One A Day
One A Day is Bayer’s multivitamin line, sold in pretty much every drugstore in America. The men’s formula is a single tablet a day. That simplicity is exactly why it’s one of the most-reviewed men’s multivitamins on Amazon.
The Lineup
One A Day Men’s Multivitamin
One tablet a day, 19 essential nutrients, and 58K+ Amazon ratings.
All One A Day Reviews
The 10 Best Men's Multivitamins of 2026, From One-Pill Basics to Gym-Bro Pill Packs
Your diet is 40% protein shakes and 60% whatever was in the drive-thru. A multivitamin won't fix that, but it can help fill the gaps. Here are the 10 best men's multis.
Why One A Day Men's Multivitamin Is a Must-Have for Guys Who Can't Be Bothered
One tablet. Nineteen nutrients. Roughly the price of a burrito. Here's why One A Day Men's is the lowest-effort upgrade in your bathroom cabinet.
One A Day Men's vs Opti-Men: Which Men's Multivitamin Should You Buy?
The one-pill pharmacy classic versus the 75-ingredient gym-bag favorite. We compared doses, pill counts, ingredients and price to find the better men's multi for you.