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Vitamin D3 4000 Iu

Fail

The average product has 90,576 reviews to catch up to, so Vitamin D3 4000 Iu is a Fail.

Flapen Score
40
40 / 100
Ranks 12,248 of 14,768 Health & Household niches · −9 vs the category median of 49
Market size
$171K/yr93K searches / yr
90-day growth
-0.7%search demand this quarter
Competition
84%top-5 click share · 6 brands · 69 sellers

Flapen Score

Vitamin D3 4000 Iu against its category

The dotted line is the Health & Household average. Past it, Vitamin D3 4000 Iu is stronger. Inside it, weaker.

40Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Vitamin D3 4000 Iu market on Amazon at a glance

Shoppers on Amazon United States searched for Vitamin D3 4000 Iu 93K times last year and spent an estimated $171K. The top 5 brands take 97% of clicks. Flapen scores it 40 out of 100, a Fail.

01 · Demand

An estimated 12.8% of those searches ended in a purchase.

Shoppers searched for this 93K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.8% of those searches ended in a purchase. Searches in the last 90 days moved -0.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $171K a year.

Searches, last 12 months
93K
Growth, 90 days vs prior 90
-0.7%
Conversion, latest week
12.8%
Market size, estimated
$171Ka year
Peak month
February1.4× the quietest month
Top search term
vitamin d3 4000 iu33K searches a year

02 · Price

A sale here is worth $14.35.

Listings sell for $14.35 on average, from $5.76 to $34.10. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 1,500 to 2,000 of them. At $14.35 that is $22K to $29K a year per listing.

Average price
$14.35under the $15 to $100 sweet spot
Price range
$5.76–$34.10
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
13K–15K
Units per listing a year
1,500–2,000
Revenue per listing a year
$22K–$29K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

80% 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 #92 within Vitamin D. It carries 90,576 reviews at 4.69 stars, so a new listing needs social proof before a better product.

Sponsored listings
80%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#92in Vitamin D
Average rating
4.69 starsAmazon United States average 4.42 stars
Average reviews
90,576per listing
Listings tracked
10

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 92 months on average, so the names here are established.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
92 months

Products

Top Vitamin D3 4000 Iu 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 84% of clicks. A locked shelf that new listings rarely crack.

Brands

6 flat

Sellers

69

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

84%

Top 20: 100%

Open market

0%

  • Brand 174%
  • Brand 28%
  • Brand 38%
  • Brand 45%
  • Brand 53%
  • Brand 63%

Demand

Vitamin D3 4000 Iu search demand

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

2K2KSpike '25Black Friday '25DecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Search terms

Top Vitamin D3 4000 Iu search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • vitamin d3 4000 iu33K/yr
  • vitamin d 4000 iu31K/yr
  • vitamin d 400010K/yr
  • vitamin d3 4000 iu softgels7K/yr
  • d3 4000 iu7K/yr
  • vitamin d3 40005K/yr

Reviews and returns

What reviews say buyers love and hate about Vitamin D3 4000 Iu

We read the reviews and the return reasons for every product selling here.

25%of positive reviews mention “Quality-Overall”
19%of negative reviews mention “Vitamin”
<0.1%of orders come back, a rate Amazon rounds to zero
“which makes it harder for my body to process certain vitamins”
A buyer, on “Vitamin”19% 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.

19 topics

NegativePositive

FAQ

Common Vitamin D3 4000 Iu questions

Answered from the same tracked data.