SuppRankedVitamin D3 + K2 market on Amazon
Vitamin D3 + K2 products on Amazon bring in an estimated $18.3M/mo (~826K units) across the 97 products from 65 brands we track. Sports Research leads with about 22% of estimated sales and the top 3 brands hold 39%, a moderately concentrated market.
Brand share Share of est. revenue · top 10
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Vitamin D3 + K2 brand leaderboard By est. revenue/mo
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Vitamin D3 + K2 market FAQ
How big is the Vitamin D3 + K2 market on Amazon?
About $18.3M a month in estimated Amazon.com sales at list price (~826K units), summed across the 97 Vitamin D3 + K2 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 D3 + K2 market on Amazon?
Sports Research leads with about 22% of estimated sales (~$4.1M/mo). The top 3 (Sports Research, Pure Encapsulations, Micro Ingredients) hold about 39% and the top 10 about 64%.
How many Vitamin D3 + K2 brands sell on Amazon?
We count 65 identified brands with at least one Vitamin D3 + K2 product in the lists we track, as of October 18, 2026. A product counts when its title names Vitamin D3 + K2 as its main ingredient or form; see the methodology.
Updated October 18, 2026. A product counts when its title names Vitamin D3 + K2 as its main ingredient or form; a product can count in more than one market. Methodology · All 60 markets