---
title: "Ferrous Fumarate — $217K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/ferrous-fumarate"
last_updated: "2026-08-10T07:27:56.945Z"
locale: en
meta:
description: "Niche score 47/100 · $217K/yr market · 97K searches/yr · $22.03 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $217K/yr market · 97K searches/yr · $22.03 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Ferrous Fumarate — $217K/yr Amazon US Niche (2026) - Flapen"
---
# **ferrous fumarate**
**Skip it**
A concentrated shelf (top 5 take 80% of clicks) — this niche doesn't clear our bar today.
Market size 42Growth 26Conversion 88Competition 17Returns 100Price range 86Avg price 93Brand share 32Review moat 24Quality gap 25
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$22.03**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****10.1%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$6.13–$87.14**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$217K**
$217K/yr · 97K searches
**Brand share**
**Okay****86%**
top-5 brand share — brands hold most of the demand
**Growth**
**Okay****+0.6%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****5,621.77**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****80%**
top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, ferrous fumarate is a $217K/yr Amazon United States market (97K searches/yr). The top 5 brands hold 86% of demand. Verdict: Skip it — 47/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **ferrous fumarate market data**
- **Units sold / yr**
- **8K–10K**
- avg 500–750/product
- **Revenue / yr**
- **$176K–$220K**
- units × avg price
- **Conversion rate**
- **10.1%**
- **Avg BSR**
- **#194**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **85%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **84 months**
- **Avg seller age**
- **165 days**
## **Competition & brand share**
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**11 **▼falling
**Sellers**
**89**
**Top-5 brand share**
**86%**
Top 20: 100%
**Top-5 click share**
**80%**
Top 20: 100%
**Open market**
**11%**
- Vitamatic39% - Ferretts31% - Cypress Pharmaceutical6% - Pharmaris6% - Swanson4% - THORNE3% - Open — no brand owns it (5 brands, 11%)
## **Demand & seasonality**
Weekly Amazon search volume, last 103 weeks — +0.6% search growth over the last 90 days.
2K2KSpike '24Prime Day '25Spike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/health-household/ferrous-fumarate/trend)
## **Top ferrous fumarate search terms**
- **ferrous fumarate**37K/yr-2.4%6.9% conv. - **fumarato ferroso para adultos**11K/yr+2.1%4.1% conv. - **ferrous fumarate iron supplement**12K/yr-20.9%6.7% conv. - **ferrous fumarate 325mg**6K/yr+21.0%9.9% conv. - **fumarato ferroso**6K/yr+7.2%3.3% conv. - **ferrets iron supplement 325 mg**5K/yr+18.1%16.0% conv. - **ferretts iron supplement 325 mg**6K/yr-0.6%17.1% conv. - **ferretts iron supplement**4K/yr-11.7%13.7% conv. - **fumarato ferroso para anemia**3K/yr+56.2%4.8% conv. - **ferrets iron**4K/yr-11.4%7.9% conv. [**All search terms **](https://flapen.com/research/us/health-household/ferrous-fumarate/search-terms)
## **Top ferrous fumarate 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%$22K20%$43K30%$65K40%$87K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Vitamatic Ferrous Fumarate 325 mg + Vitamin C 100 mg (104 mg Elemental Iron) High Potency Iron Supplement Gentle on Stomach 120 Coated Tablets Made in USA**Vitamatic**$16.63**4.6★236 rev](https://www.amazon.com/dp/B0FGJWSJB2) [2**Ferretts Iron Tablets 106mg (325mg Ferrous Fumarate) - 60 Day Supply of High Potency Iron Supplements for Women & Men Easy on The Stomach Iron Supplements for Anemia 60 Iron Pills Per Bottle**Ferretts**$16.15**4.5★2,136 rev](https://www.amazon.com/dp/B001QKJJE6) [3**Ferretts Iron Tablets 325mg Ferrous Fumarate 2 Pack (120 Total)**Ferretts**$27.11**4.5★1,237 rev](https://www.amazon.com/dp/B01L14F1H0) [4**Cypress Pharmaceutical Ferrous Fumarate 324 Tablets Boxed 100ct**Cypress Pharmaceutical**$19.14**4.6★635 rev](https://www.amazon.com/dp/B005TLZTLA) [5**Pharmaris Ferofit - Ferrous Fumarate 300mg (100mg Elemental Iron) Prevents Anemia Due to Deficiency Iron Supplement for Women & Men 100 Tablets**Pharmaris**$24.13**4.6★519 rev](https://www.amazon.com/dp/B0DRRF1GFP)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vitamatic Ferrous Fumarate 325 mg + Vitamin C 100 mg (104 mg Elemental Iron) High Potency Iron