Our Satisfaction Guarantee


Try KOS completely risk-free!

We believe strongly in the value and integrity of KOS and take full responsibility for your satisfaction.

If you don’t absolutely love it for any reason, just let us know within 30 Days of receiving your delivery.

Simply follow these easy steps:

1. Tell us on this form that you’d like a refund, and how many open / un-open products you’ll be returning (1 bag/bottle of each flavor is allowed).

2. We will email you the address where you can return your bag/bottle(s).

3. Place the bag/bottles(s) in a box and mail it to us.

4. We will initiate your refund within 48 hours of receiving your package.

Can I get a refund even if it’s not my first purchase?

You might have a legitimate reason to request a refund, even if it’s not your first time ordering. Use the same form to let us know what went wrong and we’ll do our best to make it right.

*Full refund means the total amount you paid for up to 1 bag/bottle + shipping + sales tax. Customer is responsible for return shipping.

**Repeated refund requests from the same customer are not allowed.

***This refund policy applies to orders placed on kos.com only and it is subject to change without notice.

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