---
title: "Ferritin — $907K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/ferritin"
last_updated: "2026-08-10T04:12:50.468Z"
locale: en
meta:
description: "Niche score 54/100 · $907K/yr market · 634K searches/yr. A deep review moat (10,136 avg reviews) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · $907K/yr market · 634K searches/yr. A deep review moat (10,136 avg reviews) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Ferritin — $907K/yr Amazon US Niche (2026) - Flapen"
---
# **ferritin**
**Worth a look**
Shows low returns (0.0%), but a deep review moat (10,136 avg reviews) keeps it on the watch list.
Market size 76Growth 24Conversion 60Competition 37Returns 100Price range 79Avg price 95Brand share 54Review moat 22Quality gap 27
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$27.38**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$4.84–$55.65**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Great****$907K**
$907K/yr · 634K searches
**Conversion**
**Good****5.2%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Good****72%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****63%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-2.1%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****10,136.25**
avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, ferritin is a $907K/yr Amazon United States market (634K searches/yr). The top 5 brands hold 72% of demand. Demand peaks in Apr–Jul. Verdict: Worth a look — 54/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **ferritin market data**
- **Units sold / yr**
- **30K–40K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$821K–$1.1M**
- units × avg price
- **Conversion rate**
- **5.2%**
- **Avg BSR**
- **#510**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.8%**
- **Avg brand age**
- **73 months**
- **Avg seller age**
- **157 days**
## **Competition & brand share**
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**15 **▼falling
**Sellers**
**596**
**Top-5 brand share**
**72%**
Top 20: 100%
**Top-5 click share**
**63%**
Top 20: 100%
**Open market**
**20%**
- Pure Encapsulations23% - Flora16% - THORNE16% - MegaFood9% - Cardiovascular Research8% - Designs for Health8%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -2.1% search growth over the last 90 days.
25K15KSpike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, Jul · busiest ÷ quietest = 2.9×
[**Open Trend **](https://flapen.com/research/us/health-household/ferritin/trend)
## **Top ferritin search terms**
- **ferritin supplement for women**291K/yr-0.5%4.6% conv. - **ferritin**171K/yr-2.7%4.5% conv. - **ferritin supplement**67K/yr-8.3%3.8% conv. - **ferritin iron supplement**18K/yr+0.1%2.6% conv. - **iron ferritin supplement**11K/yr+8.1%4.2% conv. - **ferratin**10K/yr+12.3%3.9% conv. - **flora ferritin**9K/yr-28.8%5.7% conv. - **ferritin supplements**5K/yr+20.1%2.6% conv. - **low ferritin supplement**6K/yr+18.6%4.0% conv. - **ferritina**4K/yr+72.6%1.2% conv. [**All search terms **](https://flapen.com/research/us/health-household/ferritin/search-terms)
## **Top ferritin 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%$91K20%$181K30%$272K40%$363K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 20 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Pure Encapsulations OptiFerin-C - for Red Blood Cells & Energy - Iron Absorption Support - Energy Supplement* - Vitamin C Enriched - Gluten Free & Non-GMO - 60 Capsules**Pure Encapsulations**$15.38**4.7★1,444 rev](https://www.amazon.com/dp/B08LNRHMSX) [2**THORNE - Advanced Iron Complex - Complete Blood Support Formula* - Elemental Iron Folate B and C Vitamins for Optimal Absorption - Chelated Iron Supplement - Gluten Dairy & Soy-Free - 60 Capsules**THORNE**$25.51**4.6★4,282 rev](https://www.amazon.com/dp/B0797PJQMT) [3**Flora Ferritin+ Delayed-Release Iron Supplement - Plant-Based Iron Supplement - Blood Cell & Energy Support - Vegan & Gluten-Free - Amber Glass Bottle - 30 Vegan Capsules**Flora**$25.00**4.6★906 rev](https://www.amazon.com/dp/B0F2JR9KSR) [4**Cardiovascular Research Ferritin Maximum Absorption Iron Supplement 1-Pack 01-Cream 60 Capsules**Cardiovascular Research**$17.42**4.6★408 rev](https://www.amazon.com/dp/B003NE4BKU) [5**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★2,032 rev](https://www.amazon.com/dp/B000FGWBH4)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**WOVOEO Ferravital Ferritin Support for Women with Ferrous Glycine Vitamin C B6 Zinc