Calcium 1000mg
FailThe average product has 11,080 reviews to catch up to, so Calcium 1000mg is a Fail.
- Flapen Score
- 48 / 100Ranks 7,720 of 14,768 Health & Household niches · −1 vs the category median of 4948
- Market size
- $114K/yr103K searches / yr
- 90-day growth
- -4.3%search demand this quarter
- Competition
- 53%top-5 click share · 14 brands · 124 sellers
Flapen Score
Calcium 1000mg against its category
The dotted line is the Health & Household average. Past it, Calcium 1000mg is stronger. Inside it, weaker.
Market
The Calcium 1000mg market on Amazon at a glance
Shoppers on Amazon United States searched for Calcium 1000mg 103K times last year and spent an estimated $114K. The top 5 brands take 74% of clicks. Flapen scores it 48 out of 100, a Fail.
01 · Demand
An estimated 6.1% of those searches ended in a purchase.
Shoppers searched for this 103K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.1% of those searches ended in a purchase. Searches in the last 90 days moved -4.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $114K a year.
- Searches, last 12 months
- 103K
- Growth, 90 days vs prior 90
- -4.3%
- Conversion, latest week
- 6.1%
- Market size, estimated
- $114Ka year
- Peak month
- August1.6× the quietest month
- Top search term
- calcium 1000mg39K searches a year
02 · Price
A sale here is worth $18.04.
Listings sell for $18.04 on average, from $5.32 to $36.27. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 100 to 250 of them. At $18.04 that is $2K to $5K a year per listing.
- Average price
- $18.04inside 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
- 6K–8K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $2K–$5K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
86% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.2% of listings are out of stock. The average listing ranks #835 within Calcium. It carries 11,080 reviews at 4.60 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 86%
- Prime listings
- 100%
- Out of stock, average day
- 0.2%
- Average rank
- #835in Calcium
- Average rating
- 4.60 starsAmazon United States average 4.42 stars
- Average reviews
- 11,080per listing
- Listings tracked
- 21
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 1000mg 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

21st Century Calcium Plus D3 Tablets (90 Count) 1000mg Calcium with Vitamin D3 20mcg (800 IU) Gluten-Free & Non-GMO Bone Health Supplement for Men & Women No Added Yeast or Artificial Flavors
- Price
- $5.55
- Rating
- 4.6/5
- Reviews
- 1,032
- Age
- 19y ago

Solaray Calcium Citrate 1000mg - Chelated Calcium Supplement - Supports Bone Strength and Healthy Teeth - Easy to Digest - Vegan - 30 Servings 120 VegCaps
- Price
- $14.33
- Rating
- 4.4/5
- Reviews
- 5,542
- Age
- 22y ago

Solaray Calcium Citrate 1000mg - Chelated Calcium Supplement - Supports Bone Strength and Healthy Teeth - Easy to Digest - Vegan - 68 Servings 275 VegCaps
- Price
- $23.29
- Rating
- 4.4/5
- Reviews
- 5,542
- Age
- 6y 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
Trending
estimated 90-day click momentum
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 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

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

GNC Calcium Plus Magnesium & Vitamin D-3 1000mg Essential for Building Strong Bones 180 Count
- Price
- $16.56
- Rating
- 4.7/5
- Reviews
- 1,533
- Age
- 6y ago

Solaray Calcium Citrate 1000mg - Chelated Calcium Supplement - Supports Bone Strength and Healthy Teeth - Easy to Digest - Vegan - 60 Servings 240 VegCaps
- Price
- $19.29
- Rating
- 4.4/5
- Reviews
- 5,542
- Age
- 17y 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

duwhot Calcium Citrate Gummies Chewable Calcium Citrate 1000mg For Bone Muscle & Immune Support High Absorption Calcium Supplements for Women & Men Kids Blueberry Flavor Vegan Organic 60 Chews
- Price
- $21.58
- Rating
- 4.5/5
- Reviews
- 560
- Age
- 2y ago

Nutricost Calcium with Vitamin D 240 Tablets - Calcium (1200mg) Vitamin D (50mcg) Per Serving - Non-GMO Gluten Free
- Price
- $15.70
- Rating
- 4.7/5
- Reviews
- 2,356
- Age
- 5y ago

Calcium Citrate 1000mg | Healthy Bone & Teeth Support | High Absorption Cal Citrate | Gentle on Digestion | Vegan & Non-GMO | 3 Month Supply | Calcium Supplements for Women & Men | 365 Capsules
- Price
- $25.73
- Rating
- 4.5/5
- Reviews
- 2,308
- Age
- 6y ago

Solaray Calcium Citrate 1000mg - Chelated Calcium Supplement - Supports Bone Strength and Healthy Teeth - Easy to Digest - Vegan - 68 Servings 275 VegCaps
- Price
- $23.29
- Rating
- 4.4/5
- Reviews
- 5,542
- Age
- 6y 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
14 falling
Sellers
124
Est. top-5 brand share
74%
Top 20: 100%
Est. top-5 click share
53%
Top 20: 99%
Open market
21%
- Nature's Bounty35%
- SOLARAY18%
- 21st Century10%
- Pure Encapsulations6%
- KAL6%
- GNC5%
Demand
Calcium 1000mg search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.6×
Search terms
Top Calcium 1000mg search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- calcium 1000mg39K/yr
- calcium 1000 mg14K/yr
- calcium 1000mg for women14K/yr
- calcium 10009K/yr
- 1000mg calcium7K/yr
- calcium 1000 mg with vitamin d38K/yr
- 1000 mg calcium8K/yr
- calcium supplements for women 1000mg5K/yr
Reviews and returns
What reviews say buyers love and hate about Calcium 1000mg
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.
16 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 1000mg 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









