Vitamin C 1000mg Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Vitamin C 1000mg sales on Amazon US totaled 289,800 units in July 2026 (▼ 5.0% vs. the prior month), generating an estimated $5,242,170 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 47.3% of unit volume and 37.7% of revenue, while a typical listing is priced at $20.71. The keyword itself pulled 67,357 Amazon queries over the same period (▲ 7.7% MoM).
Zooming out to the 12-month window ending July 2026, the vitamin c 1000mg Top 50 moved 3,746,900 units and $65,651,089 in cumulative sales — an average of 312,242 units and $5,470,924 per month. Monthly throughput topped out at 358,500 units in January 2026 and dipped to 173,800 in May 2026, leaving the latest reading 9.1% lower than August 2025.
Vitamin C 1000mg 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
289.8K
▼ 5.0% MoM
Monthly Revenue 2026/07
$5.2M
▼ 7.7% MoM
Top 10 Market Share 2026/07
47.3%
Vitamin C 1000mg Market Share & Sales Concentration on Amazon US — July 2026
The most-sold vitamin c 1000mg listing on Amazon US in July 2026 is ASIN B0000DJASY (Brand: Nature Made), which sold 40,000 units at $8.53 apiece — equal to 13.8% of every unit tracked in this report and 2.0× the volume of the No. 2 listing.
The Top 10 ASINs account for 137,000 units and $1,978,860 in July 2026 — 47.3% of unit volume and 37.7% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Vitamin C 1000mg' on Amazon
July 2026
Is 47.3% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B0000DJASY
Nature Made Extra Strength Vitamin C 1000 mg Tablets, 100 Count | Adult Vitamin C Tablets for Immune Support and Antioxidant Support, 100 Day Supply
40K
▲ 0.0%vs. prior month
$348K
latest month
12-month trend
B00016RL9G
Emergen-C Vitamin C 1000mg Immune Support Powder, Orange, 30 ct | B Vitamins for Energy, Zinc and Manganese, Vitamin D, Electrolytes, Natural Flavor, Dissolves Quick
20K
▲ 100.0%vs. prior month
$244.6K
latest month
12-month trend
B0019GE9HE
Nature's Bounty Vitamin C + Rose Hips, Vegetarian Caplets, 100 Count | Immune Support, 1000mg Vitamin C, Coated Caplets, 1 Serving per Day
10K
▲ 0.0%vs. prior month
$76.7K
latest month
12-month trend
B074GCB1ND
Nutricost Vitamin C with Rose Hips 1025mg, 240 Capsules, Gluten Free | Vitamin C 1,000mg, Rose Hips 25mg, GMO-Free
10K
▲ 0.0%vs. prior month
$179.5K
latest month
12-month trend
B08KHZQTML
Nature's Bounty Immune 24 Hour +, 2 Softgels per Day, 50 Count | Only Vitamin C with 24 Hour Immune Support from Ester-C, 1000 mg Vitamin C, D & Zinc, Gluten Free, Rapid Release Softgels
10K
▲ 0.0%vs. prior month
$99.5K
latest month
12-month trend
B09FYFM7N3
THORNE Vitamin C 500 mg, Citrus Bioflavonoids from Oranges, 90 Capsules | Supports Optimal Immune Function, Collagen Production & Liver Detoxification*, Antioxidant Properties, NSF Contents Certified
10K
▲ 0.0%vs. prior month
$230K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Vitamin C 1000mg Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Nature Made is the best-performing vitamin c 1000mg brand in July 2026, moving 50,000 units across 2 ASINs for 36.5% of Top 10 volume. Emergen-C follows with 30,000 units (21.9%), ahead of Nature's Bounty on 20,000 units (14.6%).
With 7 brands splitting the Top 10 and 73.0% 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 $8.75 to $21.46, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Nature Made
2 ASINs in Top 10
36.5%
Units
50K
Revenue
$465.2K
Avg. price
$10.26
B0000DJASY
$8.53·★4.8·41.1K revsNature Made Extra Strength Vitamin C 1000 mg Tablets, 100 Count | Adult Vitamin C Tablets for Immune Support and Antioxidant Support, 100 Day Supply
Units sold40KB0CBVWPPR9
$11.99·★4.7·3.7K revsNature Made Vitamin C Gummies, Maximum Strength Dosage, 80 Count | Vitamin C 1000mg per Serving, Adult Vitamin C Immune Support Gummies, Daily Immune Support, Tangerine Flavor, 20 Day Supply
Units sold10K
Emergen-C
2 ASINs in Top 10
21.9%
Units
30K
Revenue
$564.8K
Avg. price
$21.46
B00016RL9G
$12.98·★4.8·54.1K revsEmergen-C Vitamin C 1000mg Immune Support Powder, Orange, 30 ct | B Vitamins for Energy, Zinc and Manganese, Vitamin D, Electrolytes, Natural Flavor, Dissolves Quick
Units sold20KB0CF5Z1G6J
$29.95·★4.8·4.9K revsEmergen-C 1000mg Vitamin C Immune Support Powder, Super Orange, 90 ct | B Vitamins for Energy, Zinc and Manganese, Vitamin D, Electrolytes, 3 Month Supply, Natural Flavor
Units sold10K
Nature's Bounty
2 ASINs in Top 10
14.6%
Units
20K
Revenue
$176.2K
Avg. price
$8.75
B0019GE9HE
$7.68·★4.8·49.5K revsNature's Bounty Vitamin C + Rose Hips, Vegetarian Caplets, 100 Count | Immune Support, 1000mg Vitamin C, Coated Caplets, 1 Serving per Day
Units sold10KB08KHZQTML
$9.81·★4.7·5.6K revsNature's Bounty Immune 24 Hour +, 2 Softgels per Day, 50 Count | Only Vitamin C with 24 Hour Immune Support from Ester-C, 1000 mg Vitamin C, D & Zinc, Gluten Free, Rapid Release Softgels
Units sold10K
Trending Vitamin C 1000mg 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: B0013P1GD6 booked 8K units at $9.99, with ▲ 14.3% MoM change. On the growth side, B08FNG91XM leads positive momentum with ▲ 250.0% MoM growth on 7K units, with B00016RL9G close behind at ▲ 100.0% MoM on 20K 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.
B0013P1GD6
NOW Foods Supplements, Vitamin C-1,000 with Rose Hips, Sustained Release, Antioxidant Protection*, 250 Tablets
Price
$9.99
Rating
4.8
Reviews
19.9K
Latest month sales
B08FNG91XM
Nature Made Chewable Vitamin C 1000 mg per Serving, 90 Tablets | Extra Strength Dosage Adult Vitamin C Chewable Tablets for Immune Support & Antioxidant Support, Orange Flavor, 45 Day Supply
Price
$15.89
Rating
4.7
Reviews
17.4K
Latest month sales
B00016RL9G
Emergen-C Vitamin C 1000mg Immune Support Powder, Orange, 30 ct | B Vitamins for Energy, Zinc and Manganese, Vitamin D, Electrolytes, Natural Flavor, Dissolves Quick
Unlock to view ASIN details and product titles
Price
$12.98
Rating
4.8
Reviews
54.1K
Latest month sales
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