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Calcium

Maybe

Shoppers spend an estimated $11.2M a year here. But the products selling today already average 4.7★, so Calcium is a Maybe.

Flapen Score
60
60 / 100
Top 11% of 14,768 Health & Household niches · +11 vs the category median of 49
Market size
$11.2M/yr5.6M searches / yr
90-day growth
-7.2%search demand this quarter
Competition
53%top-5 click share · 15 brands · 131 sellers

Flapen Score

Calcium against its category

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

60Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Calcium market on Amazon at a glance

Shoppers on Amazon United States searched for Calcium 5.6M times last year and spent an estimated $11.2M. The top 5 brands take 82% of clicks. Flapen scores it 60 out of 100, a Maybe.

01 · Demand

An estimated 12.5% of those searches ended in a purchase.

Shoppers searched for this 5.6M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.5% of those searches ended in a purchase. Searches in the last 90 days moved -7.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $11.2M a year.

Searches, last 12 months
5.6M
Growth, 90 days vs prior 90
-7.2%
Conversion, latest week
12.5%
Market size, estimated
$11.2Ma year
Peak month
May1.3× the quietest month
Top search term
calcium1.7M searches a year

02 · Price

A sale here is worth $16.18.

Listings sell for $16.18 on average, from $5.32 to $36.27. Amazon reports units sold in ranges. This niche sold 600K to 800K a year. The average listing sells 15,000 to 20,000 of them. At $16.18 that is $243K to $324K a year per listing.

Average price
$16.18inside the $15 to $100 sweet spot
Price range
$5.32–$36.27
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
600K–800K
Units per listing a year
15,000–20,000
Revenue per listing a year
$243K–$324K
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 #112 within Calcium. It carries 13,477 reviews at 4.68 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
#112in Calcium
Average rating
4.68 starsAmazon United States average 4.42 stars
Average reviews
13,477per listing
Listings tracked
25

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 80 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
80 months

Products

Top Calcium 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 53% of clicks. Leaders hold, but buyers still shop past them.

Brands

15 falling

Sellers

131

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

53%

Top 20: 94%

Open market

15%

  • Brand 145%
  • Brand 217%
  • Brand 310%
  • Brand 46%
  • Brand 53%
  • Brand 63%
  • Open — no brand owns it (9 brands, 15%)

Demand

Calcium search demand

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

150K100KPrime Day '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Search terms

Top Calcium search terms shoppers use

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

  • calcium1.7M/yr
  • calcium 1200 mg with vitamin d3929K/yr
  • calcium supplements for women1.6M/yr
  • calcium supplement412K/yr
  • calcium 1200 mg123K/yr
  • calcio para los huesos de mujer124K/yr
  • calcio84K/yr
  • calcium supplements103K/yr
  • calcium with vitamin d57K/yr
  • calcium with vitamin d385K/yr

Reviews and returns

What reviews say buyers love and hate about Calcium

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

17%of positive reviews mention “Calcium”
21%of negative reviews mention “Size-Overall”
<0.1%of orders come back, a rate Amazon rounds to zero
“Very large pills”
A buyer, on “Size-Overall”21% 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.

17 topics

NegativePositive

FAQ

Common Calcium questions

Answered from the same tracked data.