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Shipping Policy

Always Free Shipping within the U.S.

Syn-flex America, Inc. uses the United States Postal Service Priority Mail and UPS for its shipping needs.


Syn-flex America ships Priority Mail and UPS within the United States and USPS Priority Mail International, UPS, and DHL for international orders.


All Packages are carefully wrapped and sent, however if you receive your order and it is damaged please email or call our customer service department at 800-796-0142 and in most cases a new bottle(s) will be shipped back out to you that same day.


Syn-flex America, Inc. carefully inspects each package before leaving our shipping department. However, if you do happen to receive an incorrect order, please email or call our customer service department at 800-796-0142 and we will be more than happy to work with you to correct the situation.


Syn-flex America, Inc. provides FREE PRIORITY MAIL SHIPPING and UPS SHIPPING within the United States. International shipping costs will be displayed within the order process.


Orders received before 9:00am EST are shipped the same day.


*Due to Customs regulations, we do not ship our Synflex For Pets Beef Flavor out of the US.


Return Policy & Guarantee: If you do not feel a positive impact on your osteoarthritis within the use of 3 - 8oz. bottles, just send the remaining portion (even the empty bottles) back to us for a full and prompt refund.


If using Syn-flex® with your pet, you should see a positive impact in your pet after 3 - 8oz. bottles. If not, send it back to us and we will issue a full and prompt refund.