B12 Vitamins Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
B12 Vitamins sales on Amazon US totaled 448,000 units in July 2026 (▼ 13.7% vs. the prior month), generating an estimated $6,822,630 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 42.4% of unit volume and 45.9% of revenue, while a typical listing is priced at $15.29. The keyword itself pulled 119,072 Amazon queries over the same period (▲ 8.9% MoM).
Zooming out to the 12-month window ending July 2026, the b12 vitamins Top 50 moved 5,068,400 units and $73,183,472 in cumulative sales — an average of 422,367 units and $6,098,623 per month. Monthly throughput topped out at 519,000 units in June 2026 and dipped to 272,000 in May 2026, leaving the latest reading 4.2% higher than August 2025.
B12 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
448K
▼ 13.7% MoM
Monthly Revenue 2026/07
$6.8M
▼ 9.8% MoM
Top 10 Market Share 2026/07
42.4%
B12 Vitamins Market Share & Sales Concentration on Amazon US — July 2026
The most-sold b12 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 11.2% of every unit tracked in this report and 25% ahead of the No. 2 listing.
The Top 10 ASINs account for 190,000 units and $3,133,300 in July 2026 — 42.4% of unit volume and 45.9% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'B12 Vitamins' on Amazon
July 2026
Is 42.4% 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
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
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
B0058HX9GC
Pure Encapsulations B12 Folate, 60 Capsules | Energy Supplement to Support Nerves, Energy Metabolism and Cognitive Function Support*, with Vitamin B Folate as Metafolin
10K
▲ 0.0%vs. prior month
$225K
latest month
12-month trend
B005DXM32M
Nature 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
10K
▲ 0.0%vs. prior month
$118.9K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best B12 Vitamins Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Nature Made is the best-performing b12 vitamins brand in July 2026, moving 60,000 units across 3 ASINs for 31.6% of Top 10 volume. Nature's Bounty follows with 50,000 units (26.3%), ahead of THORNE on 30,000 units (15.8%).
With 7 brands splitting the Top 10 and 73.7% 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 $9.12 to $25.00, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Nature Made
3 ASINs in Top 10
31.6%
Units
60K
Revenue
$874.6K
Avg. price
$13.23
B00DS5BGDY
$17.48·★4.7·45.5K 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·★4.7·14.6K 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
26.3%
Units
50K
Revenue
$467K
Avg. price
$9.12
B00DYSUQR2
$9.12·★4.7·77.1K revsNature's Bounty Vitamin B12 1000 mcg Supplements, Supports Energy Metabolism, 200 Ct
Units sold50K
THORNE
2 ASINs in Top 10
15.8%
Units
30K
Revenue
$736.2K
Avg. price
$25.00
B002BKW1YA
$24.00·★4.8·3.9K revsTHORNE Vitamin B12 1,000 mcg, Active Methylcobalamin, 60 Capsules | Supports Methylation, Heart & Nerve Health, Cognitive Function & Healthy Homocysteine Levels*, NSF Contents Certified
Units sold20KB0797JXKL9
$26.00·★4.7·4.3K revsTHORNE B-Complex #12, 8 Active B Vitamins & Choline, 60 Capsules | Supports Cellular Energy Production, Red Blood Cell Formation & Healthy Nervous System*, Gluten-Free, NSF Contents Certified
Units sold10K
Trending B12 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, 3 ASINs forced its way in: B00NV5UTIE booked 10K units at $19.50, 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.
B00NV5UTIE
EZ Melts Dissolvable B12 Methylcobalamin 2,500 mcg, 90 Tablets, Red Cherry | Vitamin B12 for Energy & Immune Support, Sublingual Tablets, Non-GMO, Vegan & Gluten-Free
Price
$19.50
Rating
4.7
Reviews
16.2K
Latest month sales
B01IQB2UYS
Nutricost Vitamin B12 (Methylcobalamin) 2000mcg, 240 Capsules, Gluten Free | Vegetarian Caps, GMO-Free, B12 Supplement
Price
$14.95
Rating
4.7
Reviews
10.2K
Latest month sales
B0797JXKL9
THORNE B-Complex #12, 8 Active B Vitamins & Choline, 60 Capsules | Supports Cellular Energy Production, Red Blood Cell Formation & Healthy Nervous System*, Gluten-Free, NSF Contents Certified
Unlock to view ASIN details and product titles
Price
$26.00
Rating
4.7
Reviews
4.3K
Latest month sales
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