---
title: "Vitamin with Iron — $937K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/vitamin-with-iron"
last_updated: "2026-08-09T21:47:45.308Z"
locale: en
meta:
description: "Niche score 49/100 · $937K/yr market · 359K searches/yr · $19.67 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $937K/yr market · 359K searches/yr · $19.67 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Vitamin with Iron — $937K/yr Amazon US Niche (2026) - Flapen"
---
# **vitamin with iron**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 77Growth 25Conversion 96Competition 22Returns 100Price range 81Avg price 87Brand share 0Review moat 20Quality gap 18
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****13.3%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$19.67**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$5.83–$59.29**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Great****$937K**
$937K/yr · 359K searches
**Growth**
**Bad****-0.6%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****74%**
top-5 click share — a locked-up shelf
**Review moat**
**Bad****13,282.35**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, vitamin with iron is a $937K/yr Amazon United States market (359K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 49/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **vitamin with iron market data**
- **Units sold / yr**
- **50K–60K**
- avg 2,500–3,000/product
- **Revenue / yr**
- **$984K–$1.2M**
- units × avg price
- **Conversion rate**
- **13.3%**
- **Avg BSR**
- **#665**
- **Page quality**
- **0%**
- **Prime**
- **71%**
- **Sponsored**
- **35%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **83 months**
- **Avg seller age**
- **151 days**
## **Competition & brand share**
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **—flat
**Sellers**
**130**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**74%**
Top 20: 100%
**Open market**
**0%**
- Centrum90% - KIRKLAND8% - Generic2% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -0.6% search growth over the last 90 days.
8K6KPrime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.1×
[**Open Trend **](https://flapen.com/research/us/health-household/vitamin-with-iron/trend)
## **Top vitamin with iron search terms**
- **centrum silver**141K/yr-5.9%13.8% conv. - **centrum silver adults 50 plus**92K/yr+0.1%21.2% conv. - **kirkland multivitamins**35K/yr-1.5%2.3% conv. - **kirkland vitamins**18K/yr-4.9%1.5% conv. - **centrum silver 50 plus**9K/yr+82.3%9.6% conv. - **kirkland mature multi vitamins 400 tablets**10K/yr+4.7%7.0% conv. - **kirkland multivitamins for adults 50 plus**8K/yr+2.6%5.3% conv. - **kirkland multivitamin**7K/yr+26.0%1.9% conv. - **adult multivitamins 50 plus**5K/yr-10.9%8.5% conv. - **centrum adults 50+**5K/yr+10.6%17.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/vitamin-with-iron/search-terms)
## **Top vitamin with 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%10%$94K20%$187K30%$281K40%$375K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Centrum Silver Multivitamin for Adults 50 and Over 220 Tablets**Centrum**$18.52**4.8★4,829 rev](https://www.amazon.com/dp/B09KCHLVS8) [2**Centrum Minis Silver Multivitamin for Adults 50 and Over 320 Tablets**Centrum**$18.46**4.7★27,070 rev](https://www.amazon.com/dp/B08FVZ3C19) [3**Centrum Silver Mens 50+ Multivitamin with Vitamin D3 B-Vitamins Zinc for Memory and Cognition - 200 Tablets**Centrum**$17.57**4.8★28,906 rev](https://www.amazon.com/dp/B09KCD4D7F) [4**Centrum Silver Womens Multivitamin for Women 50 and Over 200 Tablets**Centrum**$16.94**4.8★34,837 rev](https://www.amazon.com/dp/B09KCCVL9V) [5**Centrum Silver Multivitamin for Adults 50 and Over 125 Tablets**Centrum**$10.43**4.8★6,129 rev](https://www.amazon.com/dp/B08Y1NZ7VR)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Centrum Multivitamin for Adults 18 and Over 200 Tablets**Centrum**$11.81**8,336 rev8mo