What is your return policy?


KOS 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, we’ll give you a full refund*.

Just let us know within 60 days of receiving your delivery.

Simply follow these easy steps:

1. Tell us on this form which items you would like to return.

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

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

*Full refund means the total amount you paid for your product. The customer is responsible for return shipping.

**Repeated refund requests from the same customer are not allowed. (1 bag/bottle of each flavor is allowed)

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


If you receive a damaged or defective item, contact KOS Customer Care within 30 days of delivery at 1-833-344-4567.

Please supply the Team Member with your order number and item name from your original confirmation e-mail. The Care Team Member will also need your e-mail address and phone number.

The KOS Care team will make every reasonable effort to replace the item in a timely manner. We cover shipping charges if there was damage to the item due to shipping.

If there is extensive damage to the packaging, contact Customer Care immediately at 1-833-344-4567. Please have your order number available when you contact the Customer Care Team Member.


Our Standard Return policies do not apply to all items. Below are items that cannot be returned and cannot be refunded:

  • Contest winnings
  • Promotional & Discounted Items.
  • All third-party retail brick-and-mortar or online purchases of KOS Products (except for purchases from KOS.com directly) must be returned to the retail location or online store from which they were originally purchased for a refund.  
  • KOS withholds the right to refuse excessive return order requests.
  • KOS Replacement orders

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