Skip to content

Continue shopping

Your Order

You have no items in your cart

Product promo in cart drawer

Unlock your full potential

Free ground shipping on orders over $35 in the contiguous U.S.

Age Factor™
Biological Age Test
Wellness App
Shop Supplements
Shop Multivitamins

Search results

Back to the top

Sign up for the latest news and promotions from One A Day

By clicking Subscribe, you agree to receive the latest information, special offers, promotions and product news from or on behalf of Bayer’s U.S. Consumer Health Division. For more details on how Bayer handles your personal data, please read our Privacy Statement.

Why One A Day®
FAQ
Contact Us

Conditions of Use
Privacy Statement
Health Data Privacy Statement
Do not sell or share my personal information

*This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Copyright © 2026. All rights reserved. Unless otherwise indicated, all trademarks are owned by Bayer, and its affiliates, or licensed for its use.

Man standing on mountaintop hiking trail overlooking valley

Sign up for the latest from One A Day

Sign up to receive the latest promotions, products and sales from One A Day directly to your inbox.

Search

By clicking Subscribe, you agree to receive the latest information, special offers, promotions and product news from or on behalf of Bayer’s U.S. Consumer Health Division. For more details on how Bayer handles your personal data, please read our Privacy Statement.