Calcium Citrate Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Calcium Citrate sales on Amazon US totaled 187,000 units in July 2026 (▼ 6.7% vs. the prior month), generating an estimated $3,822,183 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 62.0% of unit volume and 59.2% of revenue, while a typical listing is priced at $22.20. The keyword itself pulled 70,346 Amazon queries over the same period (▲ 8.0% MoM).
Zooming out to the 12-month window ending July 2026, the calcium citrate Top 50 moved 2,025,350 units and $41,412,405 in cumulative sales — an average of 168,779 units and $3,451,034 per month. Monthly throughput topped out at 200,500 units in June 2026 and dipped to 117,000 in May 2026, leaving the latest reading 18.6% higher than August 2025.
Calcium Citrate Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
187K
▼ 6.7% MoM
Monthly Revenue 2026/07
$3.8M
▼ 9.8% MoM
Top 10 Market Share 2026/07
62.0%
Calcium Citrate Market Share & Sales Concentration on Amazon US — July 2026
The most-sold calcium citrate listing on Amazon US in July 2026 is ASIN B0016KITZ6 (Brand: Nature's Bounty), which sold 20,000 units at $8.12 apiece — equal to 10.7% of every unit tracked in this report.
The Top 10 ASINs account for 116,000 units and $2,263,040 in July 2026 — 62.0% of unit volume and 59.2% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Calcium Citrate' on Amazon
July 2026
Is 62.0% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
Powered by ASINSIGHT MCP · Grounded in ASINSIGHT Amazon data
Top 5 Volume Share breakdown
B0016KITZ6
Nature's Bounty Calcium 1200mg with 1000 IU Vitamin D3, 120 Count | Bone Health & Immune Support Softgels, Calcium and Vitamin D Supplement, Gluten Free, 2 Softgels per Day
20K
▲ 0.0%vs. prior month
$175.2K
latest month
12-month trend
B002FH5I0I
Nature Made Calcium 600 mg with Vitamin D3 for Bone Support, 220 Tablets | Calcium Supplement for Bone Health, Dietary Supplement with Calcium and Vitamin D
20K
▲ 0.0%vs. prior month
$323.8K
latest month
12-month trend
B07RF1QQ4H
CITRACAL Slow Release- Calcium 1200 mg with Vitamin D3, Magnesium, Calcium Supplement, Bone Health Support, Take Once Daily Caplet, 185 Count
10K
▼ 50.0%vs. prior month
$248.3K
latest month
12-month trend
B0013TMWIK
Caltrate 600 Plus D3 Vitamin D and Calcium Supplement Tablets, 200 Count | Highest Level of Vitamin D3, Maximizes Calcium Absorption to Support Strong Bones and Daily Function
10K
▲ 0.0%vs. prior month
$167.8K
latest month
12-month trend
B00172XUWU
Pure Encapsulations Calcium (Citrate), 180 Capsules | Supplement for Bone, Teeth, Colon, and Cardiovascular Health Support*, with Premium Calcium Citrate
10K
▲ 0.0%vs. prior month
$325K
latest month
12-month trend
B0017CRZIK
Pure Encapsulations Magnesium (Citrate), 180 Capsules | Supplement for Sleep, Heart Health, Brain Health, Bone Health, Energy, Muscles, and Metabolism*, with Premium Magnesium
10K
▲ 0.0%vs. prior month
$345K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Calcium Citrate Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Nature's Bounty is the best-performing calcium citrate brand in July 2026, moving 30,000 units across 2 ASINs for 25.9% of Top 10 volume. Pure Encapsulations follows with 29,000 units (25.0%), ahead of Nature Made on 20,000 units (17.2%).
With 6 brands splitting the Top 10 and 68.1% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $11.24 to $27.00, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Nature's Bounty
2 ASINs in Top 10
25.9%
Units
30K
Revenue
$351.1K
Avg. price
$13.86
B0016KITZ6
$8.12·★4.6·43.8K revsNature's Bounty Calcium 1200mg with 1000 IU Vitamin D3, 120 Count | Bone Health & Immune Support Softgels, Calcium and Vitamin D Supplement, Gluten Free, 2 Softgels per Day
Units sold20KB009IMJOO4
$19.59·★4.6·43.8K revsNature's Bounty Calcium 1200 mg with 1000 IU Vitamin D3, 2 Per Day, 120 Ct
Units sold10K
Pure Encapsulations
3 ASINs in Top 10
25.0%
Units
29K
Revenue
$796K
Avg. price
$27.00
B00172XUWU
$32.50·★4.7·6.1K revsPure Encapsulations Calcium (Citrate), 180 Capsules | Supplement for Bone, Teeth, Colon, and Cardiovascular Health Support*, with Premium Calcium Citrate
Units sold10KB0017CRZIK
$34.50·★4.7·13.9K revsPure Encapsulations Magnesium (Citrate), 180 Capsules | Supplement for Sleep, Heart Health, Brain Health, Bone Health, Energy, Muscles, and Metabolism*, with Premium Magnesium
Units sold10KB0BKNL1XDS
$14.00·★4.7·6.1K revsPure Encapsulations Calcium (Citrate), 60 Capsules | Supplement for Bone, Teeth, Colon, and Cardiovascular Health Support*, with Premium Calcium Citrate
Units sold9K
Nature Made
1 ASIN in Top 10
17.2%
Units
20K
Revenue
$323.8K
Avg. price
$11.24
B002FH5I0I
$11.24·★4.7·27.4K revsNature Made Calcium 600 mg with Vitamin D3 for Bone Support, 220 Tablets | Calcium Supplement for Bone Health, Dietary Supplement with Calcium and Vitamin D
Units sold20K
Trending Calcium Citrate Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. On the growth side, B0043ZLTT4 leads positive momentum with ▲ 75.0% MoM growth on 7K units, with B0FN3MV96C close behind at ▲ 25.0% MoM on 1K units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0043ZLTT4
CITRACAL Petites, 400 mg Calcium Citrate, Easily Absorbed and Highly Soluble with 12.5 mcg (500 IU) Vitamin D3, Smaller and Easier to Swallow Caplets, 200 Count
Price
$10.92
Rating
4.7
Reviews
7.7K
Latest month sales
B0FN3MV96C
2 Packs 2000mg Calcium Citrate with Vitamin D3 K2 Supplements Gummies for Women & Men, Magnesium, Zinc, High Absorption, Bone, Muscle & Immune Support, 120 Counts Peach Flavor Gummies
Price
$28.99
Rating
4.6
Reviews
224
Latest month sales
B002NUNDK4
CITRACAL Maximum Plus Calcium Supplement - Calcium Citrate with Vitamin D3, Zinc, & Essential Minerals for Bone Health Support, Ages 12+, 120 Count (Packaging May Vary)
Unlock to view ASIN details and product titles
Price
$13.01
Rating
4.7
Reviews
4.5K
Latest month sales
One Amazon dataset. Two ways to use it.
Every number in this calcium citrate report comes from the Amazon market data ASINSIGHT tracks. Pick how you want to work with it.
Explore the full data
Browse the complete, structured picture in a ready-made interface — and keep tracking it as the market moves.
- Organic vs. ad traffic shifts per product
- Hourly rank and search-volume tracking
- Competitor ASINs and historical trends
Starts with a free ASINSIGHT account
Analyze the data your way
Connect the same data to ChatGPT, Claude or Cursor, then combine any dimensions to answer your own questions.
- Combine product, keyword, sales & ranking data freely
- Follow up in your own words, no fixed reports
- Works in ChatGPT, Claude & Cursor
20,000 credits/mo free, no credit card