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

Frequently Asked Questions

What forms of payment does One A Day accept?
You can check out with the following forms of payment: Visa, Mastercard, American Express, Discover, and Diners Club. You can also use Apple Pay or Google Pay.
I received an error message at checkout. What do I do now?
We’re here to help. Reach out to us with a specific request, and we’ll do our best to accommodate. You can reach us at customercare@oneaday.com or 800-800-4793.
What shipping options are available?
We are working closely with our external partners and carriers to ensure your One A Day product(s) can reach you as quickly as possible. Estimated Shipping Time: Standard: 3-5 business days shipping, Expedited: 2 business days shipping. Shipping costs are calculated upon checkout. Standard shipping is free on orders of $35 or more.
What’s with the Amazon box/envelope?
At One A Day, we strive to provide you with the best experience possible, and that includes getting our products to you quickly. To do that, we take advantage of Amazon’s wide distribution network, so keep an eye out for their familiar packaging – it’ll have your One A Day product(s) inside!
When will my card be charged?
Your credit card will be charged when your order is confirmed.
How do I track my order?
Thank you for entrusting us with your family’s health. To put your mind at ease that we’re working on your order and it’s going to get to you quickly, you can expect the following from us:

A Confirmation Email. We’ll send you one once your order has been placed and we’re working to process it.

A Shipping Confirmation Email. You’ll get this once your order has departed the warehouse. It’ll provide a link to tracking details. If you do not receive this email, be sure to check your spam folder. If your tracking number says that it was delivered, we’ve found that, more often than not, the package is either about to be delivered, or it is already in the building or with a neighbor. You can also find your tracking number by referencing the View Order link in your email or on your account dashboard if you created an account. If you can’t locate your order, contact us at customercare@oneaday.com and we’ll take care of you.
Why should I register/sign up for a One A Day online account?
We recommend creating an account so it's easier to view your order information and shipment tracking details and be able to check out faster and easier in the future.
What is your return policy?
Our first priority is your happiness. If for any reason you are not satisfied with a One A Day product you purchased from us or one of our authorized sellers, you may request a refund or replacement product. Please see our return/refund instructions.
Can I cancel my order?
Once your order is placed it cannot be changed or canceled. If you need immediate assistance, please contact our Customer Care Team by calling 800-800-4793, M-F, 8am to 8pm ET.
Do you ship to PO Boxes?
Sorry, we don’t ship to PO Boxes. We use a variety of shipping companies, and they are not able to deliver to a PO Box.
Do you ship to Canada/internationally?
We do not ship internationally at this time.
Can I combine discount codes?
We are unable to combine multiple discount codes on the same order.
Do you offer a subscription service?
We do not offer subscription services at this time.
What is typical order processing time?
Orders are processed the next business day after receipt and will ship out Monday through Saturday (Holidays excluded). If you have questions about your order, please contact our Customer Care Team by calling 800-800-4793.