Calcium
FailShoppers spend an estimated $7K a year here, so Calcium is a Fail.
- Flapen Score
- 48 / 100Top 6% of 198 Health, Household and Personal Care niches · +11 vs the category median of 3748
- Market size
- $7K/yr6K searches / yr
- 90-day growth
- +13.0%search demand this quarter
- Competition
- 50%top-5 click share · 10 brands · 15 sellers
Flapen Score
Calcium against its category
The dotted line is the Health, Household and Personal Care average. Past it, Calcium is stronger. Inside it, weaker.
Market
The Calcium market on Amazon at a glance
Shoppers on Amazon Singapore searched for Calcium 6K times last year and spent an estimated $7K. The top 5 brands take 83% of clicks. Demand peaks in Jul–Nov. Flapen scores it 48 out of 100, a Fail.
01 · Demand
An estimated 5.0% of those searches ended in a purchase.
Shoppers searched for this 6K times in the last 12 months. That counts every search on Amazon Singapore for this niche's terms. An estimated 5.0% of those searches ended in a purchase. Searches in the last 90 days moved +13.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $7K a year.
- Searches, last 12 months
- 6K
- Growth, 90 days vs prior 90
- +13.0%
- Conversion, latest week
- 5.0%
- Market size, estimated
- $7Ka year
- Peak month
- July1.5× the quietest month
- Top search term
- calcium4K searches a year
02 · Price
A sale here is worth $21.98.
Listings sell for $21.98 on average, from $9.89 to $35.78. Amazon reports units sold in ranges. This niche sold 250 to 500 a year. The average listing sells 0 to 100 of them. At $21.98 that is $0 to $2K a year per listing.
- Average price
- $21.98inside the $15 to $100 sweet spot
- Price range
- $9.89–$35.78
- Amazon Singapore median price
- $30.00across 1,590 niches
- Units sold a year
- 250–500
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$2K
- Returns
- 0.0%of orders · Amazon Singapore median 0.0%
03 · Entry bar
The bar here is reviews.
19% of listings pay for placement with sponsored ads. 69% ship with Prime. On an average day, 7.5% of listings are out of stock. The average listing ranks #123 within Health, Household and Personal Care. It carries 11,306 reviews at 4.56 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 19%
- Prime listings
- 69%
- Out of stock, average day
- 7.5%
- Average rank
- #123in Health, Household and Personal Care
- Average rating
- 4.56 starsAmazon Singapore average 4.47 stars
- Average reviews
- 11,306per listing
- Listings tracked
- 16
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 114 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
- 114 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 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Natures Bounty Calcium & Vitamin D by Immune Support & Bone Health 1200mg Calcium & 1000IU Vitamin D3 120 Softgels (2-Pack)
- Price
- $24.26
- Rating
- 4.6/5
- Reviews
- 23,269
- Age
- 12y ago

Caltrate 600+D3 Calcium and Vitamin D Supplement Tablet for maximum calcium absorption 600 mg -200 Count (Pack of 1)
- Price
- $23.86
- Rating
- 4.7/5
- Reviews
- 18,770
- Age
- 13y ago

Nature Made Calcium 600 mg with Vitamin D3 for Immune Support Tablets 60 Count helps support Bone Strength
- Price
- $15.34
- Rating
- 4.7/5
- Reviews
- 26,187
- Age
- 10y ago

Calcium Complex 1200mg with Vitamin D - Max Calcium Supplement Vitamin D3 for Bone Health
- Price
- $13.93
- Rating
- 4.3/5
- Reviews
- 13
- Age
- 4y ago

Calcium Carbonate & Vitamin D by Natures Bounty Supports Immune Health & Bone Health 600mg Calcium & 800IU Vitamin D3 250 Tablets
- Price
- $18.50
- Rating
- 4.7/5
- Reviews
- 8,098
- Age
- 13y ago
Trending
estimated 90-day click momentum
Nature Made Calcium 600 mg with Vitamin D3 for Immune Support Tablets 60 Count helps support Bone Strength
- Price
- $15.34
- Rating
- 4.7/5
- Reviews
- 26,187
- Age
- 10y ago

21st Century Calcium Supplement 600 mg 400 Count
- Price
- $19.22
- Rating
- 4.7/5
- Reviews
- 4,987
- Age
- 11y ago

Caltrate 600 Plus D3 Plus Minerals Calcium and Vitamin D Supplement Tablets Bone Health and Mineral Supplement for Adults - 165 Count
- Price
- $26.75
- Rating
- 4.7/5
- Reviews
- 6,382
- Age
- 18y ago

Calcium Magnesium Zinc + D3 1565mg Time-Release Formula | All-in-One Bone Muscle & Immunity Booster 120 CT
- Price
- $13.94
- Rating
- 3.6/5
- Reviews
- 2
- Age
- 1y ago

Natures Bounty Calcium & Vitamin D by Immune Support & Bone Health 1200mg Calcium & 1000IU Vitamin D3 120 Softgels (2-Pack)
- Price
- $24.26
- Rating
- 4.6/5
- Reviews
- 23,269
- Age
- 12y ago
Newest
by launch date
Calcium Magnesium Zinc + D3 1565mg Time-Release Formula | All-in-One Bone Muscle & Immunity Booster 120 CT
- Price
- $13.94
- Rating
- 3.6/5
- Reviews
- 2
- Age
- 1y ago

Calcium Complex 1200mg with Vitamin D - Max Calcium Supplement Vitamin D3 for Bone Health
- Price
- $13.93
- Rating
- 4.3/5
- Reviews
- 13
- Age
- 4y ago

Citracal Slow Release 1200 1200 mg Calcium Citrate and Calcium Carbonate Blend with 1000 IU Vitamin D3 Bone Health Supplement for Adults Once Daily Caplets 185 Count
- Price
- $28.65
- Rating
- 4.7/5
- Reviews
- 11,051
- Age
- 7y ago

Citracal Petites Highly Soluble Easily Digested 400 mg Calcium Citrate with 500 IU Vitamin D3 Bone Health Supplement for Adults Relatively Small Easy-to-Swallow Caplets 375 Count
- Price
- $24.29
- Rating
- 4.7/5
- Reviews
- 15,348
- Age
- 7y ago

Calcium with Vitamin D3 | 1200 mg | 240 Softgels | 5000 IU Vitamin D3 | Absorbable Calcium Supplement | Non-GMO Gluten Free Calcium Supplement | by Horbaach
- Price
- $26.78
- Rating
- 4.6/5
- Reviews
- 6,881
- Age
- 7y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 50% of clicks. Leaders hold, but buyers still shop past them.
Brands
10 rising
Sellers
15
Est. top-5 brand share
83%
Top 20: 100%
Est. top-5 click share
50%
Top 20: 100%
Open market
17%
- Nature's Bounty27%
- Caltrate19%
- Nature Made13%
- Nano Singapore12%
- 21ST CENTURY6%
- Now Foods6%
- Open — no brand owns it (4 brands, 17%)
Demand
Calcium search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jul, Nov · busiest ÷ quietest = 1.5×
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









