Calcium
MaybeShoppers 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 / 100Top 11% of 14,768 Health & Household niches · +11 vs the category median of 4960
- 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.
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
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 27, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Natures Bounty Calcium 1200 mg with 1000 IU Vitamin D3 - Bone Health Softgels Calcium and Vitamin D Supplement Gluten Free 2 Softgels per Day 120 ct (Pack of 1)
- Price
- $7.79
- Rating
- 4.6/5
- Reviews
- 43,244
- Age
- 18y ago

Nature Made Calcium 600 mg with Vitamin D3 Dietary Supplement for Bone Support 220 Tablets
- Price
- $13.71
- Rating
- 4.7/5
- Reviews
- 27,324
- Age
- 17y ago

Natures Bounty Calcium 1200 mg with Vitamin D3 - Bone Health Softgels Calcium and Vitamin D Supplement 120 Ct (2-Pack)
- Price
- $15.36
- Rating
- 4.6/5
- Reviews
- 43,244
- Age
- 13y ago

Bronson Calcium 1200mg Per Serving Plus Vitamin D3 1000 IU High Potency Formula Non-GMO 120 Tablets
- Price
- $10.01
- Rating
- 4.7/5
- Reviews
- 2,183
- Age
- 1y ago

Natures Bounty Calcium Carbonate & Vitamin D Supports Immune Health & Bone Health 600mg Calcium & 800IU Vitamin D3 250 Tablets
- Price
- $10.74
- Rating
- 4.7/5
- Reviews
- 8,402
- Age
- 18y ago
Trending
estimated 90-day click momentum
Carlyle Calcium 1200 mg with Vitamin D3 | 120 Softgels
- Price
- $6.40
- Rating
- 4.5/5
- Reviews
- 528
- Age
- 3y ago

Natures Bounty Calcium 1200 mg with Vitamin D3 Bone Health & Immune Support Vitamin D3 1000 IU 220 Softgels
- Price
- $15.40
- Rating
- 4.6/5
- Reviews
- 43,244
- Age
- 16y ago

Natures Bounty Calcium Plus 400 IU Vitamin D3 Immune Support & Bone Health 300 Tablets
- Price
- $15.92
- Rating
- 4.7/5
- Reviews
- 7,168
- Age
- 17y ago

Pure Encapsulations Calcium with Vitamin D3 | Dietary Supplement to Support Bone Colon and Cardiovascular Health* | 180 Capsules
- Price
- $32.67
- Rating
- 4.8/5
- Reviews
- 511
- Age
- 18y ago

Calcium 1200 mg with Vitamin D3 - Per Serving - Bone Health Supplement - Vitamin D & Calcium Supplements for Women & Men - Bone Strength Support - Natural Calcium Pills - Bottled in USA - 240 Tablets
- Price
- $16.19
- Rating
- 4.7/5
- Reviews
- 1,580
- Age
- 3y ago
Newest
by launch date
Bronson Calcium 1200mg Per Serving Plus Vitamin D3 1000 IU High Potency Formula Non-GMO 120 Tablets
- Price
- $10.01
- Rating
- 4.7/5
- Reviews
- 2,183
- Age
- 1y ago

Calcium 1 200mg with Vitamin D3 & K2 300 Tablets | Calcium Supplements for Women & Men | Mineral Complex Support Bone Teeth Colon & Cardiovascular Health | Non-GMO Gluten-Free
- Price
- $21.99
- Rating
- 4.6/5
- Reviews
- 744
- Age
- 1y ago

Carlyle Calcium 1200 mg with Vitamin D3 | 120 Softgels
- Price
- $6.40
- Rating
- 4.5/5
- Reviews
- 528
- Age
- 3y ago

Calcium 1200 mg with Vitamin D3 - Per Serving - Bone Health Supplement - Vitamin D & Calcium Supplements for Women & Men - Bone Strength Support - Natural Calcium Pills - Bottled in USA - 240 Tablets
- Price
- $16.19
- Rating
- 4.7/5
- Reviews
- 1,580
- Age
- 3y ago

Pure Encapsulations Calcium (Citrate) - Supplement for Bone Teeth Colon and Cardiovascular Health Support* - with Premium Calcium Citrate - 60 Capsules
- Price
- $13.27
- Rating
- 4.7/5
- Reviews
- 5,961
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 53% of clicks. Leaders hold, but buyers still shop past them.
Brands
15 falling
Sellers
131
Est. top-5 brand share
82%
Top 20: 100%
Est. top-5 click share
53%
Top 20: 94%
Open market
15%
- Nature's Bounty45%
- Nature Made17%
- Pure Encapsulations10%
- Bronson6%
- Nutricost3%
- THORNE3%
- Open — no brand owns it (9 brands, 15%)
Demand
Calcium search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Calcium search terms shoppers use
The exact words shoppers type, with estimated 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.
“Very large pills”
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
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 Calcium 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









