Caltrate Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Caltrate sales on Amazon US totaled 275,000 units in July 2026 (▼ 9.2% vs. the prior month), generating an estimated $5,105,040 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 43.6% of unit volume and 37.0% of revenue, while a typical listing is priced at $20.03. The keyword itself pulled 13,992 Amazon queries over the same period (▼ 1.6% MoM).
Zooming out to the 12-month window ending July 2026, the caltrate Top 50 moved 3,122,600 units and $59,062,640 in cumulative sales — an average of 260,217 units and $4,921,887 per month. Monthly throughput topped out at 303,000 units in June 2026 and dipped to 165,200 in May 2026, leaving the latest reading 11.2% higher than August 2025.
Caltrate 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
275K
▼ 9.2% MoM
Monthly Revenue 2026/07
$5.1M
▼ 13.7% MoM
Top 10 Market Share 2026/07
43.6%
Caltrate Market Share & Sales Concentration on Amazon US — July 2026
The most-sold caltrate 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 7.3% of every unit tracked in this report.
The Top 10 ASINs account for 120,000 units and $1,886,700 in July 2026 — 43.6% of unit volume and 37.0% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Caltrate' on Amazon
July 2026









Is 43.6% Top 10 share highly concentrated?
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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

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

B003DRD3PG
Vitafusion Calcium Gummies 500 mg Per 2 Gummies with Vitamin D3 | 100 Gummy Vitamins | for Adult Women and Men | Yummy Fruit & Cream Flavors | Supplement 50 Days Supply
10K
▲ 0.0%vs. prior month
$76.3K
latest month
12-month trend

B004N6GAAQ
Viactiv Calcium + Vitamin D Supplement Soft Chews, 60 Count, Caramel
10K
▲ 0.0%vs. prior month
$99.4K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Caltrate Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Nature Made is the best-performing caltrate brand in July 2026, moving 30,000 units across 2 ASINs for 25.0% of Top 10 volume. Nature's Bounty follows with 20,000 units (16.7%), ahead of Caltrate on 20,000 units (16.7%).
Volume is spread across 7 brands, with the top three holding 58.3% between them. No single label controls the shelf, which usually leaves room for a well-differentiated listing to take share without outspending an incumbent. Average selling prices among the leaders run from $8.12 to $17.79, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Nature Made
2 ASINs in Top 10
25.0%
Units
30K
Revenue
$422.7K
Avg. price
$10.83

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 sold20K
B008HEZ6TG
$10.42·★4.5·4.5K revsNature Made Calcium Gummies 500 mg per Serving with Vitamin D3, 80 Gummies | Calcium Supplement for Bone Support, Calcium with Vitamin D Gummies, Cherry, Orange and Strawberry Flavors, 40 Day Supply
Units sold10K
Nature's Bounty
1 ASIN in Top 10
16.7%
Units
20K
Revenue
$175.2K
Avg. price
$8.12

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 sold20K
Caltrate
2 ASINs in Top 10
16.7%
Units
20K
Revenue
$355.7K
Avg. price
$17.79

B0013TMWIK
$16.78·★4.7·16.7K revsCaltrate 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
Units sold10K
B00K7RQ1KE
$18.79·★4.8·7.8K revsCaltrate 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
Units sold10K
Trending Caltrate 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 $18.79, with ▲ 150.0% MoM change. On the growth side, B0C3K1QN5Q leads positive momentum with ▲ 100.0% MoM growth on 2K units, with B0043ZLTT4 close behind at ▲ 75.0% MoM on 7K 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
$18.79
Rating
4.8
Reviews
7.8K
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
Price
$14.82
Rating
4.7
Reviews
1.6K
Latest month sales

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
Unlock to view ASIN details and product titles
Price
$10.92
Rating
4.7
Reviews
7.7K
Latest month sales
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