B12 & Folate Gluten Free & Non-GMO Gentle Iron Support for Energy 60 Capsules**WOVOEO**$43.43**23 rev1mo ago](https://www.amazon.com/dp/B0GXK8DSW4) [**Ferritin Supplement for Women Complete Ferritin Complex - 60 Capsules**ODORHOOD**$43.95**2 rev2mo ago](https://www.amazon.com/dp/B0H2VGXCVN) [**FerraVital Ferritin Support Iron Supplement for Women Supports Healthy Iron & Energy Levels with Ferrous Glycine Vitamin C B12 B6 Folate Zinc & Probiotics 60 Capsules(1pc)**FerraVital**$42.75**57 rev5mo ago](https://www.amazon.com/dp/B0GLP5C7KY) [**Beef Organ Supplement for Women - Ferritin Supplement for Women Grass Fed Liver Uterus Ovary & Bone Marrow - Natural Anemia Support Energy & Hormone Balance - Pasture Raised - 120 Capsules**Rasav**$20.53**73 rev8mo ago](https://www.amazon.com/dp/B0G37HPJCP) [**Flora Ferritin+ Delayed-Release Iron Supplement - Plant-Based Iron Supplement - Blood Cell & Energy Support - Vegan & Gluten-Free - Amber Glass Bottle - 30 Vegan Capsules**Flora**$25.00**906 rev1y ago](https://www.amazon.com/dp/B0F2JR9KSR)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Ferritin Supplement for Women Complete Ferritin Complex - 60 Capsules**ODORHOOD**$43.95**5.0★**▲ 190%**](https://www.amazon.com/dp/B0H2VGXCVN) [**WOVOEO Ferravital Ferritin Support for Women with Ferrous Glycine Vitamin C B6 Zinc B12 & Folate Gluten Free & Non-GMO Gentle Iron Support for Energy 60 Capsules**WOVOEO**$43.43**4.5★**▲ 189%**](https://www.amazon.com/dp/B0GXK8DSW4) [**FerraVital Ferritin Support Iron Supplement for Women Supports Healthy Iron & Energy Levels with Ferrous Glycine Vitamin C B12 B6 Folate Zinc & Probiotics 60 Capsules(1pc)**FerraVital**$42.75**4.1★**▲ 100%**](https://www.amazon.com/dp/B0GLP5C7KY) [**Proferrin ES- 10.5mg of high Absorbing Heme Iron Polypeptide. Made in the USA. 90 Tablets. Easy on the Gut. Not affected by Coffee Calcium or PPIs.**Proferrin**$55.65**4.5★**▲ 99%**](https://www.amazon.com/dp/B00MJPVZC6) [**MegaFood Blood Builder Iron Supplement Energy Support Vegan 60 Tablets**MegaFood**$23.34**4.6★**▲ 94%**](https://www.amazon.com/dp/B0001532T0)
**~~View all trending →~~**
## **What buyers say about ferritin**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Iron**23%
*“Awesome Iron supplement”*
**Quality-Overall**11%
*“Overall I feel the capsules were good quality”*
**Acid Regulator/Stomach Ache Relief**6%
*“No stomach issues or constipation so far which I really like”*
**Vitamin**6%
*“A good vitamin—easy to take”*
**Efficiency**4%
*“Really does work”*
**Energy Level**4%
*“Helped with energy levels”*
**Regulates Digestion**4%
*“Easy to digest”*
**Side Effects**4%
*“no nausea from this supplement”*
**Value For Money**3%
*“Good value for price”*
**Advertised Vs Actual Product**3%
*“Exactly as described”*
### **What buyers complain about **
**Iron**22%
*“Low iron”*
**Taste-Overall**9%
*“Disgusting taste”*
**Acid Regulator/Stomach Ache Relief**5%
*“Hard on stomach”*
**Side Effects**5%
*“Made me extremely dizzy”*
**Regulates Digestion**4%
*“also caused constipation”*
**Value For Money**2%
*“Not worth the price”*
**Functionality-Overall**2%
*“Didn't work for me”*
**Dosage**2%
*“65mg in a serving is a MASSIVE dose”*
**Advertised Vs Actual Product**2%
*“Does not work as advertised”*
**Vitamin**2%
*“Megadose of unwanted vitamins such as B12”*
### **Top return reasons **
**Iron**18%
**Leak-Proof**11%
**Acid Regulator/Stomach Ache Relief**11%
**Regulates Digestion**8%
**Value For Money**7%
**Functionality-Overall**5%
**Certifications**5%
**Vitamin**5%
**Advertised Vs Actual Product**5%
**Ease Of Use**4%
## **Common questions**
- **Is ferritin profitable to sell on Amazon United States?**
- The niche generates $907K/yr across 20 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -2.1%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the ferritin niche?**
- 15 brands and 596 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 72% of demand.
- **What do buyers complain about in ferritin?**
- Top complaints mined from reviews: Iron, Taste-Overall, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.
- **When does demand for ferritin peak?**
- Demand peaks in Apr–Jul; the busiest month runs 2.9× the quietest.
- **What does it cost to enter the ferritin niche?**
- Listings span $4.84–$55.65; the average listing price is $27.38 (sweet spot $15–$100). The average incumbent carries 10,136 reviews — the moat a new listing must climb.
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