B Vitamins Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
B Vitamins sales on Amazon US totaled 999,000 units in July 2026 (▼ 17.4% vs. the prior month), generating an estimated $20,096,450 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 41.0% of unit volume and 36.0% of revenue, while a typical listing is priced at $19.31. The keyword itself pulled 19,420 Amazon queries over the same period (▲ 5.8% MoM).
Zooming out to the 12-month window ending July 2026, the b vitamins Top 50 moved 12,011,850 units and $238,737,094 in cumulative sales — an average of 1,000,988 units and $19,894,758 per month. Monthly throughput topped out at 1,209,000 units in June 2026 and dipped to 595,000 in May 2026, leaving the latest reading 4.9% lower than August 2025.
B Vitamins 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
999K
▼ 17.4% MoM
Monthly Revenue 2026/07
$20.1M
▼ 17.2% MoM
Top 10 Market Share 2026/07
41.0%
B Vitamins Market Share & Sales Concentration on Amazon US — July 2026
The most-sold b vitamins listing on Amazon US in July 2026 is ASIN B00DYSUQR2 (Brand: Nature's Bounty), which sold 50,000 units at $9.12 apiece — equal to 5.0% of every unit tracked in this report and 25% ahead of the No. 2 listing.
The Top 10 ASINs account for 410,000 units and $7,226,200 in July 2026 — 41.0% of unit volume and 36.0% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'B Vitamins' on Amazon
July 2026
Is 41.0% 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
B00DYSUQR2
Nature's Bounty Vitamin B12 1000 mcg Supplements, Supports Energy Metabolism, 200 Ct
50K
▼ 16.7%vs. prior month
$467K
latest month
12-month trend
B001F71XAI
One A Day Multivitamin for Men - Daily Mens Multivitamins with Vitamin D, Zinc, Folic Acid, and B Vitamins, Physical Energy Support, 200 Count
40K
▼ 33.3%vs. prior month
$608K
latest month
12-month trend
B09KCCVL9V
Centrum Silver Women's Multivitamin for Women 50 and Over, 200 Tablets | Contains Vitamin D3, B Vitamins, Calcium, and Antioxidants, Non-GMO Ingredients, Supports Memory and Cognition, GLP-1 Support
40K
▲ 33.3%vs. prior month
$732.4K
latest month
12-month trend
B009SZXM4E
Nature's Bounty Biotin Hair Skin and Nails Vitamins, 120 Softgels | Supports Healthy Hair, Skin and Nails, 10,000mcg
40K
▼ 20.0%vs. prior month
$328.4K
latest month
12-month trend
B00DS5BGDY
Nature Made Vitamin B12 1000 mcg, Energy Metabolism Support, 150 Softgels | B12 Vitamins 1000 mcg, Energy Metabolism Support Supplement for Women and Men, Gluten Free, 150 Day Supply
40K
▼ 20.0%vs. prior month
$630.8K
latest month
12-month trend
B00FOTMGTU
THORNE Basic Nutrients 2/Day, Vitamin & Mineral Formula, 60 Capsules | Comprehensive Daily Multi-Vitamin with Optimal Bioavailability, Gluten, Dairy & Soy-Free, NSF Contents Certified
40K
▲ 0.0%vs. prior month
$1.4M
latest month
12-month trend
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Best B Vitamins Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Nature's Bounty is the best-performing b vitamins brand in July 2026, moving 130,000 units across 3 ASINs for 31.7% of Top 10 volume. Nature Made follows with 80,000 units (19.5%), ahead of ONE A DAY on 40,000 units (9.8%).
With 7 brands splitting the Top 10 and 61.0% 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 $9.50 to $19.37, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Nature's Bounty
3 ASINs in Top 10
31.7%
Units
130K
Revenue
$1.2M
Avg. price
$9.50
B00DYSUQR2
$9.12·★4.7·77.3K revsNature's Bounty Vitamin B12 1000 mcg Supplements, Supports Energy Metabolism, 200 Ct
Units sold50KB009SZXM4E
$7.99·★4.7·122.3K revsNature's Bounty Biotin Hair Skin and Nails Vitamins, 120 Softgels | Supports Healthy Hair, Skin and Nails, 10,000mcg
Units sold40KB0072F8D7S
$11.40·★4.6·72.4K revsNature's Bounty Advanced Hair, Skin & Nails, 150 Rapid Release Softgels | Argan-Infused Vitamin Supplement with Biotin and Hyaluronic Acid, 50 Total Servings
Units sold40K
Nature Made
2 ASINs in Top 10
19.5%
Units
80K
Revenue
$1.4M
Avg. price
$19.37
B00DS5BGDY
$17.48·★4.7·45.6K revsNature Made Vitamin B12 1000 mcg, Energy Metabolism Support, 150 Softgels | B12 Vitamins 1000 mcg, Energy Metabolism Support Supplement for Women and Men, Gluten Free, 150 Day Supply
Units sold40KB07BXVFC32
$21.25·★4.7·41.8K revsNature Made Prenatal Vitamins for Women with Folic Acid + DHA, 110 Softgels | Prenatal Vitamin and Mineral Supplement for Daily Nutritional Support, With Folic Acid and 19 Other Nutrients, 110 Day Supply
Units sold40K
ONE A DAY
1 ASIN in Top 10
9.8%
Units
40K
Revenue
$608K
Avg. price
$13.99
B001F71XAI
$13.99·★4.7·58.2K revsOne A Day Multivitamin for Men - Daily Mens Multivitamins with Vitamin D, Zinc, Folic Acid, and B Vitamins, Physical Energy Support, 200 Count
Units sold40K
Trending B Vitamins 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: B09KCCVL9V booked 40K units at $14.68, with ▲ 33.3% MoM change. On the growth side, B018EAQ6YG leads positive momentum with ▲ 25.0% MoM growth on 10K 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.
B09KCCVL9V
Centrum Silver Women's Multivitamin for Women 50 and Over, 200 Tablets | Contains Vitamin D3, B Vitamins, Calcium, and Antioxidants, Non-GMO Ingredients, Supports Memory and Cognition, GLP-1 Support
Price
$14.68
Rating
4.8
Reviews
35.2K
Latest month sales
B018EAQ6YG
Nature Made Vitamin B6 100mg, 100 Tablets | B6 Vitamins for Energy Metabolism Support, Helps Support Nervous System Function, Gluten Free, 100 Day Supply
Price
$10.49
Rating
4.8
Reviews
6.2K
Latest month sales
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