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Vitamin D

Maybe

Shoppers spend an estimated $27.0M a year here. But the average product has 56,010 reviews to catch up to, so Vitamin D is a Maybe.

Flapen Score
55
55 / 100
Top 24% of 14,768 Health & Household niches · +6 vs the category median of 49
Market size
$27.0M/yr90.6M searches / yr
90-day growth
+15.2%search demand this quarter
Competition
50%top-5 click share · 12 brands · 193 sellers

Flapen Score

Vitamin D against its category

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

55Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Vitamin D market on Amazon at a glance

Shoppers on Amazon United States searched for Vitamin D 90.6M times last year and spent an estimated $27.0M. The top 5 brands take 81% of clicks. Demand peaks in Jan–Dec. Flapen scores it 55 out of 100, a Maybe.

01 · Demand

An estimated 2.2% of those searches ended in a purchase.

Shoppers searched for this 90.6M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.2% of those searches ended in a purchase. Searches in the last 90 days moved +15.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $27.0M a year.

Searches, last 12 months
90.6M
Growth, 90 days vs prior 90
+15.2%
Conversion, latest week
2.2%
Market size, estimated
$27.0Ma year
Peak month
January2.4× the quietest month
Top search term
vitamin d8.6M searches a year

02 · Price

A sale here is worth $13.32.

Listings sell for $13.32 on average, from $6.34 to $34.70. Amazon reports units sold in ranges, and this niche reaches the top one: 1,000,000 units or more a year. The average listing sells 80,000 to 100,000 of them. At $13.32 that is $1.1M to $1.3M a year per listing.

Average price
$13.32under the $15 to $100 sweet spot
Price range
$6.34–$34.70
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
1,000,000 or moreAmazon's top range
Units per listing a year
80,000–100,000
Revenue per listing a year
$1.1M–$1.3M
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

90% 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 #45 within Vitamin D. It carries 56,010 reviews at 4.76 stars, so a new listing needs social proof before a better product.

Sponsored listings
90%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#45in Vitamin D
Average rating
4.76 starsAmazon United States average 4.42 stars
Average reviews
56,010per listing
Listings tracked
29

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 68 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
68 months

Products

Top 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 50% of clicks. Leaders hold, but buyers still shop past them.

Brands

12 falling

Sellers

193

Top-5 brand share

81%

Top 20: 100%

Top-5 click share

50%

Top 20: 90%

Open market

14%

  • Brand 138%
  • Brand 222%
  • Brand 310%
  • Brand 46%
  • Brand 55%
  • Brand 64%
  • Open — no brand owns it (6 brands, 14%)

Demand

Vitamin D search demand

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

2.3M1.8MHoliday '24Prime Day '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: Jan, Dec · busiest ÷ quietest = 2.4×

Search terms

Top Vitamin D search terms shoppers use

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

  • vitamin d8.6M/yr
  • vitamin d33.6M/yr
  • vitamin d3 5000 iu1.0M/yr
  • d3 vitamin492K/yr
  • vitamina d288K/yr
  • vitamina d3174K/yr
  • vit d175K/yr
  • vit d3141K/yr
  • vitamin d supplements131K/yr
  • vitamina d3 para mujer100K/yr

Reviews and returns

What reviews say buyers love and hate about Vitamin D

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

23%of positive reviews mention “Vitamin”
12%of negative reviews mention “Vitamin”
<0.1%of orders come back, a rate Amazon rounds to zero
“BAD TASTING VITAMINGUMMIES”
A buyer, on “Vitamin”12% 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 Vitamin D questions

Answered from the same tracked data.