Calcium Carbonate Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Calcium Carbonate sales on Amazon US totaled 224,200 units in July 2026 (▼ 6.7% vs. the prior month), generating an estimated $4,163,161 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 53.5% of unit volume and 48.2% of revenue, while a typical listing is priced at $18.01. The keyword itself pulled 13,954 Amazon queries over the same period (▼ 4.2% MoM).
Zooming out to the 12-month window ending July 2026, the calcium carbonate Top 50 moved 2,498,650 units and $46,802,676 in cumulative sales — an average of 208,221 units and $3,900,223 per month. Monthly throughput topped out at 240,200 units in June 2026 and dipped to 134,850 in May 2026, leaving the latest reading 10.1% higher than August 2025.
Calcium Carbonate 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
224.2K
▼ 6.7% MoM
Monthly Revenue 2026/07
$4.2M
▼ 10.8% MoM
Top 10 Market Share 2026/07
53.5%
Calcium Carbonate Market Share & Sales Concentration on Amazon US — July 2026
The most-sold calcium carbonate 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 8.9% of every unit tracked in this report.
The Top 10 ASINs account for 120,000 units and $2,004,700 in July 2026 — 53.5% of unit volume and 48.2% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Calcium Carbonate' on Amazon
July 2026
Is 53.5% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
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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
B000OD1F7U
Nature Made Calcium Magnesium Zinc with Vitamin D3, 300 Tablets | Magnesium and Calcium Supplement for Bone Support, Vitamin D and Zinc Support a Healthy Immune System
10K
▲ 0.0%vs. prior month
$117.3K
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
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Best Calcium Carbonate Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Nature's Bounty is the best-performing calcium carbonate brand in July 2026, moving 30,000 units across 2 ASINs for 25.0% of Top 10 volume. Nature Made follows with 30,000 units (25.0%), ahead of CITRACAL on 20,000 units (16.7%).
With 6 brands splitting the Top 10 and 66.7% 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 $11.97 to $22.73, 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
25.0%
Units
30K
Revenue
$351.1K
Avg. price
$13.86
B0016KITZ6
$8.12·★4.6·43.9K 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·★4.6·43.9K revsNature's Bounty Calcium 1200 mg with 1000 IU Vitamin D3, 2 Per Day, 120 Ct | Bone Health & Immune Support Softgels, Calcium and Vitamin D Supplement, Gluten Free, 2 Softgels per Day, 120 Count
Units sold10K
Nature Made
2 ASINs in Top 10
25.0%
Units
30K
Revenue
$441.1K
Avg. price
$11.97
B002FH5I0I
$11.24·★4.7·27.5K 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 sold20KB000OD1F7U
$12.70·★4.8·20.2K revsNature Made Calcium Magnesium Zinc with Vitamin D3, 300 Tablets | Magnesium and Calcium Supplement for Bone Support, Vitamin D and Zinc Support a Healthy Immune System
Units sold10K
CITRACAL
2 ASINs in Top 10
16.7%
Units
20K
Revenue
$432.4K
Avg. price
$22.73
B07RF1QQ4H
$24.98·★4.7·11.5K revsCITRACAL Slow Release- Calcium 1200 mg with Vitamin D3, Magnesium, Calcium Supplement, Bone Health Support, Take Once Daily Caplet, 185 Count
Units sold10KB07RCJY6WD
$20.47·★4.7·8.5K revsCITRACAL Petites- Calcium Citrate with Vitamin D3, Bone Health Support, Calcium Supplement for Ages 12+, 375 Count (Packaging May Vary)
Units sold10K
Trending Calcium Carbonate 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. Specifically, one ASIN forced its way in: B00K7RQ1KE booked 10K units at $18.23, with ▲ 150.0% MoM change. On the growth side, B0F89M3K56 leads positive momentum with ▲ 150.0% MoM growth on 500 units, with B0C3K1QN5Q close behind at ▲ 100.0% MoM on 2K 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.
B00K7RQ1KE
Caltrate Minis 600 Plus D3 Vitamin D and Calcium Supplement Tablets, 150 Ct | Highest Level of Vitamin D3, Maximizes Calcium Absorption to Support Strong Bones and Daily Function
Price
$18.23
Rating
4.8
Reviews
7.8K
Latest month sales
B0F89M3K56
FREEDA Calcium 600mg Tablets for Bone, Joint & Teeth Support – 100 Count | Gluten-Free, Easy-to-Swallow Coated Tablets to Support Healthy Bones, Joints, Teeth, Muscle Function & Nerve Health
Price
$15.95
Rating
4.7
Reviews
51
Latest month sales
B0C3K1QN5Q
Calcium 1200 mg with Vitamin D3 - Bone Health Supplement, Vitamin D & Calcium Supplements for Women & Men - Bone Strength, Teeth & Immune Support, Nature's Calcium Pills, Bottled in USA - 240 Tablets
Unlock to view ASIN details and product titles
Price
$14.82
Rating
4.7
Reviews
1.6K
Latest month sales
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