Calcium 500mg
MaybeAn estimated 0.0% of orders come back. But the products selling today already average 4.7★, so Calcium 500mg is a Maybe.
- Flapen Score
- 50 / 100Top 44% of 14,768 Health & Household niches · +1 vs the category median of 4950
- Market size
- $242K/yr134K searches / yr
- 90-day growth
- +13.5%search demand this quarter
- Competition
- 66%top-5 click share · 8 brands · 117 sellers
Flapen Score
Calcium 500mg against its category
The dotted line is the Health & Household average. Past it, Calcium 500mg is stronger. Inside it, weaker.
Market
The Calcium 500mg market on Amazon at a glance
Shoppers on Amazon United States searched for Calcium 500mg 134K times last year and spent an estimated $242K. The top 5 brands take 90% of clicks. Flapen scores it 50 out of 100, a Maybe.
01 · Demand
An estimated 12.2% of those searches ended in a purchase.
Shoppers searched for this 134K 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 +13.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $242K a year.
- Searches, last 12 months
- 134K
- Growth, 90 days vs prior 90
- +13.5%
- Conversion, latest week
- 12.2%
- Market size, estimated
- $242Ka year
- Peak month
- May1.6× the quietest month
- Top search term
- calcium 500mg49K searches a year
02 · Price
A sale here is worth $14.89.
Listings sell for $14.89 on average, from $5.26 to $32.09. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 1,250 to 1,500 of them. At $14.89 that is $19K to $22K a year per listing.
- Average price
- $14.89under the $15 to $100 sweet spot
- Price range
- $5.26–$32.09
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 15K–20K
- Units per listing a year
- 1,250–1,500
- Revenue per listing a year
- $19K–$22K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
59% 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 #311 within Calcium. It carries 6,168 reviews at 4.68 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 59%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #311in Calcium
- Average rating
- 4.68 starsAmazon United States average 4.42 stars
- Average reviews
- 6,168per listing
- Listings tracked
- 17
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 84 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
- 84 months
Products
Top Calcium 500mg 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 Plus 400 IU Vitamin D3 Immune Support & Bone Health 300 Tablets
- Price
- $15.92
- Rating
- 4.7/5
- Reviews
- 7,168
- Age
- 17y ago

Nature Made Calcium 500 mg With Vitamin D Tablets 130 Count (Pack of 3)
- Price
- $32.09
- Rating
- 4.7/5
- Reviews
- 5,823
- Age
- 12y 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

Nature Made Calcium Gummies 500 mg Per Serving with Vitamin D3 Dietary Calcium Supplement for Bone Support 80 Gummies 40 Day Supply
- Price
- $9.82
- Rating
- 4.5/5
- Reviews
- 4,462
- Age
- 13y ago

Major Oyster Shell Calcium 500 mg - Daily Calcium Supplement - 300 Tablets (1-Pack)
- Price
- $11.89
- Rating
- 4.7/5
- Reviews
- 775
- Age
- 12y ago
Trending
estimated 90-day click momentum
Nature Made Calcium 600 mg with Vitamin D3 Dietary Supplement for Bone Support Calcium Supplement for Bone Health 60 Tablets
- Price
- $6.59
- Rating
- 4.7/5
- Reviews
- 27,324
- Age
- 27y ago

Nature Made Calcium 500 mg With Vitamin D Tablets 130 Count (Pack of 3)
- Price
- $32.09
- Rating
- 4.7/5
- Reviews
- 5,823
- Age
- 12y 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

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

Nature Made Calcium 600 mg with Vitamin D3 Dietary Calcium Supplement for Bone Support 100 Softgels
- Price
- $12.91
- Rating
- 4.6/5
- Reviews
- 1,104
- Age
- 17y ago
Newest
by launch date![NatureWise Calcium Citrate 500mg Capsules - Supplement for Bone Health - Easy to Digest & Absorb - Vegan Non-GMO Gluten-Free - 90 Count[30-Day Supply]](https://m.media-amazon.com/images/I/41Vw+Hdvp6L.jpg)
NatureWise Calcium Citrate 500mg Capsules - Supplement for Bone Health - Easy to Digest & Absorb - Vegan Non-GMO Gluten-Free - 90 Count[30-Day Supply]
- Price
- $13.79
- Rating
- 4.6/5
- Reviews
- 403
- Age
- 1y ago

BulkSupplements.com Calcium Carbonate Capsules - Calcium Carbonate Supplement Calcium Carbonate 500mg - Calcium Supplement Gluten Free 2 Capsules per Serving 360 Capsules (Pack of 1)
- Price
- $17.72
- Rating
- 4.6/5
- Reviews
- 405
- 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

THORNE - Calcium - (Formerly DiCalcium Malate) - Chelated Calcium for Enhanced Absorption with DimaCal for Bone Density Support* - 120 Capsules
- Price
- $27.06
- Rating
- 4.8/5
- Reviews
- 965
- Age
- 9y ago

21st Century Calcium 600 mg Supplement (400 Tablets) Vegan-Friendly Bone Strength Calcium Supplement Non-GMO & Gluten-Free Calcium Carbonate No Artificial Flavors Suitable for Men & Women
- Price
- $11.90
- Rating
- 4.7/5
- Reviews
- 6,539
- Age
- 12y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 66% of clicks. Leaders hold, but buyers still shop past them.
Brands
8 rising
Sellers
117
Est. top-5 brand share
90%
Top 20: 100%
Est. top-5 click share
66%
Top 20: 100%
Open market
5%
- Nature Made41%
- Nature's Bounty24%
- 21st Century11%
- MAJOR7%
- Pure Encapsulations7%
- NatureWise5%
- Open — no brand owns it (2 brands, 5%)
Demand
Calcium 500mg search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.6×
Search terms
Top Calcium 500mg search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- calcium 500mg49K/yr
- calcium 500mg with vitamin d319K/yr
- calcium 500 mg16K/yr
- nature made calcium 500 mg with d310K/yr
- calcium 5008K/yr
- 500 mg calcium8K/yr
- calcium 500 mg with vitamin d34K/yr
- calcium 500 mg only6K/yr
- calcium 400 mg4K/yr
- nature made calcium 500 mg4K/yr
Reviews and returns
What reviews say buyers love and hate about Calcium 500mg
We read the reviews and the return reasons for every product selling here.
“The capsules are to large”
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 500mg 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









