B 12 Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
B 12 sales on Amazon US totaled 474,000 units in July 2026 (▼ 14.7% vs. the prior month), generating an estimated $7,879,540 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 46.4% of unit volume and 51.5% of revenue, while a typical listing is priced at $16.83. The keyword itself pulled 15,213 Amazon queries over the same period (▲ 1.1% MoM).
Zooming out to the 12-month window ending July 2026, the b 12 Top 50 moved 5,377,900 units and $86,067,671 in cumulative sales — an average of 448,158 units and $7,172,306 per month. Monthly throughput topped out at 556,000 units in June 2026 and dipped to 286,000 in May 2026, leaving the latest reading 1.9% higher than August 2025.
B 12 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
474K
▼ 14.7% MoM
Monthly Revenue 2026/07
$7.9M
▼ 10.8% MoM
Top 10 Market Share 2026/07
46.4%
B 12 Market Share & Sales Concentration on Amazon US — July 2026
The most-sold b 12 listing on Amazon US in July 2026 is ASIN B00DYSUQR2 (Brand: Nature's Bounty), which sold 50,000 units at $9.97 apiece — equal to 10.5% of every unit tracked in this report and 25% ahead of the No. 2 listing.
The Top 10 ASINs account for 220,000 units and $4,060,800 in July 2026 — 46.4% of unit volume and 51.5% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'B 12' on Amazon
July 2026
Is 46.4% Top 10 share highly concentrated?
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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
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
B0938NKV1G
L Methyl Folate 15mg Plus Methyl B12 Cofactor – High Potency, Active 5-MTHF Form - Supports Mood, Methylation, Cognition – Bioactive Forms of Vitamin B9 & B12 (60 Capsules – 60 Servings)
30K
▼ 25.0%vs. prior month
$659.4K
latest month
12-month trend
B002BKW1YA
THORNE Vitamin B12 1,000 mcg, Active Methylcobalamin, 60 Capsules | Supports Methylation, Heart & Nerve Health, Cognitive Function & Healthy Homocysteine Levels*, NSF Contents Certified
20K
▲ 0.0%vs. prior month
$476.2K
latest month
12-month trend
B0B83PXLXW
L Methyl Folate 15mg Plus Methyl B12 Cofactor – Organic Berry Flavor, High Potency Liquid Sublingual Active 5-MTHF Form - Supports Mood, Methylation, Cognition – Bioactive Forms Vitamin B9 & B12 (1oz)
20K
▲ 0.0%vs. prior month
$439.6K
latest month
12-month trend
B0C9JX95NV
NUSAVA B12 Liquid Drops 5000mcg, Raspberry, Pack of 2 | Energy, Brain and Heart Support, Methylcobalamin B12 with B6, B1, Niacin and Folate, Sublingual Drops for Women and Men
20K
▲ 0.0%vs. prior month
$499K
latest month
12-month trend
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Best B 12 Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Nature Made is the best-performing b 12 brand in July 2026, moving 60,000 units across 3 ASINs for 27.3% of Top 10 volume. Nature's Bounty follows with 50,000 units (22.7%), ahead of Triquetra Health on 50,000 units (22.7%).
With 6 brands splitting the Top 10 and 72.7% 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 $9.97 to $21.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Nature Made
3 ASINs in Top 10
27.3%
Units
60K
Revenue
$874.6K
Avg. price
$13.23
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 sold40KB005DXM32M
$9.73·★4.7·29.9K revsNature Made Vitamin B12 1000 mcg Time Release Tablets, 160 Tablets | B12 Vitamins for Women and Men, Dietary Supplement for Energy Metabolism Support, Gluten Free, 160 Day Supply
Units sold10KB00CBXSO4I
$12.49·★4.8·14.6K revsNature Made Maximum Strength Vitamin B12 5000 mcg Softgels, 60 Softgels | Energy Metabolism Support Supplement for Men and Women, Helps Reduce Fatigue for Those Low in Vitamin B12, 60 Day Supply
Units sold10K
Nature's Bounty
1 ASIN in Top 10
22.7%
Units
50K
Revenue
$467K
Avg. price
$9.97
B00DYSUQR2
$9.97·★4.7·77.3K revsNature's Bounty Vitamin B12 1000 mcg Supplements, Supports Energy Metabolism, 200 Ct
Units sold50K
Triquetra Health
2 ASINs in Top 10
22.7%
Units
50K
Revenue
$1.1M
Avg. price
$21.99
B0938NKV1G
$21.99·★4.6·9.5K revsL Methyl Folate 15mg Plus Methyl B12 Cofactor – High Potency, Active 5-MTHF Form - Supports Mood, Methylation, Cognition – Bioactive Forms of Vitamin B9 & B12 (60 Capsules – 60 Servings)
Units sold30KB0B83PXLXW
$21.99·★4.5·6.1K revsL Methyl Folate 15mg Plus Methyl B12 Cofactor – Organic Berry Flavor, High Potency Liquid Sublingual Active 5-MTHF Form - Supports Mood, Methylation, Cognition – Bioactive Forms Vitamin B9 & B12 (1oz)
Units sold20K
Trending B 12 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, 3 ASINs forced its way in: B0058HX9GC booked 10K units at $22.50, with ▲ 0.0% MoM change.
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.
B0058HX9GC
Pure Encapsulations B12 Folate, 60 Capsules | Energy Supplement to Support Nerves, Energy Metabolism and Cognitive Function Support*, with Vitamin B Folate as Metafolin
Price
$22.50
Rating
4.8
Reviews
3.4K
Latest month sales
B00CBXSO4I
Nature Made Maximum Strength Vitamin B12 5000 mcg Softgels, 60 Softgels | Energy Metabolism Support Supplement for Men and Women, Helps Reduce Fatigue for Those Low in Vitamin B12, 60 Day Supply
Price
$12.49
Rating
4.8
Reviews
14.6K
Latest month sales
B00JYFN6DU
Pure Encapsulations B-Complex Plus, 120 Capsules | B Vitamins Supplement to Support Neurological Health, Cardiovascular Health, Energy Levels and Nervous System Support*
Unlock to view ASIN details and product titles
Price
$42.00
Rating
4.7
Reviews
11.2K
Latest month sales
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