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  2. Health & Beauty > 
  3. Dieting & Weight Loss > 
  4. Diet Supplements > 
  5. One-A-Day Promo Codes
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One-A-Day's activity feed

About One-A-Day

One-A-Day is a popular diet supplements retailer which operates the website oneaday.com. As of today, we have 1 active One-A-Day third-party deal. The Dealspotr community last updated this page on November 18, 2018. On average, we launch 6 new One-A-Day promo codes or coupons each month, with an average discount of 13% off and an average time to expiration of 9 days.

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How to use One-A-Day promo codes

  1. Go to oneaday.com then select the items you wish to purchase and add them to your shopping cart.
  2. Find a promo code on this page. Click to open the code, then click "copy" to copy the coupon code to your clipboard.
  3. Go back to oneaday.com and proceed to checkout. Look for the box labeled "Enter promo code" and paste your promo code in that box.
  4. Once you apply the promo code, your savings should be applied, and you can complete checkout.

Promo code didn't work? Read these expert tips.

  • One-A-Day offers promo codes often. On average, One-A-Day offers 6 codes or coupons per month. Check this page often, or follow One-A-Day (hit the follow button up top) to keep updated on their latest discount codes.
  • Check for One-A-Day's promo code exclusions. One-A-Day promo codes sometimes have exceptions on certain categories or brands.
  • Look for the blue "site-wide" label for site-wide One-A-Day promo codes. Site-wide codes can be applied to any item on One-A-Day's website, and therefore are the most useful codes.
  • Read our expert guide to finding promo codes for stores that rarely offer them.

One-A-Day Promo Codes & Coupons

Dealspotr has 4x More Working Promo Codes than RetailMeNot or Honey

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Amazon promo codes
Expert Pick

Get up to 70% Off One-A-Day Items at Amazon (Free 2-Day Shipping w/ Prime)

4 Expert Picks for One-A-Day

Walmart promo codes
Expert Pick

Get up to 25% Off One-A-Day at Walmart (Free 2-Day Shipping on Orders $35+)

eBay promo codes
Expert Pick

SALE: 50% Off One-A-Day at eBay

Last used
Groupon promo codes
Expert Pick

Get up to 75% Off One-A-Day Diet Supplements at Groupon

1 Magic Code for One-A-Day

Dollar General promo codes
Magic Code

Save $10 Off on Orders Over $100 at Dollar General

1 Shopping Hack for One-A-Day

Deal
Shopping Hack

Find Today's Coupons & Offers for One-A-Day on Their Website