One A Day
One A Day sells an estimated 141K units/mo on Amazon (~$2.8M/mo est. revenue) across 13 products. It ranks #110 of 3,479 supplement brands by score and #153 by est. revenue, peaking at #6 in Prenatal Vitamins.
Categories Ranked in 5 Best Sellers lists · best position shown
One A Day products on Amazon Best Sellers Sorted by est. revenue/mo
Ranks as of October 15, 2026. As an Amazon Associate SuppRanked earns from qualifying purchases.
≈* List price not shown on Amazon for 1 product; revenue uses the median price of the brand's other products (or the category).
Competitors & comparisons
Top rivals in Multivitamins
- MaryRuth's · $2.6M/mo est.
- Olly · $2.1M/mo est.
- THORNE · $2M/mo est.
- SmartyPants · $1.2M/mo est.
- Garden of Life · $1.1M/mo est.
- Ritual · $955K/mo est.
One A Day comparisons
Brands ranked near One A Day
- #106 Dymatize · $4.9M/mo est.
- #107 Culturelle · $3.1M/mo est.
- #108 Herbsforever · $1.3M/mo est.
- #109 Pure Protein · $3M/mo est.
- #111 Gruns · $11.9M/mo est.
- #112 Dr. Mercola · $3.1M/mo est.
- #113 Benefiber · $1.9M/mo est.
- #114 Planetary Herbals · $1.9M/mo est.
Top 10 lists featuring One A Day
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