Uploaded July 2018 | Updated September 2026, 59 minutes ago

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One A Day
Product type Multivitamins
Owner Bayer
Country U.S.
Introduced 1940
Markets Worldwide
Previous owners Miles Laboratories
Website oneaday.com
One A Day (sometimes referred to as One-A-Day) is a product family of multivitamins produced by the Bayer corporation. Introduced in 1940, One A Day was originally developed by Miles Laboratories.[1][2] Bayer currently markets fifteen products in the One A Day line, listed below:

Cholesterol Plus
Energy
Energy Advantage2O
Essential
Maximum
Men's Health
Men's 50+ Advantage
Teen Advantage
VitaCraves Gummies
Women's
Women's2O
Women's 50+ Advantage
Women's Active Metabolism
Women's Active Mind & Body
Women's Prenatal