Iron and Vitamin D
FailThe top 5 brands take 100% of clicks, so Iron and Vitamin D is a Fail.
- Flapen Score
- 35 / 100Ranks 13,764 of 14,768 Health & Household niches · −14 vs the category median of 4935
- Market size
- $102K/yr69K searches / yr
- 90-day growth
- -4.4%search demand this quarter
- Competition
- 92%top-5 click share · 5 brands · 85 sellers
Flapen Score
Iron and Vitamin D against its category
The dotted line is the Health & Household average. Past it, Iron and Vitamin D is stronger. Inside it, weaker.
Market
The Iron and Vitamin D market on Amazon at a glance
Shoppers on Amazon United States searched for Iron and Vitamin D 69K times last year and spent an estimated $102K. All 5 brands take every click. Flapen scores it 35 out of 100, a Fail.
01 · Demand
An estimated 12.2% of those searches ended in a purchase.
Shoppers searched for this 69K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.2% of those searches ended in a purchase. Searches in the last 90 days moved -4.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $102K a year.
- Searches, last 12 months
- 69K
- Growth, 90 days vs prior 90
- -4.4%
- Conversion, latest week
- 12.2%
- Market size, estimated
- $102Ka year
- Peak month
- May1.5× the quietest month
- Top search term
- iron and vitamin d12K searches a year
02 · Price
A sale here is worth $12.23.
Listings sell for $12.23 on average, from $4.84 to $17.89. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 1,000 to 1,250 of them. At $12.23 that is $12K to $15K a year per listing.
- Average price
- $12.23under the $15 to $100 sweet spot
- Price range
- $4.84–$17.89
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 10K–13K
- Units per listing a year
- 1,000–1,250
- Revenue per listing a year
- $12K–$15K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
86% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #95 within Iron. It carries 13,795 reviews at 4.66 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 86%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #95in Iron
- Average rating
- 4.66 starsAmazon United States average 4.42 stars
- Average reviews
- 13,795per listing
- Listings tracked
- 7
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 77 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 77 months
Products
Top Iron and Vitamin D products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 28, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Natures Bounty Iron 65mg 325 mg Ferrous Sulfate Cellular Energy Support Promotes Normal Red Blood Cell Production 1 Serving Per Day Gluten Free 100 Vegetarian Tablets
- Price
- $4.84
- Rating
- 4.7/5
- Reviews
- 35,936
- Age
- 15y ago

OLLY Ultra Strength Womens Multi Softgels Overall Health and Immune Support Omega-3s Iron Vitamins A D C E B12 Daily Multivitamin 30 Day Supply - 60 Count
- Price
- $17.41
- Rating
- 4.6/5
- Reviews
- 7,945
- Age
- 5y ago

Natures Bounty Gentle Iron 28 mg Capsules with Vitamin C Folic Acid Vitamin B-12 Iron Supplement Non-GMO Gluten-Free 90 Count
- Price
- $6.42
- Rating
- 4.7/5
- Reviews
- 1,068
- Age
- 14y ago

Doctors Recipes Iron Supplement for Women & Men Iron 65 mg with Vitamin C D3 B6 B12 Folate Beet Root Pumpkin Seeds for Energy & Red Blood Cell Support 90 Tablets
- Price
- $13.10
- Rating
- 4.6/5
- Reviews
- 92
- Age
- 6mo ago

Natures Bounty Iron 65 mg Tablets 100 Tablets 100 Each 3-Pack
- Price
- $17.89
- Rating
- 4.7/5
- Reviews
- 35,936
- Age
- 13y ago
Trending
estimated 90-day click momentum
Doctors Recipes Iron Supplement for Women & Men Iron 65 mg with Vitamin C D3 B6 B12 Folate Beet Root Pumpkin Seeds for Energy & Red Blood Cell Support 90 Tablets
- Price
- $13.10
- Rating
- 4.6/5
- Reviews
- 92
- Age
- 6mo ago

Natures Bounty Gentle Iron 28 mg Capsules with Vitamin C Folic Acid Vitamin B-12 Iron Supplement Non-GMO Gluten-Free 90 Count
- Price
- $6.42
- Rating
- 4.7/5
- Reviews
- 1,068
- Age
- 14y ago

Iron Supplement for Women - Iron 65mg (Ferrous Sulfate 325mg) - 60 Caps
- Price
- $17.76
- Rating
- 4.6/5
- Reviews
- 2,124
- Age
- 2y ago

Natures Bounty Iron 65mg 325 mg Ferrous Sulfate Cellular Energy Support Promotes Normal Red Blood Cell Production 1 Serving Per Day Gluten Free 100 Vegetarian Tablets
- Price
- $4.84
- Rating
- 4.7/5
- Reviews
- 35,936
- Age
- 15y ago

Natures Bounty Iron 65 mg Tablets 100 Tablets 100 Each 3-Pack
- Price
- $17.89
- Rating
- 4.7/5
- Reviews
- 35,936
- Age
- 13y ago
Newest
by launch date
Doctors Recipes Iron Supplement for Women & Men Iron 65 mg with Vitamin C D3 B6 B12 Folate Beet Root Pumpkin Seeds for Energy & Red Blood Cell Support 90 Tablets
- Price
- $13.10
- Rating
- 4.6/5
- Reviews
- 92
- Age
- 6mo ago

Iron Supplement for Women - Iron 65mg (Ferrous Sulfate 325mg) - 60 Caps
- Price
- $17.76
- Rating
- 4.6/5
- Reviews
- 2,124
- Age
- 2y ago

OLLY Ultra Strength Womens Multi Softgels Overall Health and Immune Support Omega-3s Iron Vitamins A D C E B12 Daily Multivitamin 30 Day Supply - 60 Count
- Price
- $17.41
- Rating
- 4.6/5
- Reviews
- 7,945
- Age
- 5y ago

Natures Bounty Iron 65 mg Tablets 100 Tablets 100 Each 3-Pack
- Price
- $17.89
- Rating
- 4.7/5
- Reviews
- 35,936
- Age
- 13y ago

Natures Bounty Gentle Iron 28 mg Capsules with Vitamin C Folic Acid Vitamin B-12 Iron Supplement Non-GMO Gluten-Free 90 Count
- Price
- $6.42
- Rating
- 4.7/5
- Reviews
- 1,068
- Age
- 14y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 92% of clicks. A locked shelf that new listings rarely crack.
Brands
5 flat
Sellers
85
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
92%
Top 20: 100%
Open market
0%
- Nature's Bounty67%
- OLLY18%
- Doctor's Recipes6%
- Nature Made5%
- NUTRAHARMONY4%
Demand
Iron and Vitamin D search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Iron and Vitamin D search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- iron and vitamin d12K/yr
- natures bounty iron13K/yr
- natures bounty iron 65 mg8K/yr
- vitamin d and iron supplement8K/yr
- vitamin d and iron6K/yr
- olly omega 36K/yr
- iron and vitamin d supplement4K/yr
- olly womens multivitamin omega 35K/yr
- nature bounty iron3K/yr
- iron natures bounty4K/yr
Reviews and returns
What reviews say buyers love and hate about Iron and Vitamin D
We read the reviews and the return reasons for every product selling here.
“I had very low iron levels”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Iron and Vitamin D questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