ago](https://www.amazon.com/dp/B09BVYY7XR) [**Silver Adults 50+ Multivitamin with Higher Vitamin C and Zinc Heart Brain Eye Support 325 Tablets**Generic**$29.52**11 rev10mo ago](https://www.amazon.com/dp/B0G3N4STQM) [**Centrum Silver Multivitamin for Adults 50 and Over 220 Tablets**Centrum**$18.52**4,829 rev4y ago](https://www.amazon.com/dp/B09KCHLVS8) [**Centrum Silver Mens 50+ Multivitamin with Vitamin D3 B-Vitamins Zinc for Memory and Cognition - 200 Tablets**Centrum**$17.57**28,906 rev4y ago](https://www.amazon.com/dp/B09KCD4D7F) [**Centrum Silver Womens Multivitamin for Women 50 and Over 200 Tablets**Centrum**$16.94**34,837 rev4y ago](https://www.amazon.com/dp/B09KCCVL9V)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Silver Adults 50+ Multivitamin with Higher Vitamin C and Zinc Heart Brain Eye Support 325 Tablets**Generic**$29.52**4.2★**▲ 266%**](https://www.amazon.com/dp/B0G3N4STQM) [**Centrum Multivitamin for Men Multivitamin/Multimineral Supplement with Vitamin D3 B Vitamins and Antioxidants Gluten Free Non-GMO Ingredients - 250 Count**Centrum**$22.94**4.7★**▲ 57%**](https://www.amazon.com/dp/B09BW24R2B) [**Centrum Silver Mens 50+ Multivitamin with Vitamin D3 B-Vitamins Zinc for Memory and Cognition - 200 Tablets**Centrum**$17.57**4.8★**▲ 37%**](https://www.amazon.com/dp/B09KCD4D7F) [**Centrum Silver Multivitamin for Adults 50 and Over 220 Tablets**Centrum**$18.52**4.8★**▲ 18%**](https://www.amazon.com/dp/B09KCHLVS8) [**Centrum Silver Womens Multivitamin for Women 50 and Over 200 Tablets**Centrum**$16.94**4.8★**▲ 18%**](https://www.amazon.com/dp/B09KCCVL9V)
**~~View all trending →~~**
## **What buyers say about vitamin with iron**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Vitamin**31%
*“Good multi vitamins”*
**Ease Of Chewing/Swallowing**14%
*“Chewy”*
**Value For Money**13%
*“Great deal”*
**Quality-Overall**9%
*“In terms of quality, the product feels reliable and well-made”*
**Advertised Vs Actual Product**5%
*“Accurate description”*
**Size-Overall**4%
*“Very Convenient Size”*
**Dosage**2%
*“These pills do a very good job”*
**Ease Of Use**2%
*“Ease of use”*
**Energy Level**2%
*“it helped my energy level”*
**Nutritional Content**1%
*“It's a convenient way to support overall health”*
### **What buyers complain about **
**Size-Overall**19%
*“These are small”*
**Vitamin**13%
*“Ran out of vitamins”*
**Dosage**5%
*“Why 75 mg is considered Low”*
**Acid Regulator/Stomach Ache Relief**5%
*“Immediately upset my stomach”*
**Ingredients-Overall**4%
*“Contains toxic ingredients that are totally NOT”*
**Value For Money**4%
*“Getting pricey”*
**Ease Of Chewing/Swallowing**3%
*“Is somewhat big for swallowing”*
**Side Effects**2%
*“BEWARE KNOWN SIDE EFFECTS”*
**Taste-Overall**2%
*“Not gummy”*
**Calcium**2%
*“I saw that there is no potassium in the ingredients list on my bottle”*
### **Top return reasons **
**Vitamin**36%
**Vegan/Organic**18%
**Ingredients-Overall**11%
**Value For Money**7%
**Dosage**7%
**Taste-Overall**7%
**Functionality-Overall**5%
**Strength**4%
**Charging**4%
**Acid Regulator/Stomach Ache Relief**2%
## **Common questions**
- **Is vitamin with iron profitable to sell on Amazon United States?**
- The niche generates $937K/yr across 17 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -0.6%. Flapen's verdict: Skip it (49/100).
- **How competitive is the vitamin with iron niche?**
- 3 brands and 130 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in vitamin with iron?**
- Top complaints mined from reviews: Size-Overall, Vitamin, Dosage. The return rate is 0.0%.
- **When does demand for vitamin with iron peak?**
- Demand is steady year-round — the busiest month runs 1.1× the quietest.
- **What does it cost to enter the vitamin with iron niche?**
- Listings span $5.83–$59.29; the average listing price is $19.67 (sweet spot $15–$100). The average incumbent carries 13,282 reviews — the moat a new listing must climb.
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