SuppRankedVitamin C market on Amazon
Vitamin C products on Amazon bring in an estimated $13.1M/mo (~710K units) across the 94 products from 49 brands we track. Emergen-C leads with about 22% of estimated sales and the top 3 brands hold 38%, a moderately concentrated market.
Brand share Share of est. revenue · top 10
Track the Vitamin C market
Weekly brand ranks and changes, or every brand as a CSV.
Vitamin C brand leaderboard By est. revenue/mo
Plus 19 more brands. Full list for every brand: SuppRanked Data.
Rising brands Overall rank, like-for-like vs the previous day · how
Top Vitamin C products By est. revenue/mo
As an Amazon Associate SuppRanked earns from qualifying purchases.
Vitamin C market FAQ
How big is the Vitamin C market on Amazon?
About $13.1M a month in estimated Amazon.com sales at list price (~710K units), summed across the 94 Vitamin C 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 C market on Amazon?
Emergen-C leads with about 22% of estimated sales (~$2.9M/mo). The top 3 (Emergen-C, Nature Made, Airborne) hold about 38% and the top 10 about 63%.
How many Vitamin C brands sell on Amazon?
We count 49 identified brands with at least one Vitamin C product in the lists we track, as of October 16, 2026. A product counts when its title names Vitamin C as its main ingredient or form; see the methodology.
Updated October 16, 2026. A product counts when its title names Vitamin C as its main ingredient or form; a product can count in more than one market. Methodology · All 60 markets