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Iron and Vitamin D

Fail

The top 5 brands take 100% of clicks, so Iron and Vitamin D is a Fail.

Flapen Score
35
35 / 100
Ranks 13,764 of 14,768 Health & Household niches · −14 vs the category median of 49
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.

35Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

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

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 92% of clicks. A locked shelf that new listings rarely crack.

Brands

5 flat

Sellers

85

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

92%

Top 20: 100%

Open market

0%

  • Brand 167%
  • Brand 218%
  • Brand 36%
  • Brand 45%
  • Brand 54%

Demand

Iron and Vitamin D search demand

Weekly searches over the year, seasonality beneath. Pick a range.

2K1KSpike '26AprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul

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 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.

16%of positive reviews mention “Iron”
13%of negative reviews mention “Iron”
<0.1%of orders come back, a rate Amazon rounds to zero
“I had very low iron levels”
A buyer, on “Iron”13% of negative reviews mention the same topic

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

NegativePositive

FAQ

Common Iron and Vitamin D questions

Answered from the same tracked data.