Vitamin C 500mg Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Vitamin C 500mg sales on Amazon US totaled 232,900 units in July 2026 (▼ 7.8% vs. the prior month), generating an estimated $3,376,439 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 56.7% of unit volume and 47.2% of revenue, while a typical listing is priced at $16.15. The keyword itself pulled 33,506 Amazon queries over the same period (▲ 8.1% MoM).
Zooming out to the 12-month window ending July 2026, the vitamin c 500mg Top 50 moved 2,815,050 units and $39,879,869 in cumulative sales — an average of 234,588 units and $3,323,322 per month. Monthly throughput topped out at 260,800 units in February 2026 and dipped to 143,900 in May 2026, leaving the latest reading 1.1% higher than August 2025.
Vitamin C 500mg 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
232.9K
▼ 7.8% MoM
Monthly Revenue 2026/07
$3.4M
▼ 8.3% MoM
Top 10 Market Share 2026/07
56.7%
Vitamin C 500mg Market Share & Sales Concentration on Amazon US — July 2026
The most-sold vitamin c 500mg listing on Amazon US in July 2026 is ASIN B0000DJASY (Brand: Nature Made), which sold 40,000 units at $9.50 apiece — equal to 17.2% of every unit tracked in this report and 2.0× the volume of the No. 2 listing.
The Top 10 ASINs account for 132,000 units and $1,594,620 in July 2026 — 56.7% of unit volume and 47.2% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Vitamin C 500mg' on Amazon
July 2026
Is 56.7% 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
B018EAPQ38
Nature Made Vitamin C 500 mg Tablets for Daily Immune Support, 100 Count | Adult Vitamin C Tablets for Immune Support and Antioxidant Support, 100 Day Supply
20K
▲ 0.0%vs. prior month
$125.2K
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
B08FNSB7YN
Nature Made Extra Strength Dosage Vitamin C 500mg per Serving, 60 Gummies | Adult Vitamin C Immune Support Gummies, For Daily Immune Support and Antioxidant Support, Tangerine Flavor, 30 Day Supply
10K
▲ 0.0%vs. prior month
$114.9K
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 500mg Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Nature Made is the best-performing vitamin c 500mg brand in July 2026, moving 70,000 units across 3 ASINs for 53.0% of Top 10 volume. Nature's Bounty follows with 18,000 units (13.6%), ahead of Nutricost on 10,000 units (7.6%).
With 7 brands splitting the Top 10 and 74.2% 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 $9.49 to $17.95, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Nature Made
3 ASINs in Top 10
53.0%
Units
70K
Revenue
$588.1K
Avg. price
$9.49
B0000DJASY
$9.50·★4.8·41.2K 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 sold40KB018EAPQ38
$7.49·★4.8·8.5K revsNature Made Vitamin C 500 mg Tablets for Daily Immune Support, 100 Count | Adult Vitamin C Tablets for Immune Support and Antioxidant Support, 100 Day Supply
Units sold20KB08FNSB7YN
$11.49·★4.8·7.5K revsNature Made Extra Strength Dosage Vitamin C 500mg per Serving, 60 Gummies | Adult Vitamin C Immune Support Gummies, For Daily Immune Support and Antioxidant Support, Tangerine Flavor, 30 Day Supply
Units sold10K
Nature's Bounty
2 ASINs in Top 10
13.6%
Units
18K
Revenue
$188.9K
Avg. price
$11.04
B0019GE9HE
$7.68·★4.8·49.6K revsNature's Bounty Vitamin C + Rose Hips, Vegetarian Caplets, 100 Count | Immune Support, 1000mg Vitamin C, Coated Caplets, 1 Serving per Day
Units sold10KB000GG87V2
$14.39·★4.7·56.4K revsNature's Bounty Vitamin C 500mg, 250 Tablets | Supports a Healthy Immune System, Daily Vitamin Supplement, 250 Vegetarian Tablets
Units sold8K
Nutricost
1 ASIN in Top 10
7.6%
Units
10K
Revenue
$179.5K
Avg. price
$17.95
B074GCB1ND
$17.95·★4.8·24.1K revsNutricost Vitamin C with Rose Hips 1025mg, 240 Capsules, Gluten Free | Vitamin C 1,000mg, Rose Hips 25mg, GMO-Free
Units sold10K
Trending Vitamin C 500mg 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: B07122C9VC booked 7K units at $13.32, with ▼ 12.5% MoM change. On the growth side, B08WBN1THJ leads positive momentum with ▲ 200.0% MoM growth on 3K units, with B000A0HCM4 close behind at ▲ 75.0% MoM on 700 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.
B07122C9VC
Amazon Basics Vitamin C 1000mg, Supports Healthy Immune System, Vegan, 300 Tablets, 10 month supply (Previously Amazon Elements)
Price
$13.32
Rating
4.8
Reviews
22.7K
Latest month sales
B08WBN1THJ
Vitafusion Vitamin C 500 mg Per 4 Gummies | 92 Gummy Vitamins | for Adult Women & Men | Extra Strength Power C | Yummy Tropical Citrus Flavor | Immune Support Supplement
Price
$6.99
Rating
4.6
Reviews
2K
Latest month sales
B000A0HCM4
NOW Foods Supplements, Vitamin C-500, Antioxidant Protection*, Orange Juice Flavor, 100 Chewable Lozenges
Unlock to view ASIN details and product titles
Price
$9.90
Rating
4.5
Reviews
1.2K
Latest month sales
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