prenatal iron
Worth a lookShows low returns (0.0%), but a small market ($70K/yr) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$23.27avg listing price — sweet spot $15–$100
Price range
Great$10.28–$39.68cheapest 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
Bad5,169.27avg 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.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
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.
All 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
MaryRuths Prenatal & Postnatal Iron Liquid Sugar Free Vegan 15.22 Fl Oz
MARYRUTH'S$30.774.4★2,452 rev

Needed. Prenatal Iron Supplement - Pregnancy Breastfeeding Postpartum - Aids Energy Birth Weight & Babys Neural Development - Non-Constipating & Gentle on Stomach - Flexible Dosing for Pregnancy
Needed.$21.594.6★627 rev

Pink Stork Iron for Women with Vitamin C 60 Capsules 2-Month Supply
Pink Stork$26.174.7★892 rev

THORNE - Iron Bisglycinate - 25 mg Iron Supplement for Enhanced Absorption Without Gastrointestinal Side Effects* - NSF Certified for Sport - Gluten-Free - 60 Servings
THORNE$15.644.7★8,578 rev

MaryRuths Liquid Iron Supplement for Women Men & Kids 15.22 Fl Oz Vegan
MARYRUTH'S$30.844.5★7,319 rev
Newest
by launch date
Prenatal Iron 18mg Gentle Ferrous Bisglycinate + Vitamin C Pregnancy
Mama's Select$14.9721 rev

Ritual Iron Bisglycinate Supplement 60mg - 48-Hour Dosing - 15 Capsules
Ritual$23.82305 rev

Doctors Recipes Iron Supplement for Pregnant Women Chelated Iron Bisglycinate with Vitamin C for High Absorption Gentle Red Blood Cell Production Support 60 Vegan Caps
Doctor's Recipes$10.2884 rev

MARYRUTHS Postnatal & Prenatal Liquid Multivitamin for Women | Selenium | Folate | Healthy Fetal Development | Prenatal Vitamins | Vegan | Non-GMO | Sugar Free | Gluten Free | 16 oz
MARYRUTH'S$20.773,835 rev

OLLY Delightful Iron Chewable Tablet Iron Supplement from AB Fortis Fruit Punch Flavored 30 or 20 Day Supply - 60 Count
OLLY$12.901,137 rev
Trending
90-day click momentum
Prenatal Iron 18mg Gentle Ferrous Bisglycinate + Vitamin C Pregnancy
Mama's Select$14.974.9★

MARYRUTHS Postnatal & Prenatal Liquid Multivitamin for Women | Selenium | Folate | Healthy Fetal Development | Prenatal Vitamins | Vegan | Non-GMO | Sugar Free | Gluten Free | 16 oz
MARYRUTH'S$20.774.2★

Doctors Recipes Iron Supplement for Pregnant Women Chelated Iron Bisglycinate with Vitamin C for High Absorption Gentle Red Blood Cell Production Support 60 Vegan Caps
Doctor's Recipes$10.284.6★

MaryRuths Liquid Iron Supplement for Women Men & Kids 15.22 Fl Oz Vegan
MARYRUTH'S$30.844.5★

Ritual Iron Bisglycinate Supplement 60mg - 48-Hour Dosing - 15 Capsules
Ritual$23.824.5★
What buyers say about prenatal iron
What buyers praise and complain about, mined from review topics.What buyers love
“Great vitamin”
“Excellent iron source”
“Good taste”
“the quality has been consistent”
“No stomach problems”
“Helped me get pregnant”
“Have no issues with swallowing”
“Great smell”
“For the price”
“Easy to digest”
What buyers complain about
“Strong fishy taste”
“Awful smell”
“Does NOT Contain Iron”
“If you also can't tolerate it this is not the vitamin for you”
“Weird side effects”
“Worst stomach pain I have ever experienced”
“They are literally hurting babies by their under-disclosure of the daily recommended amount of capsules”
“Small size”
“Not worth it”
“The acid reflux is terrible”
Top return reasons
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.