In case you enter a discount code during checkout that doesn't exist or isn't currently active, then you can see the message: “Unable to find a valid discount matching the code entered”.

To use the onmolecule coupons on their website, you need to meet the conditions:

•  The items you choose must meet all coupon requirements as explained in the Terms and Conditions.

• The coupon has not expired. 

• The seller uses the onmolecule checkout system or a customized checkout system that accepts the coupon.

Yes, you must have a valid onmolecule account in order to buy an item at the onmolecule site and use your coupon. During the process of buying an item on our site, you can use your onmolecule account to see more of our services.

Normally, most of the websites you can print the grocery coupons from only work on a computer, even you can get coupon books mailed to your home for free. But it completely depends on onmolecule's support program at the time you search, so please visit the onmolecule site to know more details.

Yes. Coupons for each Discount Event of onmolecule will be collected here while being updated day by day. Sometimes, there will be deals not updated promptly but it's rare, we expect sympathy from you.