Vitamin D3 1000iu Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Vitamin D3 1000iu sales on Amazon US totaled 391,900 units in July 2026 (▼ 11.5% vs. the prior month), generating an estimated $5,547,427 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 66.3% of unit volume and 65.0% of revenue, while a typical listing is priced at $15.88. The keyword itself pulled 31,064 Amazon queries over the same period (▼ 0.1% MoM).
Zooming out to the 12-month window ending July 2026, the vitamin d3 1000iu Top 50 moved 4,547,600 units and $66,457,543 in cumulative sales — an average of 378,967 units and $5,538,129 per month. Monthly throughput topped out at 443,000 units in June 2026 and dipped to 215,100 in May 2026, leaving the latest reading 13.4% higher than August 2025.
Vitamin D3 1000iu 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
391.9K
▼ 11.5% MoM
Monthly Revenue 2026/07
$5.5M
▼ 8.6% MoM
Top 10 Market Share 2026/07
66.3%
Vitamin D3 1000iu Market Share & Sales Concentration on Amazon US — July 2026
The most-sold vitamin d3 1000iu listing on Amazon US in July 2026 is ASIN B004U3Y8OM (Brand: Nature Made), which sold 50,000 units at $8.44 apiece — equal to 12.8% of every unit tracked in this report.
The Top 10 ASINs account for 260,000 units and $3,604,700 in July 2026 — 66.3% of unit volume and 65.0% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Vitamin D3 1000iu' on Amazon
July 2026
Is 66.3% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B004U3Y8OM
Nature Made Vitamin D3 1000 IU (25 mcg), 300 Vitamin D Softgels | Vitamin D Supplement for Immune, Bone, Teeth and Muscle Health Support, 300 Day Supply
50K
▲ 0.0%vs. prior month
$487K
latest month
12-month trend
B09SR2KX9D
Nature Made Vitamin D3 K2 Supplement, 30 Softgels | Vitamin D 5000 IU (125 mcg) for Immune, Bone, Teeth and Muscle Health Support, 30 Day Supply
50K
▼ 28.6%vs. prior month
$634.5K
latest month
12-month trend
B004GJYTF8
Nature Made Vitamin D3 2000 IU (50 mcg), 250 Vitamin D Softgels | Vitamin D Supplement for Immune, Bone, Teeth and Muscle Health Support, 250 Day Supply
30K
▲ 0.0%vs. prior month
$472.5K
latest month
12-month trend
B004U3Y8SI
Nature Made Vitamin D3 1000 IU (25 mcg), 180 Vitamin D Softgels | Vitamin D Supplement for Immune, Bone, Teeth and Muscle Health Support, 180 Day Supply
30K
▼ 25.0%vs. prior month
$217.5K
latest month
12-month trend
B004XLRTUQ
Vitafusion Vitamin D3 Gummies | 2000 IU (50 mcg) Per 2 Gummies | 150 Gummy Vitamins | for Adult Women and Men | Yummy Berry & Peach Flavor | Bone and Immune Supplement
20K
▲ 0.0%vs. prior month
$198.6K
latest month
12-month trend
B06WRNG37C
Dr. Berg Maximum Strength 7-in-1 Vitamin D3 K2 10,000 IU | Naturally Derived D3 | 4X Lab-Tested & Verified | High Absorption Formula | K2 D3 Vitamin Supplement | 120 Capsules
20K
▲ 0.0%vs. prior month
$719.8K
latest month
12-month trend
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Best Vitamin D3 1000iu Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Nature Made is the best-performing vitamin d3 1000iu brand in July 2026, moving 180,000 units across 5 ASINs for 69.2% of Top 10 volume. Vitafusion follows with 20,000 units (7.7%), ahead of Dr. Berg Nutritionals on 20,000 units (7.7%).
With 5 brands splitting the Top 10 and 84.6% 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 $8.14 to $35.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Nature Made
5 ASINs in Top 10
69.2%
Units
180K
Revenue
$2.1M
Avg. price
$11.64
B004U3Y8OM
$8.44·★4.8·61.1K revsNature Made Vitamin D3 1000 IU (25 mcg), 300 Vitamin D Softgels | Vitamin D Supplement for Immune, Bone, Teeth and Muscle Health Support, 300 Day Supply
Units sold50KB09SR2KX9D
$12.59·★4.7·10.9K revsNature Made Vitamin D3 K2 Supplement, 30 Softgels | Vitamin D 5000 IU (125 mcg) for Immune, Bone, Teeth and Muscle Health Support, 30 Day Supply
Units sold50KB004GJYTF8
$15.99·★4.8·25.1K revsNature Made Vitamin D3 2000 IU (50 mcg), 250 Vitamin D Softgels | Vitamin D Supplement for Immune, Bone, Teeth and Muscle Health Support, 250 Day Supply
Units sold30KB004U3Y8SI
$7.41·★4.8·61.1K revsNature Made Vitamin D3 1000 IU (25 mcg), 180 Vitamin D Softgels | Vitamin D Supplement for Immune, Bone, Teeth and Muscle Health Support, 180 Day Supply
Units sold30KB004U3Y8NI
$13.78·★4.7·26.5K revsNature Made Vitamin D3 2000 IU (50 mcg), 220 Vitamin D Tablets | Vitamin D Supplement for Immune, Bone, Teeth and Muscle Health Support, 220 Day Supply
Units sold20K
Vitafusion
1 ASIN in Top 10
7.7%
Units
20K
Revenue
$198.6K
Avg. price
$8.14
B004XLRTUQ
$8.14·★4.8·54.6K revsVitafusion Vitamin D3 Gummies | 2000 IU (50 mcg) Per 2 Gummies | 150 Gummy Vitamins | for Adult Women and Men | Yummy Berry & Peach Flavor | Bone and Immune Supplement
Units sold20K
Dr. Berg Nutritionals
1 ASIN in Top 10
7.7%
Units
20K
Revenue
$719.8K
Avg. price
$35.99
B06WRNG37C
$35.99·★4.7·26.5K revsDr. Berg Maximum Strength 7-in-1 Vitamin D3 K2 10,000 IU | Naturally Derived D3 | 4X Lab-Tested & Verified | High Absorption Formula | K2 D3 Vitamin Supplement | 120 Capsules
Units sold20K
Trending Vitamin D3 1000iu 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, B004U3Y8NI leads positive momentum with ▲ 100.0% MoM growth on 20K units, with B001KYOJC0 close behind at ▲ 100.0% MoM on 4K 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.
B004U3Y8NI
Nature Made Vitamin D3 2000 IU (50 mcg), 220 Vitamin D Tablets | Vitamin D Supplement for Immune, Bone, Teeth and Muscle Health Support, 220 Day Supply
Price
$13.78
Rating
4.7
Reviews
26.5K
Latest month sales
B001KYOJC0
Nature's Bounty Vitamin D3 1000 IU, Immune Support, 250 Count | Helps Maintain Healthy Bones, 250 Rapid Release Softgels
Price
$8.60
Rating
4.7
Reviews
49.9K
Latest month sales
B0B13B147F
Bronson Vitamin D3 10,000 IU (250 mcg) Immune & Muscle Support, 360 Tablets | Bone & Teeth Support, Non-GMO, Gluten-Free & Soy-Free
Unlock to view ASIN details and product titles
Price
$8.97
Rating
4.7
Reviews
11.1K
Latest month sales
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