SuppRankedVitamin D3 market on Amazon
Vitamin D3 products on Amazon bring in an estimated $29.3M/mo (~1.6M units) across the 174 products from 85 brands we track. Sports Research leads with about 15% of estimated sales and the top 3 brands hold 37%, a moderately concentrated market.
Brand share Share of est. revenue · top 10
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Vitamin D3 brand leaderboard By est. revenue/mo
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Top Vitamin D3 products By est. revenue/mo
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Vitamin D3 market FAQ
How big is the Vitamin D3 market on Amazon?
About $29.3M a month in estimated Amazon.com sales at list price (~1.6M units), summed across the 174 Vitamin D3 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 16, 2026), not official Amazon sales data.
Which brands lead the Vitamin D3 market on Amazon?
Sports Research leads with about 15% of estimated sales (~$4.3M/mo). The top 3 (Sports Research, Nature Made, Pure Encapsulations) hold about 37% and the top 10 about 61%.
How many Vitamin D3 brands sell on Amazon?
We count 85 identified brands with at least one Vitamin D3 product in the lists we track, as of October 16, 2026. A product counts when its title names Vitamin D3 as its main ingredient or form; see the methodology.
Updated October 16, 2026. A product counts when its title names Vitamin D3 as its main ingredient or form; a product can count in more than one market. Methodology · All 60 markets