Supplement Gentle on Stomach 120 Coated Tablets Made in USA**Vitamatic**$16.63**236 rev1y ago](https://www.amazon.com/dp/B0FGJWSJB2) [**Pharmaris Ferofit - Ferrous Fumarate 300mg (100mg Elemental Iron) Prevents Anemia Due to Deficiency Iron Supplement for Women & Men 100 Tablets**Pharmaris**$24.13**519 rev1y ago](https://www.amazon.com/dp/B0DRRF1GFP) [**Vitamatic Ferrous Gluconate 324 mg + Vitamin C 100 mg - No Artificial Color Additives - Gentle on Stomach - 250 Tablets - Made in USA**Vitamatic**$9.99**523 rev1y ago](https://www.amazon.com/dp/B0DPNNXG77) [**Puregen Labs Ferrous Sulfate 325 mg (65 mg Elemental Iron) High Potency Iron Supplement | No Artificial Color Additives - 200 Tablets**P Puregen Labs**$10.02**3,990 rev2y ago](https://www.amazon.com/dp/B0CPKF8BC2) [**SiderAL Forte Sucrosomial Iron Supplement for Women and Men - Clinically Proven to Increase Levels without Side Effects Gentle on Stomach 7x Higher Absorption for Anemia & Energy Vitamin C 30ct**PHARMANUTRA**$87.14**1,560 rev2y ago](https://www.amazon.com/dp/B08DL68XZP)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Vitamatic Ferrous Gluconate 324 mg + Vitamin C 100 mg - No Artificial Color Additives - Gentle on Stomach - 250 Tablets - Made in USA**Vitamatic**$9.99**4.6★**▲ 101%**](https://www.amazon.com/dp/B0DPNNXG77) [**Vitamatic Ferrous Fumarate 325 mg + Vitamin C 100 mg (104 mg Elemental Iron) High Potency Iron Supplement Gentle on Stomach 120 Coated Tablets Made in USA**Vitamatic**$16.63**4.6★**▲ 33%**](https://www.amazon.com/dp/B0FGJWSJB2) [**Designs for Health Iron Vital for Energy Production Immune & Brain Health High Absorption Ferrochel Chelated Iron for Women & Men as Ferrous Bisglycinate Chelate Pregnancy Safe (120 Vegan Caps)**Designs for Health**$21.88**4.7★**▲ 28%**](https://www.amazon.com/dp/B000FGWBH4) [**Ferretts Iron Tablets 325mg Ferrous Fumarate 2 Pack (120 Total)**Ferretts**$27.11**4.5★**— 4%**](https://www.amazon.com/dp/B01L14F1H0) [**Puregen Labs Ferrous Sulfate 325 mg (65 mg Elemental Iron) High Potency Iron Supplement | No Artificial Color Additives - 200 Tablets**P Puregen Labs**$10.02**4.7★**— 1%**](https://www.amazon.com/dp/B0CPKF8BC2)
**~~View all trending →~~**
## **What buyers say about ferrous fumarate**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Iron**21%
*“Great iron supplement”*
**Quality-Overall**13%
*“Good quality arrived quickly”*
**Advertised Vs Actual Product**7%
*“DOES THE JOB”*
**Acid Regulator/Stomach Ache Relief**5%
*“No upset stomach”*
**Side Effects**5%
*“doesnt cause side effects”*
**Value For Money**5%
*“Good deal”*
**Regulates Digestion**4%
*“Will not cause constipation”*
**Efficiency**4%
*“DOES THE JOB”*
**Ease Of Chewing/Swallowing**4%
*“Easy to Swallow”*
**Vitamin**3%
*“A good vitamin—easy to take”*
### **What buyers complain about **
**Iron**19%
*“My iron levels are low”*
**Taste-Overall**7%
*“Horrible Taste”*
**Value For Money**7%
*“Waste of money”*
**Acid Regulator/Stomach Ache Relief**6%
*“I probably have the worst stomach out there”*
**Side Effects**5%
*“Made me extremely dizzy”*
**Regulates Digestion**4%
*“Causes constipation”*
**Ingredients-Overall**2%
*“Bad additives”*
**Color**2%
*“These are much lighter in color”*
**Dosage**2%
*“I cant do it twice day”*
**Functionality-Overall**2%
*“Didn't work for me”*
### **Top return reasons **
**Acid Regulator/Stomach Ache Relief**27%
**Regulates Digestion**15%
**Functionality-Overall**13%
**Vitamin**13%
**Side Effects**6%
**Iron**6%
**Color**6%
**Value For Money**6%
**Measurement/Reading Accuracy**6%
**Moist/Dry**2%
## **Common questions**
- **Is ferrous fumarate profitable to sell on Amazon United States?**
- The niche generates $217K/yr across 13 tracked products. 90-day search growth is +0.6%. Flapen's verdict: Skip it (47/100).
- **How competitive is the ferrous fumarate niche?**
- 11 brands and 89 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 86% of demand.
- **What do buyers complain about in ferrous fumarate?**
- Top complaints mined from reviews: Iron, Taste-Overall, Value For Money. The return rate is 0.0%.
- **When does demand for ferrous fumarate peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the ferrous fumarate niche?**
- Listings span $6.13–$87.14; the average listing price is $22.03 (sweet spot $15–$100). The average incumbent carries 5,622 reviews — the moat a new listing must climb.
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