niche?
Listings span $10.28–$39.68; the average listing price is $23.27 (sweet spot $15–$100). The average incumbent carries 5,169 reviews — the moat a new listing must climb.