SuppRankedVitamin B12 market on Amazon
Vitamin B12 products on Amazon bring in an estimated $9.8M/mo (~625K units) across the 89 products from 41 brands we track. Nature Made leads with about 22% of estimated sales and the top 3 brands hold 38%, a moderately concentrated market.
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Vitamin B12 market FAQ
How big is the Vitamin B12 market on Amazon?
About $9.8M a month in estimated Amazon.com sales at list price (~625K units), summed across the 89 Vitamin B12 products SuppRanked tracks in Amazon's supplement Best Sellers lists. Products outside those lists are not counted, so treat it as a floor and an order-of-magnitude figure. These are SuppRanked's modeled estimates from public Amazon Best Sellers ranks and list prices (October 18, 2026), not official Amazon sales data.
Which brands lead the Vitamin B12 market on Amazon?
Nature Made leads with about 22% of estimated sales (~$2.1M/mo). The top 3 (Nature Made, Pure Encapsulations, Nature's Bounty) hold about 38% and the top 10 about 71%.
How many Vitamin B12 brands sell on Amazon?
We count 41 identified brands with at least one Vitamin B12 product in the lists we track, as of October 18, 2026. A product counts when its title names Vitamin B12 as its main ingredient or form; see the methodology.
Updated October 18, 2026. A product counts when its title names Vitamin B12 as its main ingredient or form; a product can count in more than one market. Methodology · All 60 markets